AI-generatedTallinn at a glance
- Best time
- Jun – Aug
- Warmest month
- Jul · 21°
- Warmest sea
- Aug · 17.7°
- Sunshine a year
- 1,920 h
- Rain a year
- 641 mm
- Climate
- Continental
- Time zone
- UTC+2 / UTC+3
- Elevation
- 12 m
Climate in Tallinn
Tallinn has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 21 °C, while February is the coolest at −2 °C. With around 1,920 hours of sunshine a year, Tallinn is moderately sunny; July is the sunniest month with 10.1 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: June – August
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 6°
- Midday, 13:00: about 9°
- Afternoon, 16:00: about 9°
- Evening, 20:00: about 8°
- Night, 23:00: about 7°
07:5618:17
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:31–08:54 · evening 17:19–18:42
- Blue hour
- Morning 07:15–07:31 · evening 18:42–18:58
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Tallinn in October?
In October, Tallinn is cold: daytime highs average 9 °C, and nights cool down to about 6 °C. The sea averages 11.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 66 mm in total. All in all, October is not an ideal month for a holiday in Tallinn.
More details for October
- Daylight
- 10 h 20 min07:56 – 18:17
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Tallinn
How the score comes together
- Temperatureweight 50 %11 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Warm jacket
- Rain jacket or umbrella
Sea temperature in Tallinn
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 9.7 – 12.1 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Tallinn ranges from 0.9 °C in March to 17.7 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 17.0 and 18.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 2.3° | 0.7° | 4.0° | cold |
| FebruaryFeb | 1.0° | −0.1° | 1.8° | cold |
| MarchMar | 0.9° | 0.0° | 1.6° | cold |
| AprilApr | 2.5° | 1.5° | 3.5° | cold |
| MayMay | 6.5° | 5.3° | 7.6° | cold |
| JuneJun | 12.2° | 10.6° | 13.9° | cold |
| JulyJul | 16.9° | 15.2° | 18.6° | cold |
| AugustAug | 17.7° | 17.0° | 18.9° | fresh |
| SeptemberSep | 15.0° | 13.9° | 15.9° | cold |
| OctoberOct | 11.0° | 9.7° | 12.1° | cold |
| NovemberNov | 7.6° | 5.9° | 9.1° | cold |
| DecemberDec | 4.7° | 3.4° | 6.2° | cold |
Sunshine hours in Tallinn
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 2.8 of 10.3 hours of daylight in Tallinn, 27 % of the day.
Sunshine hours: measured at the weather station 10 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Tallinn
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 6).
Minutes until sunburn in October
- Very fair skin
- over 2 h
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Tallinn: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Tallinn has about 13 rainy days with 66 mm of rain in total.
Wind and clouds in Tallinn
How breezy and how cloudy Tallinn is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Tallinn typically peaks at 24 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Sep – Jun.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 75 % of the sky over Tallinn: mostly cloudy, with about 2.8 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Snow in Tallinn
When Tallinn is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, Tallinn has about 1 days with at least 1 cm of fresh snow, 2 cm in total. The chance of seeing snow during a week's stay is 7 out of 100: hardly any.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Tallinn
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 6°. The room should be heated.
The coolest nights are in February (−6°), the warmest in July (15°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from October to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 14 | −2° | −5° | 2.3° | 1.0 h | 12 | 45 |
| FebruaryFeb | 18 | −2° | −6° | 1.0° | 2.1 h | 10 | 37 |
| MarchMar | 27 | 2° | −3° | 0.9° | 4.8 h | 8 | 31 |
| AprilApr | 34 | 8° | 1° | 2.5° | 7.2 h | 9 | 37 |
| MayMay | 68 | 14° | 6° | 6.5° | 9.9 h | 8 | 41 |
| JuneJun | 85 | 18° | 12° | 12.2° | 9.8 h | 11 | 67 |
| JulyJul | 80 | 21° | 15° | 16.9° | 10.1 h | 13 | 76 |
| AugustAug | 77 | 20° | 15° | 17.7° | 8.2 h | 13 | 78 |
| SeptemberSep | 60 | 15° | 11° | 15.0° | 5.4 h | 11 | 59 |
| OctoberOct | 16 | 9° | 6° | 11.0° | 2.8 h | 13 | 66 |
| NovemberNov | 13 | 4° | 2° | 7.6° | 1.0 h | 12 | 53 |
| DecemberDec | 13 | 1° | −2° | 4.7° | 0.7 h | 12 | 51 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
59.44° N, 24.75° E · 12 m · Europe/Tallinn
Best time to visit Tallinn
The best time to visit Tallinn is from June to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 17.7 °C. For sightseeing, day trips and hiking, conditions are most comfortable in June and in September. Rain is most frequent from July to August and from October to December; the wettest month is August with 78 mm.
