Weather radar Siegen
Real-time precipitation radar · NRW · Germany
Siegen climate table – average temperature, precipitation & sunshine hours
The climate table for Siegen 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) | 4.2° | 7.1° | 10.8° | 12.9° | 18.2° | 23° | 23.1° | 23.7° | 19.7° | 14.4° | 8.1° | 5.3° |
| Avg low (°C) | 0.2° | 1.8° | 2.8° | 4.5° | 8.9° | 13.2° | 13.9° | 14° | 11.4° | 8.3° | 3.8° | 1.7° |
| Precipitation (mm) | 141 | 90 | 72 | 86 | 98 | 87 | 102 | 77 | 93 | 100 | 91 | 102 |
| Rainy days | 17 | 15 | 12 | 14 | 15 | 12 | 15 | 14 | 14 | 15 | 17 | 14 |
| Sunshine hours | 84 | 134 | 230 | 266 | 332 | 364 | 341 | 329 | 255 | 154 | 99 | 64 |
| Humidity | 89% | 83% | 73% | 72% | 71% | 69% | 72% | 74% | 80% | 87% | 90% | 91% |
Best time to visit Siegen
The best time to visit Siegen is typically June. In this month the average high is 23°C, precipitation is 87 mm and sunshine duration is 364 hours. The annual average high is 14.2°C, total annual precipitation is 1139 mm (174 rainy days/year) and annual sunshine is 2652 hours.
Frequently asked questions about the weather in Siegen
How up to date is the weather radar for Siegen?
The weather radar for Siegen 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 Siegen?
Besides the rain radar, RadarWeather provides for Siegen: 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 Siegen?
The thunderstorm potential for Siegen 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 Siegen.
What is the climate like in Siegen?
Siegen has an annual average high of 14.2°C. The warmest month is August (avg high 23.7°C), the coldest January (avg low 0.2°C). The wettest month is January with 141 mm, the driest March with 72 mm. Total annual precipitation is 1139 mm (174 rainy days). Annual sunshine is 2652 hours.
Weather radar near Siegen
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