Best time to visit Tallinn
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Tallinn
6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Tallinn).
- 1
Tales of Old Tallinn 2-hour Walking Tour - 2
Soviet Tallinn and Cold War Private Walking Tour - 3
Tallinn Private Half Day Tour from Cruise Port - 4
Best of Tallinn: Private Walking Tour (3 Hours) - 5
Tallinn To Riga Private Sightseeing Transfer and Tour - 6
Full-Day customized Tour in Estonia. NB! Min 2 Persons
Last refreshed 2026-06-24.
Similar climatesHelsinki96% · Turku94% · Tartu93%
Other destinations with the most-alike year-round climate to Tallinn (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Tallinn's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | -4–0 | -5 | 15 | 201 | 13.4 | 88% | 23 | 33 | — | Quiet | 2 |
| Feb | -4–0 | -4 | 12 | 165 | 13.8 | 83% | 23 | 68 | 1 | Quiet | 3 |
| Mar | -2–4 | 0 | 10 | 129 | 12.9 | 71% | 21 | 156 | 1 | Quiet | 4 |
| Apr | 1–8 | 4 | 9 | 128 | 14.2 | 64% | 21 | 227 | 2 | Quiet | 5 |
| May | 6–15 | 12 | 9 | 102 | 11.3 | 56% | 19 | 303 | 4 | Quiet | 7 |
| Jun | 12–21 | 20 | 9 | 99 | 11.0 | 57% | 17 | 341 | 4 | Quiet | 9 |
| Jul | 14–22 | 21 | 17 | 192 | 11.3 | 64% | 18 | 318 | 4 | Quiet | 7 |
| Aug | 14–21 | 21 | 14 | 171 | 12.2 | 68% | 18 | 261 | 4 | Peak | 7 |
| Sep | 10–16 | 15 | 12 | 126 | 10.5 | 72% | 19 | 196 | 2 | Busy | 7 |
| Oct | 6–11 | 7 | 14 | 172 | 12.3 | 79% | 22 | 125 | 1 | Moderate | 4 |
| Nov | 1–5 | 1 | 16 | 203 | 12.7 | 86% | 21 | 54 | — | Peak | 3 |
| Dec | -4–0 | -5 | 16 | 211 | 13.2 | 88% | 20 | 23 | — | Busy | 2 |
UV Index in Tallinn by Month
UV index in Tallinn peaks at 4 (moderate) in June, dropping to 0 (low) in January.
Best months in detail
June
9/1012–21°C (feels 20°C) · 9 rain days (99h) · 341 sun hours · 57% humidity · Quiet crowd · UV 4 (moderate)
May
7/106–15°C (feels 12°C) · 9 rain days (102h) · 303 sun hours · 56% humidity · Quiet crowd · UV 4 (moderate)
August
7/1014–21°C · 14 rain days (171h) · 261 sun hours · 68% humidity · Peak crowd · UV 4 (moderate)
Every month
Show the other 9 months in detail
January
2/10-4–0°C (feels -5°C) · 15 rain days (201h) · 33 sun hours · 88% humidity · Quiet crowd
February
3/10-4–0°C (feels -4°C) · 12 rain days (165h) · 68 sun hours · 83% humidity · Quiet crowd · UV 1 (low)
March
4/10-2–4°C (feels 0°C) · 10 rain days (129h) · 156 sun hours · 71% humidity · Quiet crowd · UV 1 (low)
April
5/101–8°C (feels 4°C) · 9 rain days (128h) · 227 sun hours · 64% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
July
7/1014–22°C · 17 rain days (192h) · 318 sun hours · 64% humidity · Quiet crowd · UV 4 (moderate)
September
7/1010–16°C (feels 15°C) · 12 rain days (126h) · 196 sun hours · 72% humidity · Busy crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
October
4/106–11°C (feels 7°C) · 14 rain days (172h) · 125 sun hours · 79% humidity · Moderate crowd · UV 1 (low)
November
3/101–5°C (feels 1°C) · 16 rain days (203h) · 54 sun hours · 86% humidity · Peak crowd
December
2/10-4–0°C (feels -5°C) · 16 rain days (211h) · 23 sun hours · 88% humidity · Busy crowd
Frequently asked questions about visiting Tallinn
When is the best time to visit Tallinn?
June is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 12–21°C (9 rainy days). The top three months by score are June, May, August.
What is the worst time to visit Tallinn?
December is the lowest-scoring month (2/10). Typical conditions: -4–0°C (16 rainy days).
When are crowds lowest in Tallinn?
Search-interest seasonality (Google Trends 2021-2025) is lowest in March and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Tallinn have good weather but fewer tourists?
June (climate 9/10, crowd index 14) and May (climate 7/10, crowd index 4) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Tallinn by month?
UV peaks at 4 (moderate) in June and is lowest in January at 0 (low). Monthly peak values: Jan —, Feb 1, Mar 1, Apr 2, May 4, Jun 4, Jul 4, Aug 4, Sep 2, Oct 1, Nov —, Dec —.
What is the UV index in Tallinn in June?
June is the peak UV month in Tallinn, with a daily-peak UV index of 4 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.
How high can UV get in Tallinn on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. September is the worst case: typical days average UV 2 (low), but the top 10% of days reach UV 3 (moderate) — and even higher. Months where the sunniest days routinely exceed the typical reading: April, September. Plan sun protection for the worst case, not the average.