Tallinn Weather in May
In Tallinn, May brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 6°C (43°F). Some rainfall is to be expected.
Rainfall in Tallinn in May
Records from the past 30 years suggest around 11 days of rain, with 47 mm (1.9 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Tallinn in May
Tallinn in May gets highs of 15°C (59°F) during the day and drops to 6°C (43°F) at night. The difference between afternoon and evening temperatures is usually noticeable. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Tallinn in May
Expect sunny days throughout the month, with an estimated 308 hours of sunshine. This makes it a pleasant time to visit Tallinn.
Wind Speed in Tallinn in May
Wind speeds average 5 m/s (10 knots) during May. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Tallinn's climate page.
Tallinn Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
15°C (59°F)
Chance of Rain
37%
Precipitation
47 mm (1.9 in)
Rainy days
11 days
Humidity
69%
Windspeed
5 m/s (10 knots)
Sunshine
308 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tallinn typically rise from around 12°C (54°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Tallinn in May
Browse day-by-day weather records for Tallinn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tallinn historical weather extremes in May
Based on 50 years of weather observations in Tallinn between 1976 and 2026, these are the recorded extremes.
- Tallinn recorded its highest May temperature of 31°C (88°F) on May 19, 2014.
- The lowest daytime temperature in May was 3°C (37°F), recorded on May 3, 1981.
- The coldest night in May in Tallinn was on May 12, 1999, with a minimum of -5°C (23°F).
Best Places in Estonia in May
Find out more about the weather in Estonia and which places have the best travel conditions in this month. See all of Estonia in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Tallinn in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Tallinn in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Tallinn's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Tallinn climate overview or explore weather in Estonia.