Tallinn through the seasons
How the weather changes over the seasons, with averages for each.
Tallinn in spring
Mar – May
Fair
- 2–14 °C by day
- Sea 3 °C
- 7 h of sun a day
- 25 rainy days in all
Tallinn in summer
Jun – Aug
Excellent
- 18–21 °C by day
- Sea 16 °C
- 9 h of sun a day
- 38 rainy days in all
Tallinn in autumn
Sep – Nov
Poor
- 4–15 °C by day
- Sea 11 °C
- 3 h of sun a day
- 36 rainy days in all
Tallinn in winter
Dec – Feb
Poor
- -2–1 °C by day
- Sea 3 °C
- 1 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Tallinn for you.
Your best months: July
Based on the climate averages; tap a month to see its details.
Compare two months in Tallinn
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Tallinn: score 85 against 16. In June, days are 9 °C warmer than in October. The sea is 1 °C warmer in June. June has 2 fewer rainy days. The sun shines 7 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 16 | 85better |
| Day high | 9° | 18° |
| Night low | 6° | 12° |
| Sea | 11.0° | 12.2° |
| Sunshine | 2.8 h | 9.8 hbetter |
| Rainy days | 13 | 11better |
| Rainfall | 66 mm | 67 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun, Sep
15–28 °C and not too much rain
Rainy months
Jul – Aug, Oct – Dec
12 or more rainy days
Snow
Nov – Mar
Snow on 2 or more days
Tallinn month by month
The typical weather for every month at a glance.
14January-2° · Sea 2° · 1 h
In January, Tallinn is freezing cold: daytime highs average −2 °C, and nights often drop below freezing (−5 °C). The sea averages 2.3 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 12 days, totalling 45 mm. Snow falls on about 7 days. All in all, January is not an ideal month for a holiday in Tallinn.
Tallinn in January18February-2° · Sea 1° · 2 h
In February, Tallinn is freezing cold: daytime highs average −2 °C, and nights often drop below freezing (−6 °C). The sea averages 1.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 37 mm. Snow falls on about 6 days. All in all, February is not an ideal month for a holiday in Tallinn.
Tallinn in February27March2° · Sea 1° · 5 h
In March, Tallinn is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sea averages 0.9 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Precipitation, often as snow, falls on about 8 days, totalling 31 mm. Snow falls on about 4 days. All in all, March is not an ideal month for a holiday in Tallinn.
Tallinn in March34April8° · Sea 3° · 7 h
In April, Tallinn is cold: daytime highs average 8 °C, and nights cool down to about 1 °C. The sea averages 2.5 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 37 mm. Snow falls on about 2 days. All in all, April is not an ideal month for a holiday in Tallinn.
Tallinn in April68May14° · Sea 7° · 10 h
In May, Tallinn is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. The sea averages 6.5 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 41 mm. All in all, May is a good month for a holiday in Tallinn.
Tallinn in May85June18° · Sea 12° · 10 h
In June, Tallinn is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. The sea averages 12.2 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 11 rainy days and 67 mm in total. All in all, June is an excellent month for a holiday in Tallinn.
Tallinn in June80July21° · Sea 17° · 10 h
In July, Tallinn is warm: daytime highs average 21 °C, and nights cool down to about 15 °C. The sea averages 16.9 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, July is an excellent month for a holiday in Tallinn.
Tallinn in July77August20° · Sea 18° · 8 h
In August, Tallinn is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 78 mm in total. All in all, August is a good month for a holiday in Tallinn.
