Estonia Tallinn Weather in May — Climate Guide
May in Tallinn is high
Tallinn Weather in May — Quick Answer
As of 2026- Avg temp
- 14° / 5°
- Rainfall
- 35mm · 8 days
- Crowds
- Busy
As of 2026, Tallinn in May averages a high of 14°C and low of 5°C with 35mm of rain over about 8 days. Spring. A jacket and knitwear.
May is high for Tallinn.
The best of spring.
Travel score
Tallinn May Weather Stats
Avg High
14°C
Avg Low
5°C
Rainy Days
8
35mm total
Sunshine
9h
Daily avg
Humidity
65%
comfortable
UV Index
4
Moderate
Wind
11 km/h
Gusts 28
Sea Temp
6°C
too cold to swim (chilly)
Crowds
Busy
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
6 μg/m³
PM10
12 μg/m³
Status
very good
Feels-Like Temperature & Wind
Feels like
Daytime
13°C
Nighttime
4°C
Humidity and wind affect how the actual temperature feels.
Wind
11 km/h
Max gust 28 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Pleasant weather (14/5°C)
- Peak bloom season
Cons
- Hotels rising
May Events & Festivals
- Peak bloom season
Tallinn in May — Full Picture
The best of spring.
What to Wear & What to Pack
Spring. A jacket and knitwear.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current8°C
0.7°C
7.7/mo
Summer (Jun·Jul·Aug)
20.7°C
11.3°C
10.7/mo
Autumn (Sep·Oct·Nov)
9.7°C
4°C
11.7/mo
Winter (Dec·Jan·Feb)
-1.7°C
-6.3°C
10.3/mo
Tallinn Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| -2° | -7° | 11d·50mm | 1h | 85% | 0 | Quiet | Low season | |
| -2° | -8° | 9d·35mm | 3h | 82% | 1 | Quiet | Low season | |
| 2° | -4° | 7d·30mm | 4h | 78% | 1 | Quiet | Shoulder | |
| 8° | 1° | 8d·35mm | 7h | 70% | 3 | Moderate | Shoulder | |
| 14° | 5° | 8d·35mm | 9h | 65% | 4 | Busy | Peak | |
| June (white nights begin) (Best) | 19° | 9° | 9d·50mm | 10h | 65% | 6 | Very busy | Peak |
| July (best of summer) (Best) | 22° | 13° | 11d·75mm | 9h | 70% | 6 | Very busy | Peak |
| August (end of summer) (Best) | 21° | 12° | 12d·85mm | 8h | 75% | 5 | Very busy | Peak |
| 16° | 8° | 11d·60mm | 6h | 80% | 3 | Moderate | Shoulder | |
| 9° | 4° | 12d·75mm | 3h | 85% | 1 | Quiet | Low season | |
| 4° | 0° | 12d·70mm | 1h | 88% | 0 | Quiet | Low season | |
| -1° | -4° | 11d·50mm | 1h | 88% | 0 | Busy | Peak |
View Other Months
Tallinn May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Tallinn?
Tallinn in May is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Tallinn in May?
Tallinn May averages a high of 14°C and a low of 5°C.
Does it rain much in Tallinn in May?
Tallinn May averages 35mm of rainfall over about 8 rainy days.
What should I wear in Tallinn in May?
Spring. A jacket and knitwear.
What time are sunrise and sunset in Tallinn in May?
Tallinn May sunrise is 04:50 and sunset is 21:30, with 16h 40min of daylight.
What's the air quality like in Tallinn in May?
Tallinn May air quality (AQI) averages 25, rated Good. PM2.5 averages 6μg/m³.
What activities are recommended in Tallinn in May?
In May, Tallinn is great for Old Town, Toompea Hill, Telliskivi.
Is May peak season in Tallinn?
Tallinn May crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Tallinn
View Other Months
Planning a May trip to Tallinn?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.