Weather in Tallinn for May 2025
In general, the average temperature in Tallinn at the beginning of May is 9.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19 °C by the end of May.
With an average of 3 rainy days, Tallinn experiences minimal rainfall in May.
Is May a good time to visit Tallinn? check out the best time to travel to Tallinn page.
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Tallinn in May average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2  12° | 3 11° | 4 8° | |||
| 5 8° | 6 8° | 7 9° | 8  9° | 9 12° | 10  13° | 11 14° |
| 12  15° | 13 15° | 14 18° | 15 19° | 16  16° | 17 15° | 18 15° |
| 19 18° | 20 17° | 21 17° | 22 18° | 23 20° | 24 22° | 25 19° |
| 26 18° | 27 19° | 28 20° | 29 19° | 30 18° | 31 20° |
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Temperatures trend during May in Tallinn
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Overcast | 11° /2° | 0.4 mm | 3 | |
| 2 May | Patchy rain possible | 12° /4° | 1.8 mm | 3 | |
| 3 May | Patchy rain possible | 11° /3° | 0.1 mm | 3 | |
| 4 May | Patchy rain possible | 8° /3° | 0.2 mm | 2 | |
| 5 May | Patchy rain possible | 8° /1° | 0.1 mm | 3 | |
| 6 May | Patchy rain possible | 8° /0° | 0.1 mm | 3 | |
| 7 May | Overcast | 9° /0° | 0 mm | 2 | |
| 8 May | Partly cloudy | 9° /0° | 0 mm | 4 | |
| 9 May | Overcast | 12° /1° | 0 mm | 3 | |
| 10 May | Cloudy | 13° /4° | 1.8 mm | 4 | |
| 11 May | Partly cloudy | 14° /4° | 0 mm | 5 | |
| 12 May | Sunny | 15° /4° | 0 mm | 5 | |
| 13 May | Sunny | 15° /6° | 0.1 mm | 4 | |
| 14 May | Sunny | 18° /7° | 0.2 mm | 5 | |
| 15 May | Patchy rain possible | 19° /7° | 0.2 mm | 5 | |
| 16 May | Heavy rain at times | 16° /9° | 4.3 mm | 4 | |
| 17 May | Overcast | 15° /7° | 0 mm | 4 | |
| 18 May | Partly cloudy | 15° /6° | 0 mm | 5 | |
| 19 May | Sunny | 18° /7° | 0 mm | 5 | |
| 20 May | Sunny | 17° /7° | 0 mm | 5 | |
| 21 May | Overcast | 17° /7° | 0 mm | 5 | |
| 22 May | Overcast | 18° /8° | 0.1 mm | 5 | |
| 23 May | Overcast | 20° /9° | 0 mm | 5 | |
| 24 May | Partly cloudy | 22° /11° | 0.3 mm | 6 | |
| 25 May | Patchy rain possible | 19° /11° | 2.6 mm | 5 | |
| 26 May | Patchy rain possible | 18° /10° | 0.9 mm | 4 | |
| 27 May | Patchy rain possible | 19° /10° | 0.2 mm | 5 | |
| 28 May | Overcast | 20° /9° | 0.3 mm | 5 | |
| 29 May | Overcast | 19° /10° | 1.4 mm | 5 | |
| 30 May | Patchy rain possible | 18° /9° | 2.1 mm | 4 | |
| 31 May | Partly cloudy | 20° /9° | 1.7 mm | 5 | |
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Guide for Tallinn in May
In May, Tallinn, Estonia experiences a transition from spring to early summer, with gradually warming temperatures and longer daylight hours.
At the beginning of the month, the weather in Tallinn is typically cool, with average daytime temperatures around 12° and nighttime temperatures dropping to around 5°.
Visitors can expect a mix of sunny days and occasional rainfall, so it's advisable to pack layers and a waterproof jacket when exploring the city.
By the end of May, the weather in Tallinn becomes noticeably warmer as the city enters the peak of spring. Daytime temperatures can reach around 17°, providing pleasant conditions for outdoor activities and sightseeing.
The evenings also become milder, with temperatures hovering around 9°, making it comfortable to enjoy al fresco dining or evening strolls through the charming streets of Tallinn's Old Town.
Overall, May is a delightful time to visit Tallinn, as the city emerges from the cooler spring weather and embraces the warmth of early summer.
Travelers can take advantage of the pleasant weather to explore the city's historical landmarks, parks, and waterfront areas, while also enjoying the blossoming flora throughout the city.
Tallinn in May - FAQ
What to pack to Tallinn in May?
As you prepare for your trip to Tallinn in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Tallinn, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
May rainfall patterns in Tallinn
UV exposure in Tallinn during May
Quick links
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