Tallinn in August60September15° · Sea 15° · 5 h
In September, Tallinn is cool: daytime highs average 15 °C, and nights cool down to about 11 °C. The sea averages 15.0 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 59 mm in total. All in all, September is a good month for a holiday in Tallinn.
Tallinn in September16October9° · Sea 11° · 3 h
In October, Tallinn is cold: daytime highs average 9 °C, and nights cool down to about 6 °C. The sea averages 11.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 66 mm in total. All in all, October is not an ideal month for a holiday in Tallinn.
Tallinn in October13November4° · Sea 8° · 1 h
In November, Tallinn is cold: daytime highs average 4 °C, and nights cool down to about 2 °C. The sea averages 7.6 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Rain is frequent, with about 12 rainy days and 53 mm in total. Snow falls on about 3 days. All in all, November is not an ideal month for a holiday in Tallinn.
Tallinn in November13December1° · Sea 5° · 1 h
In December, Tallinn is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−2 °C). The sea averages 4.7 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 12 days, totalling 51 mm. Snow falls on about 6 days. All in all, December is not an ideal month for a holiday in Tallinn.
Tallinn in DecemberTallinn compared
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Tallinn vs. Helsinki
In October the holiday weather in Tallinn and Helsinki is about equally good (score 16 vs. 16). During the day it is about as warm in Helsinki as in Tallinn. The sea is about equally warm.
| in October | Tallinn | Helsinki |
|---|---|---|
| Holiday score | 16 | 16 |
| Daytime high | 9° | 9° |
| Sea | 11° | 11° |
| Sunshine | 3 h | 3 h |
| Rainy days | 13 | 12 |
| Best time | Jun – Aug | Jun – Aug |
Through the year
Estonia in October: the best places
In October, Tallinn ranks 2 of 4 destinations in this country.
All destinations: EstoniaPlanning a trip to Tallinn
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Tallinn in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Tallinn has its best school-holiday weather during the summer holidays (score 78) and its weakest during the Christmas holidays (score 14).
- 32
Easter holidays
Mar – Apr
Poor
- 6 °C by day
- Sea 2 °C
- 6.5 h of sun a day
- 8 rainy days a month
Keep in mind: Snow
- 71
May half-term
May – Jun
Good
- 14 °C by day
- Sea 8 °C
- 9.9 h of sun a day
- 9 rainy days a month
- 78
Summer holidays
Jul – Aug
GoodBest holidays
- 20 °C by day
- Sea 17 °C
- 8.9 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 16
October half-term
Oct
Poor
- 9 °C by day
- Sea 11 °C
- 2.8 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 14
Christmas holidays
Dec – Jan
Poor
- 0 °C by day
- Sea 4 °C
- 0.9 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 40 min
- Distance
- 1,800 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Tallinn
When is the best time to visit Tallinn?
The best time to visit Tallinn is from June to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Tallinn?
The sea temperature in Tallinn ranges from 0.9 °C in March to 17.7 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Tallinn in October?
Only if you don't mind cold water: in October the sea averages just 11.0 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Tallinn?
July is the warmest month, with average highs of 21 °C and nights around 15 °C. February is the coolest month at −2 °C.
When does it rain most in Tallinn?
Rain is most frequent from July to August and from October to December; the wettest month is August with 78 mm. The driest month is March with 31 mm.
How many hours of sunshine does Tallinn get?
Tallinn gets around 1,920 hours of sunshine a year. The sunniest month is July with 10.1 hours a day; in December there are 0.7 hours a day.
What time zone is Tallinn in?
Tallinn uses the time zone Europe/Tallinn: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Tallinn?
A nonstop flight from London to Tallinn takes about 2 h 40 min, for a straight-line distance of about 1,800 km.
Which school holidays are best for Tallinn?
Tallinn has its best school-holiday weather during the summer holidays (score 78) and its weakest during the Christmas holidays (score 14). Holiday ratings (0–100): Easter holidays 32, May half-term 71, Summer holidays 78, October half-term 16, Christmas holidays 14.
Near Tallinn
Other destinations close by.
Places with a climate like Tallinn
Destinations whose weather through the year is closest to Tallinn's – good alternatives.