Best months
June, July, and August
Warmest month
July, 23°C
Wettest month
August, 92 mm
Tallinn weather by month
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | -1°C / -5°C | 60 mm · 8 days | Cold |
| February | -1°C / -5°C | 39 mm · 5 days | Cold |
| March | 4°C / -3°C | 35 mm · 5 days | Cold |
| April | 10°C / 1°C | 36 mm · 4 days | Cold |
| May | 16°C / 6°C | 34 mm · 4 days | Good |
| June | 20°C / 10°C | 62 mm · 6 days | Great |
| July | 23°C / 14°C | 78 mm · 7 days | Great |
| August | 21°C / 13°C | 92 mm · 8 days | Great |
| September | 17°C / 9°C | 64 mm · 7 days | Fair |
| October | 10°C / 4°C | 79 mm · 9 days | Cold |
| November | 5°C / 1°C | 66 mm · 8 days | Cold |
| December | 2°C / -2°C | 61 mm · 9 days | Cold |
Tallinn by season
Spring
Spring arrives slowly, with snow melting in April and nature bursting into life by May. Days become longer, and the city shakes off its winter coat.
- + Fewer tourists
- + Lower prices for accommodation
- + Beautiful blooming flowers in Kadriorg Park
- − Unpredictable weather (rain, chill)
- − Some outdoor attractions may not be fully open until May
Summer
The peak season with long, mild days (up to 19 hours of daylight in June) and a vibrant festival atmosphere. The city is lively and green.
- + Perfect weather for exploring (avg 20°C)
- + All attractions, parks, and terraces are open
- + Major festivals like Tallinn Music Week and Old Town Days
- − Highest prices and biggest crowds
- − Cruise ship tourists flood the Old Town
Autumn
A crisp, colorful season where golden leaves contrast with medieval stone. The air turns fresh, and the cultural calendar heats up.
- + Stunning autumn foliage, especially in parks
- + Shoulder-season prices return
- + Great for museum-hopping and cozy cafes
- − Days get shorter rapidly
- − Increasingly cold and rainy from October
Winter
A true winter wonderland, often covered in snow from December to March. Dark, cozy days are illuminated by Christmas markets and warm candlelight.
- + Magical Christmas Market on Town Hall Square
- + Opportunities for ice skating and winter sports
- + Authentic, cozy atmosphere in pubs and cafes
- − Very short daylight hours (as little as 6 hours)
- − Can be bitterly cold (avg -4°C, but can drop lower)
Tallinn month by month
Tallinn in January
ColdIn January, Tallinn averages highs of -1°C and lows of -5°C, with about 8 rainy days and 60 mm of rain. It is cold, so pack warm layers.
Tallinn in February
ColdIn February, Tallinn averages highs of -1°C and lows of -5°C, with about 5 rainy days and 39 mm of rain. It is cold, so pack warm layers.
Tallinn in March
ColdIn March, Tallinn averages highs of 4°C and lows of -3°C, with about 5 rainy days and 35 mm of rain. It is cold, so pack warm layers.
Tallinn in April
ColdIn April, Tallinn averages highs of 10°C and lows of 1°C, with about 4 rainy days and 36 mm of rain. It is cold, so pack warm layers.
Tallinn in May
GoodIn May, Tallinn averages highs of 16°C and lows of 6°C, with about 4 rainy days and 34 mm of rain. It is a good month to visit.
Tallinn in June
GreatIn June, Tallinn averages highs of 20°C and lows of 10°C, with about 6 rainy days and 62 mm of rain. It is one of the most comfortable months for sightseeing.
Tallinn in July
GreatIn July, Tallinn averages highs of 23°C and lows of 14°C, with about 7 rainy days and 78 mm of rain. It is one of the most comfortable months for sightseeing.
Tallinn in August
GreatIn August, Tallinn averages highs of 21°C and lows of 13°C, with about 8 rainy days and 92 mm of rain. It is one of the most comfortable months for sightseeing.
Tallinn in September
FairIn September, Tallinn averages highs of 17°C and lows of 9°C, with about 7 rainy days and 64 mm of rain. Expect mixed weather, with comfortable spells.
Tallinn in October
ColdIn October, Tallinn averages highs of 10°C and lows of 4°C, with about 9 rainy days and 79 mm of rain. It is cold, so pack warm layers.
Tallinn in November
ColdIn November, Tallinn averages highs of 5°C and lows of 1°C, with about 8 rainy days and 66 mm of rain. It is cold, so pack warm layers.
Tallinn in December
ColdIn December, Tallinn averages highs of 2°C and lows of -2°C, with about 9 rainy days and 61 mm of rain. It is cold, so pack warm layers.
Top tours and experiences in Tallinn
The tours and tickets travellers book most, with ratings and reviews from Viator.
All things to do in Tallinn →
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Plan your Tallinn trip
Best time to visit Tallinn: FAQ
What is the best month to visit Tallinn?+
June is the most comfortable month on average, with highs of 20°C. July and August are close behind.
What is the rainiest month in Tallinn?+
August is the wettest month, with about 92 mm of rain.
How hot does Tallinn get?+
July is the warmest month, with average highs of 23°C and lows of 14°C. The coldest nights come in January, averaging -5°C.
Averages for 2006–2025 from the TALLINN weather station (10 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.