Weather radar Tallinn
Real-time precipitation radar · Harjumaa · Estonia
Tallinn climate table – average temperature, precipitation & sunshine hours
The climate table for Tallinn shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | -0.4° | -0.2° | 4° | 7.8° | 13.7° | 19.6° | 21.7° | 20.4° | 16.3° | 10.4° | 5.1° | 0.9° |
| Avg low (°C) | -4° | -3.9° | -1.1° | 1.8° | 6.3° | 12.3° | 15.5° | 14.6° | 10.8° | 6.4° | 2.2° | -2.6° |
| Precipitation (mm) | 64 | 36 | 34 | 42 | 38 | 56 | 89 | 102 | 62 | 73 | 63 | 54 |
| Rainy days | 16 | 10 | 9 | 10 | 7 | 10 | 16 | 15 | 10 | 15 | 15 | 14 |
| Sunshine hours | 36 | 97 | 218 | 299 | 404 | 433 | 414 | 340 | 255 | 152 | 57 | 29 |
| Humidity | 89% | 86% | 79% | 73% | 67% | 72% | 77% | 80% | 81% | 83% | 88% | 88% |
Best time to visit Tallinn
The best time to visit Tallinn is typically May. In this month the average high is 13.7°C, precipitation is 38 mm and sunshine duration is 404 hours. The annual average high is 9.9°C, total annual precipitation is 713 mm (147 rainy days/year) and annual sunshine is 2734 hours.
Frequently asked questions about the weather in Tallinn
How up to date is the weather radar for Tallinn?
The weather radar for Tallinn is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Tallinn?
Besides the rain radar, RadarWeather provides for Tallinn: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Tallinn?
The thunderstorm potential for Tallinn is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Tallinn.
What is the climate like in Tallinn?
Tallinn has an annual average high of 9.9°C. The warmest month is July (avg high 21.7°C), the coldest January (avg low -4°C). The wettest month is August with 102 mm, the driest March with 34 mm. Total annual precipitation is 713 mm (147 rainy days). Annual sunshine is 2734 hours.
Weather radar near Tallinn
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