Climate averages 1991–2020
Trondheim weather
in April.
A cold, moderately wet month: the joint 6th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cold month in Trondheim: daytime highs average 7.8°C and nights cool to about -0.4°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 67 mm of rain on roughly 14 days, which makes April a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 55 min on an average April day.
The nearest other city in this atlas is Lillestrøm (388 km away). In April its highs average 9.4°C, 1.7°C warmer than Trondheim, with 53 mm of rain.
Among the 8 cities listed in Norway, Trondheim ranks 8th of 8 for the warmest April highs and 5th of 8 for the driest April (rainfall, lowest first). The mean April high of those 8 cities is 9.1°C; Trondheim is 1.3°C cooler than that mean.
From April to May, average highs rise by 4.8°C to 12.5°C, and monthly rainfall rises from 67 mm to 70 mm.
The annual picture
April in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Trondheim climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -1.1°C-6.1°C | -6.1°C | 96 | 16.0 | 5.86 h |
| February | -0.5°C-6.1°C | -6.1°C | 86 | 14.5 | 8.69 h |
| March | 2.9°C-3.8°C | -3.8°C | 88 | 15.4 | 11.712 h |
| April, selected | 7.8°C-0.4°C | -0.4°C | 67 | 13.6 | 14.915 h |
| May | 12.5°C3.8°C | 3.8°C | 70 | 15.6 | 18.118 h |
| June | 15.9°C8.1°C | 8.1°C | 95 | 15.6 | 20.320 h |
| July | 18.6°C10.8°C | 10.8°C | 85 | 14.8 | 19.319 h |
| August | 17.9°C10.6°C | 10.6°C | 99 | 14.9 | 16.316 h |
| September | 14.0°C7.3°C | 7.3°C | 102 | 14.8 | 13.113 h |
| October | 7.8°C2.2°C | 2.2°C | 87 | 15.2 | 9.910 h |
| November | 2.3°C-2.4°C | -2.4°C | 79 | 13.2 | 6.87 h |
| December | -0.6°C-5.7°C | -5.7°C | 94 | 15.3 | 4.85 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Lillestrøm in AprilNorway · 388 kmHigh 9.4°C · Low 0.7°C · 53 mm rain
- Oslo in AprilNorway · 392 kmHigh 9.8°C · Low 1.1°C · 55 mm rain
- Drammen in AprilNorway · 410 kmHigh 9.8°C · Low 0.9°C · 56 mm rain
- Bergen in AprilNorway · 429 kmHigh 8.6°C · Low 2.2°C · 133 mm rain
- Gävle in AprilSweden · 466 kmHigh 9.3°C · Low 0.9°C · 33 mm rain
- Fredrikstad in AprilNorway · 469 kmHigh 9.7°C · Low 2.9°C · 47 mm rain
- Umeå in AprilSweden · 489 kmHigh 4.7°C · Low -1.2°C · 35 mm rain
- Örebro in AprilSweden · 528 kmHigh 10.3°C · Low 1.7°C · 39 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Trondheim) is explained once on the Trondheim year overview and on the Sources, method and limits page.