Do you need to know, when is the best time to go to Uruguay? Then you should take a look here, what weather you can expect there during the year.
The climate of Uruguay is warm temperate. The climate can be also described as subtropical. There are some seasonal variations of wether, but extremes in temperature are quite rare. Quite common are high humidity and fog.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Artigas, Atlantic Coast, Bella Unión, Cabo Polonio, Carmelo, Central Interior, Cerro Colorado, Chuy, Colonia, Conchillas, Durazno, Florida, Fray Bentos, Fray Marcos, La Paloma, Maldonado, Melo, Mercedes, Minas, Montevideo, Northern Interior, Nueva Helvecia, Paysandú, Piriapolis, Punta del Diablo, Punta del Este, Rio de la Plata, Rivera, Rocha, Río Branco, Salto, Tacuarembó, Treinta y Tres, Trinidad, Veinticinco de Agosto.
Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is January, the average maximum temperature is 28.8 ℃ (83.84 ℉). The average minimum temperature in this month is 18.4 ℃ (65.12 ℉). The coldest month here is June, the average maximum temperature is 14.9 ℃ (58.82 ℉). The average minimum temperature in this month is 7.9 ℃ (46.22 ℉). The most rainy month here is October, the average number of rainy days is 10. The least rainy month here is January, the average number of rainy days is 7.9. 
When travelling to some places in Uruguay, always consider the altitude of the the place as well. The highest point here is Cerro Catedral (514 m) and the lowest point is Atlantic Ocean (0 m). So there are not big differences in altitudes in this country. But the altitude affects the weather even so. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Uruguay in January is this: The average highest temperature in Uruguay in January is 28.8 ℃ (83.84 ℉). The average lowest temperature is 18.4 ℃ (65.12 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 27.85 ℃ (82.13 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 28.4 ℃ (83.12 ℉). The average number of rainy days in January is 7.9. The average rainfall is 88 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:27 (hours and minutes), in the middle of the month 14:13 and at the end of the month 13:50.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.
Typical (usual) weather in Uruguay in February is this: The average highest temperature in Uruguay in February is 28 ℃ (82.4 ℉). The average lowest temperature is 18.4 ℃ (65.12 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around 28.4 ℃ (83.12 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 26.85 ℃ (80.33 ℉). The average number of rainy days in February is 8.1. The average rainfall is 100.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:50 (hours and minutes), in the middle of the month 13:22 and at the end of the month 12:50.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in March is this: The average highest temperature in Uruguay in March is 25.7 ℃ (78.26 ℉). The average lowest temperature is 16 ℃ (60.8 ℉). At the beginning of March you can expect higher temperatures, the average highest temperature is around 26.85 ℃ (80.33 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 23.8 ℃ (74.84 ℉). The average number of rainy days in March is 7.9. The average rainfall is 103.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:50 (hours and minutes), in the middle of the month 12:17 and at the end of the month 11:44.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.
Typical (usual) weather in Uruguay in April is this: The average highest temperature in Uruguay in April is 21.9 ℃ (71.42 ℉). The average lowest temperature is 13.3 ℃ (55.94 ℉). At the beginning of April you can expect higher temperatures, the average highest temperature is around 23.8 ℃ (74.84 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 20.45 ℃ (68.81 ℉). The average number of rainy days in April is 8. The average rainfall is 85.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:44 (hours and minutes), in the middle of the month 11:12 and at the end of the month 10:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in May is this: The average highest temperature in Uruguay in May is 19 ℃ (66.2 ℉). The average lowest temperature is 10.5 ℃ (50.9 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 20.45 ℃ (68.81 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 16.95 ℃ (62.51 ℉). The average number of rainy days in May is 9. The average rainfall is 89.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:43 (hours and minutes), in the middle of the month 10:18 and at the end of the month 9:59.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in June is this: The average highest temperature in Uruguay in June is 14.9 ℃ (58.82 ℉). The average lowest temperature is 7.9 ℃ (46.22 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 16.95 ℃ (62.51 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 15 ℃ (59 ℉). The average number of rainy days in June is 9.1. The average rainfall is 82.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:59 (hours and minutes), in the middle of the month 9:49 and at the end of the month 9:49.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in July is this: The average highest temperature in Uruguay in July is 15.1 ℃ (59.18 ℉). The average lowest temperature is 7.4 ℃ (45.32 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 15 ℃ (59 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 15.9 ℃ (60.62 ℉). The average number of rainy days in July is 9.9. The average rainfall is 87 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:49 (hours and minutes), in the middle of the month 10:00 and at the end of the month 10:19.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in August is this: The average highest temperature in Uruguay in August is 16.7 ℃ (62.06 ℉). The average lowest temperature is 8.1 ℃ (46.58 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 15.9 ℃ (60.62 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 17.45 ℃ (63.41 ℉). The average number of rainy days in August is 8.1. The average rainfall is 87.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:19 (hours and minutes), in the middle of the month 10:44 and at the end of the month 11:13.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in September is this: The average highest temperature in Uruguay in September is 18.2 ℃ (64.76 ℉). The average lowest temperature is 9.1 ℃ (48.38 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 17.45 ℃ (63.41 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 19.5 ℃ (67.1 ℉). The average number of rainy days in September is 8. The average rainfall is 94.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:13 (hours and minutes), in the middle of the month 11:45 and at the end of the month 12:17.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in October is this: The average highest temperature in Uruguay in October is 20.8 ℃ (69.44 ℉). The average lowest temperature is 11.9 ℃ (53.42 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 19.5 ℃ (67.1 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 22.3 ℃ (72.14 ℉). The average number of rainy days in October is 10. The average rainfall is 108.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:17 (hours and minutes), in the middle of the month 12:50 and at the end of the month 13:21.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in November is this: The average highest temperature in Uruguay in November is 23.8 ℃ (74.84 ℉). The average lowest temperature is 14.6 ℃ (58.28 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 22.3 ℃ (72.14 ℉). At the end of November you can expect higher temperatures, the average highest temperature is around 25.35 ℃ (77.63 ℉). The average number of rainy days in November is 9.1. The average rainfall is 89 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:21 (hours and minutes), in the middle of the month 13:50 and at the end of the month 14:13.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.Typical (usual) weather in Uruguay in December is this: The average highest temperature in Uruguay in December is 26.9 ℃ (80.42 ℉). The average lowest temperature is 16.8 ℃ (62.24 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 25.35 ℃ (77.63 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 27.85 ℃ (82.13 ℉). The average number of rainy days in December is 8. The average rainfall is 84.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:13 (hours and minutes), in the middle of the month 14:27 and at the end of the month 14:29.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes.| Montevideo | temperature: - | highest temperature: 26.9 ℃ (80.42 ℉) | lowest temperature: 16.8 ℃ (62.24 ℉) | rainfall: 84.3mm | rainy days: 8 |
| Punta Del Este | temperature: - | highest temperature: 23.9 ℃ (75.02 ℉) | lowest temperature: 16.9 ℃ (62.42 ℉) | rainfall: 68mm | rainy days: 8.1 |