Climate averages 1991–2020
Trondheim weather
in June.
A mild, wet month: the 3rd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Trondheim: daytime highs average 15.9°C and nights cool to about 8.1°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 95 mm of rain on roughly 16 days, which makes June a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 20 h 20 min on an average June day.
The nearest other city in this atlas is Lillestrøm (388 km away). In June its highs average 18.8°C, 2.9°C warmer than Trondheim, with 91 mm of rain.
Among the 8 cities listed in Norway, Trondheim ranks 6th of 8 for the warmest June highs and joint 5th of 8 for the driest June (rainfall, lowest first). The mean June high of those 8 cities is 17.3°C; Trondheim is 1.4°C cooler than that mean.
From June to July, average highs rise by 2.8°C to 18.6°C, and monthly rainfall falls from 95 mm to 85 mm.
The annual picture
June 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 | 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, selected | 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
June in nearby cities
- Lillestrøm in JuneNorway · 388 kmHigh 18.8°C · Low 10.2°C · 91 mm rain
- Oslo in JuneNorway · 392 kmHigh 19.4°C · Low 10.9°C · 95 mm rain
- Drammen in JuneNorway · 410 kmHigh 19.4°C · Low 10.9°C · 91 mm rain
- Bergen in JuneNorway · 429 kmHigh 15.0°C · Low 9.0°C · 121 mm rain
- Gävle in JuneSweden · 466 kmHigh 19.0°C · Low 10.7°C · 61 mm rain
- Fredrikstad in JuneNorway · 469 kmHigh 18.3°C · Low 11.8°C · 78 mm rain
- Umeå in JuneSweden · 489 kmHigh 15.3°C · Low 9.2°C · 58 mm rain
- Örebro in JuneSweden · 528 kmHigh 19.3°C · Low 11.2°C · 72 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.