Weather radar Heidelberg
Real-time precipitation radar · BW · Germany
Heidelberg climate table – average temperature, precipitation & sunshine hours
The climate table for Heidelberg 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) | 5.6° | 8.7° | 12.5° | 14.8° | 20° | 25.9° | 26° | 26.2° | 21.5° | 16.3° | 9.2° | 6.4° |
| Avg low (°C) | 1.1° | 2.7° | 3.4° | 5.6° | 10.1° | 15° | 15.6° | 15.6° | 12.4° | 9° | 4.4° | 2.3° |
| Precipitation (mm) | 98 | 76 | 53 | 66 | 84 | 70 | 74 | 74 | 93 | 92 | 89 | 86 |
| Rainy days | 15 | 12 | 11 | 11 | 13 | 11 | 13 | 12 | 13 | 13 | 17 | 14 |
| Sunshine hours | 110 | 160 | 246 | 284 | 339 | 373 | 362 | 333 | 264 | 189 | 115 | 98 |
| Humidity | 85% | 80% | 70% | 69% | 68% | 65% | 65% | 69% | 77% | 84% | 88% | 87% |
Best time to visit Heidelberg
The best time to visit Heidelberg is typically June. In this month the average high is 25.9°C, precipitation is 70 mm and sunshine duration is 373 hours. The annual average high is 16.1°C, total annual precipitation is 955 mm (155 rainy days/year) and annual sunshine is 2873 hours.
Frequently asked questions about the weather in Heidelberg
How up to date is the weather radar for Heidelberg?
The weather radar for Heidelberg 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 Heidelberg?
Besides the rain radar, RadarWeather provides for Heidelberg: 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 Heidelberg?
The thunderstorm potential for Heidelberg 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 Heidelberg.
What is the climate like in Heidelberg?
Heidelberg has an annual average high of 16.1°C. The warmest month is August (avg high 26.2°C), the coldest January (avg low 1.1°C). The wettest month is January with 98 mm, the driest March with 53 mm. Total annual precipitation is 955 mm (155 rainy days). Annual sunshine is 2873 hours.
Weather radar near Heidelberg
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