Weather radar Trondheim
Real-time precipitation radar · Trøndelag · Norway
Trondheim climate table – average temperature, precipitation & sunshine hours
The climate table for Trondheim 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) | 1.1° | 2.5° | 6.8° | 9.6° | 15.6° | 19.1° | 21.3° | 19.3° | 16.3° | 10° | 4.3° | 1.2° |
| Avg low (°C) | -3.8° | -3.3° | 0.1° | 1.7° | 6.7° | 10.5° | 13.1° | 11.9° | 9.3° | 5.4° | 0.3° | -3.5° |
| Precipitation (mm) | 105 | 77 | 124 | 79 | 80 | 102 | 100 | 129 | 104 | 147 | 101 | 95 |
| Rainy days | 18 | 15 | 17 | 17 | 15 | 16 | 17 | 19 | 15 | 21 | 15 | 16 |
| Sunshine hours | 47 | 109 | 204 | 293 | 365 | 336 | 338 | 286 | 214 | 114 | 56 | 30 |
| Humidity | 81% | 79% | 74% | 72% | 68% | 73% | 75% | 79% | 80% | 83% | 83% | 83% |
Best time to visit Trondheim
The best time to visit Trondheim is typically May. In this month the average high is 15.6°C, precipitation is 80 mm and sunshine duration is 365 hours. The annual average high is 10.6°C, total annual precipitation is 1243 mm (201 rainy days/year) and annual sunshine is 2392 hours.
Frequently asked questions about the weather in Trondheim
How up to date is the weather radar for Trondheim?
The weather radar for Trondheim 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 Trondheim?
Besides the rain radar, RadarWeather provides for Trondheim: 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 Trondheim?
The thunderstorm potential for Trondheim 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 Trondheim.
What is the climate like in Trondheim?
Trondheim has an annual average high of 10.6°C. The warmest month is July (avg high 21.3°C), the coldest January (avg low -3.8°C). The wettest month is October with 147 mm, the driest February with 77 mm. Total annual precipitation is 1243 mm (201 rainy days). Annual sunshine is 2392 hours.
Weather radar near Trondheim
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