Do you need to know, when is the best time to go to Aruba? Then you should take a look here, what weather you can expect there during the year.
The climate of Aruba is tropical marine, you can expect only little seasonal variation of temperature. There is rainy season between October and December, but it is complicated to predict the amount of rain. The amount of rain may be very low.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Noord, Oranjestad, Palm Beach, Savaneta.
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 September, the average maximum temperature is 33.6 ℃ (92.48 ℉). The average minimum temperature in this month is 27.4 ℃ (81.32 ℉). The coldest month here is December, the average maximum temperature is 29.9 ℃ (85.82 ℉). The average minimum temperature in this month is 25.4 ℃ (77.72 ℉). The most rainy month here is December, the average number of rainy days is 11.1. The least rainy month here is March, the average number of rainy days is 1.8. 
Typical (usual) weather in Aruba in January is this: The average highest temperature in Aruba in January is 30.8 ℃ (87.44 ℉). The average lowest temperature is 24.3 ℃ (75.74 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 30.35 ℃ (86.63 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). The average number of rainy days in January is 8.6. The average rainfall is 39.4 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 11:24 (hours and minutes), in the middle of the month 11:28 and at the end of the month 11:34.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in February is this: The average highest temperature in Aruba in February is 30.5 ℃ (86.9 ℉). The average lowest temperature is 24.4 ℃ (75.92 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 31.15 ℃ (88.07 ℉). The average number of rainy days in February is 5. The average rainfall is 20.3 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 11:34 (hours and minutes), in the middle of the month 11:43 and at the end of the month 11:53.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in March is this: The average highest temperature in Aruba in March is 31.8 ℃ (89.24 ℉). The average lowest temperature is 25 ℃ (77 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 31.15 ℃ (88.07 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). The average number of rainy days in March is 1.8. The average rainfall is 8.9 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 11:53 (hours and minutes), in the middle of the month 12:03 and at the end of the month 12:14.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in April is this: The average highest temperature in Aruba in April is 31.2 ℃ (88.16 ℉). The average lowest temperature is 25.9 ℃ (78.62 ℉). At the beginning of April you can expect higher temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 31.8 ℃ (89.24 ℉). The average number of rainy days in April is 1.9. The average rainfall is 11.9 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 12:14 (hours and minutes), in the middle of the month 12:24 and at the end of the month 12:34.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in May is this: The average highest temperature in Aruba in May is 32.4 ℃ (90.32 ℉). The average lowest temperature is 26.1 ℃ (78.98 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 31.8 ℃ (89.24 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 32.55 ℃ (90.59 ℉). The average number of rainy days in May is 2.2. The average rainfall is 16 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 12:34 (hours and minutes), in the middle of the month 12:42 and at the end of the month 12:48.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in June is this: The average highest temperature in Aruba in June is 32.7 ℃ (90.86 ℉). The average lowest temperature is 26.8 ℃ (80.24 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 32.55 ℃ (90.59 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). The average number of rainy days in June is 2.8. The average rainfall is 18.3 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 12:48 (hours and minutes), in the middle of the month 12:51 and at the end of the month 12:51.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in July is this: The average highest temperature in Aruba in July is 31.6 ℃ (88.88 ℉). The average lowest temperature is 27.2 ℃ (80.96 ℉). At the beginning of July you can expect higher temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 32.2 ℃ (89.96 ℉). The average number of rainy days in July is 4.9. The average rainfall is 31 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 12:51 (hours and minutes), in the middle of the month 12:47 and at the end of the month 12:41.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in August is this: The average highest temperature in Aruba in August is 32.8 ℃ (91.04 ℉). The average lowest temperature is 27.4 ℃ (81.32 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 32.2 ℃ (89.96 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 33.2 ℃ (91.76 ℉). The average number of rainy days in August is 4.4. The average rainfall is 26.4 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 12:41 (hours and minutes), in the middle of the month 12:33 and at the end of the month 12:24.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in September is this: The average highest temperature in Aruba in September is 33.6 ℃ (92.48 ℉). The average lowest temperature is 27.4 ℃ (81.32 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 33.2 ℃ (91.76 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 33.3 ℃ (91.94 ℉). The average number of rainy days in September is 3.9. The average rainfall is 45.1 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 12:24 (hours and minutes), in the middle of the month 12:14 and at the end of the month 12:03.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in October is this: The average highest temperature in Aruba in October is 33 ℃ (91.4 ℉). The average lowest temperature is 27 ℃ (80.6 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 33.3 ℃ (91.94 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 32.3 ℃ (90.14 ℉). The average number of rainy days in October is 7.3. The average rainfall is 77.8 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 12:03 (hours and minutes), in the middle of the month 11:53 and at the end of the month 11:43.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in November is this: The average highest temperature in Aruba in November is 31.6 ℃ (88.88 ℉). The average lowest temperature is 25.7 ℃ (78.26 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 32.3 ℃ (90.14 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). The average number of rainy days in November is 10.8. The average rainfall is 92.5 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 11:43 (hours and minutes), in the middle of the month 11:35 and at the end of the month 11:28.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Aruba in December is this: The average highest temperature in Aruba in December is 29.9 ℃ (85.82 ℉). The average lowest temperature is 25.4 ℃ (77.72 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 30.35 ℃ (86.63 ℉). The average number of rainy days in December is 11.1. The average rainfall is 82 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 11:28 (hours and minutes), in the middle of the month 11:24 and at the end of the month 11:23.These numbers above are valid primarily for the capital and the area around it.| Curacao | temperature: - | highest temperature: - | lowest temperature: - | rainfall: 98.4mm | rainy days: 11.8 |
| Oranjestad | temperature: - | highest temperature: 29.9 ℃ (85.82 ℉) | lowest temperature: 25.4 ℃ (77.72 ℉) | rainfall: 82mm | rainy days: 11.1 |