Do you need to know, when is the best time to go to Estonia? Then you should take a look here, what weather you can expect there during the year.
The climate of Estonia is maritime, you can expect wet, moderate winters, and quite cool summers. But there is a differences between the climate of coastal areas and inland areas of Estonia, the inland has continental climate. Estonia has four seasons: summer, autumn, winter and spring.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Aruküla, East Estonia, Haapsalu, Hiiumaa, Jõhvi, Kaberneeme, Kabli, Karula National Park, Kihnu, Kuressaare, Käsmu, Lahemaa National Park, Laulasmaa, Matsalu National Park, Muhu, Mustvee, Narva, Narva Jõesuu, Noarootsi, North Estonia, Nõva, Otepää, Paldiski, Pärnu, Rakvere, Raplamaa, Ruhnu, Saaremaa, Sillamäe, Soomaa National Park, South Estonia, Tallinn, Tartu, Toila, Valga, Valgeranna, Viljandi, Vilsandi National Park, Vormsi, Võru, Võsu, West Estonia and Islands.
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 July, the average maximum temperature is 21 ℃ (69.8 ℉). The average minimum temperature in this month is 12.3 ℃ (54.14 ℉). The coldest month here is February, the average maximum temperature is -1.6 ℃ (29.12 ℉). The average minimum temperature in this month is -7.2 ℃ (19.04 ℉). The most rainy month here is November, the average number of rainy days is 14.2. The least rainy month here is May, the average number of rainy days is 7.2. 
Typical (usual) weather in Estonia in January is this: The average highest temperature in Estonia in January is -1.2 ℃ (29.84 ℉). The average lowest temperature is -6.3 ℃ (20.66 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around -0.35 ℃ (31.37 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around -1.4 ℃ (29.48 ℉). The average number of rainy days in January is 12.2. The average rainfall is 50.3 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 6:11 (hours and minutes), in the middle of the month 6:52 and at the end of the month 7:56.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in February is this: The average highest temperature in Estonia in February is -1.6 ℃ (29.12 ℉). The average lowest temperature is -7.2 ℃ (19.04 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around -1.4 ℃ (29.48 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 0.3 ℃ (32.54 ℉). The average number of rainy days in February is 8.9. The average rainfall is 33.6 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 7:56 (hours and minutes), in the middle of the month 9:11 and at the end of the month 10:30.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in March is this: The average highest temperature in Estonia in March is 2.2 ℃ (35.96 ℉). The average lowest temperature is -4.1 ℃ (24.62 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 0.3 ℃ (32.54 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 5.2 ℃ (41.36 ℉). The average number of rainy days in March is 9.2. The average rainfall is 35.4 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 10:30 (hours and minutes), in the middle of the month 11:50 and at the end of the month 13:10.These numbers above are valid primarily for the capital and the area around it.
Typical (usual) weather in Estonia in April is this: The average highest temperature in Estonia in April is 8.2 ℃ (46.76 ℉). The average lowest temperature is 0.3 ℃ (32.54 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 5.2 ℃ (41.36 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 11.55 ℃ (52.79 ℉). The average number of rainy days in April is 8. The average rainfall is 35.7 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 13:10 (hours and minutes), in the middle of the month 14:30 and at the end of the month 15:48.These numbers above are valid primarily for the capital and the area around it.
Typical (usual) weather in Estonia in May is this: The average highest temperature in Estonia in May is 14.9 ℃ (58.82 ℉). The average lowest temperature is 5.2 ℃ (41.36 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 11.55 ℃ (52.79 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 17 ℃ (62.6 ℉). The average number of rainy days in May is 7.2. The average rainfall is 35.9 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 15:48 (hours and minutes), in the middle of the month 17:00 and at the end of the month 18:00.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in June is this: The average highest temperature in Estonia in June is 19.1 ℃ (66.38 ℉). The average lowest temperature is 10 ℃ (50 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 17 ℃ (62.6 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 20.05 ℃ (68.09 ℉). The average number of rainy days in June is 9. The average rainfall is 59.3 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 18:00 (hours and minutes), in the middle of the month 18:34 and at the end of the month 18:33.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in July is this: The average highest temperature in Estonia in July is 21 ℃ (69.8 ℉). The average lowest temperature is 12.3 ℃ (54.14 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 20.05 ℃ (68.09 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 20.7 ℃ (69.26 ℉). The average number of rainy days in July is 9.9. The average rainfall is 75.3 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 18:33 (hours and minutes), in the middle of the month 17:56 and at the end of the month 16:56.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in August is this: The average highest temperature in Estonia in August is 20.4 ℃ (68.72 ℉). The average lowest temperature is 11.5 ℃ (52.7 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 20.7 ℃ (69.26 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 17.45 ℃ (63.41 ℉). The average number of rainy days in August is 11.2. The average rainfall is 83.7 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 16:56 (hours and minutes), in the middle of the month 15:44 and at the end of the month 14:27.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in September is this: The average highest temperature in Estonia in September is 14.5 ℃ (58.1 ℉). The average lowest temperature is 7.4 ℃ (45.32 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 17.45 ℃ (63.41 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 11.95 ℃ (53.51 ℉). The average number of rainy days in September is 11.8. The average rainfall is 75.9 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 14:27 (hours and minutes), in the middle of the month 13:09 and at the end of the month 11:50.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in October is this: The average highest temperature in Estonia in October is 9.4 ℃ (48.92 ℉). The average lowest temperature is 3.5 ℃ (38.3 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 11.95 ℃ (53.51 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 6.4 ℃ (43.52 ℉). The average number of rainy days in October is 11.7. The average rainfall is 76.3 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 11:50 (hours and minutes), in the middle of the month 10:31 and at the end of the month 9:13.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in November is this: The average highest temperature in Estonia in November is 3.4 ℃ (38.12 ℉). The average lowest temperature is -1 ℃ (30.2 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 6.4 ℃ (43.52 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 1.95 ℃ (35.51 ℉). The average number of rainy days in November is 14.2. The average rainfall is 68.9 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 9:13 (hours and minutes), in the middle of the month 7:58 and at the end of the month 6:54.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Estonia in December is this: The average highest temperature in Estonia in December is 0.5 ℃ (32.9 ℉). The average lowest temperature is -4.3 ℃ (24.26 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 1.95 ℃ (35.51 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around -0.35 ℃ (31.37 ℉). The average number of rainy days in December is 13.7. The average rainfall is 61.6 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 6:54 (hours and minutes), in the middle of the month 6:12 and at the end of the month 6:04.These numbers above are valid primarily for the capital and the area around it.| Tallinn | temperature: - | highest temperature: 0.5 ℃ (32.9 ℉) | lowest temperature: -4.3 ℃ (24.26 ℉) | rainfall: 61.6mm | rainy days: 13.7 |
| Tartu | temperature: - | highest temperature: -0.8 ℃ (30.56 ℉) | lowest temperature: -5.5 ℃ (22.1 ℉) | rainfall: 45.6mm | rainy days: 11.1 |
| Parnu | temperature: - | highest temperature: 0.2 ℃ (32.36 ℉) | lowest temperature: -4.2 ℃ (24.44 ℉) | rainfall: 67.6mm | rainy days: 14.2 |