Trondheim weather by month & the best time to visit
🇳🇴 Norway · seaside town · oceanic / maritime climate
The best time to visit Trondheim is July — its sunniest month (Sunshine Score 62/100). Trondheim averages about 1,425 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 133 mm of rain in July.
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- Sun hours / year
- 1,425
- Sunniest month
- July
- Peak score
- 62/100
- Rain / year
- 1,483 mm
- Snow / year
- ≈2.6 m
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 17°C / 63°F
- Population
- 217k
- Elevation
- 10 m
When is the best time to visit Trondheim?
For sunshine, the best time to visit Trondheim is July. The dullest month is January (0/100, 129 mm of rain). The full month-by-month picture is in the table below.
How sunny is Trondheim?
Trondheim isn't a sunny place by world standards: about 1,425 hours of sunshine a year. 62 Sunshine Score points separate July (62) from January (0), so the month you pick matters. It ranks #18 of 36 destinations in Norway for annual sunshine, above the national median of 1,417 hours. The year's 1,483 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 0° / 32°F | -4° / 25°F | 129 mm | 0 | 2° / 36°F |
| February | 0 | 0° / 32°F | -4° / 25°F | 112 mm | 0 | 2° / 36°F |
| March | 0 | 3° / 37°F | -3° / 27°F | 117 mm | 1 | 4° / 39°F |
| April | 0 | 8° / 46°F | 1° / 34°F | 94 mm | 2 | 6° / 43°F |
| May | 29 | 13° / 55°F | 5° / 41°F | 94 mm | 3 | 13° / 55°F |
| June | 47 | 17° / 63°F | 9° / 48°F | 134 mm | 4 | 15° / 59°F |
| July | 62 | 20° / 68°F | 12° / 54°F | 133 mm | 4 | 17° / 63°F |
| August | 51 | 18° / 64°F | 11° / 52°F | 136 mm | 3 | 16° / 61°F |
| September | 30 | 14° / 57°F | 8° / 46°F | 149 mm | 1 | 15° / 59°F |
| October | 0 | 8° / 46°F | 3° / 37°F | 123 mm | 0 | 10° / 50°F |
| November | 0 | 3° / 37°F | 0° / 32°F | 122 mm | 0 | 7° / 45°F |
| December | 0 | 1° / 34°F | -3° / 27°F | 140 mm | 0 | 4° / 39°F |
Sea temperature in Trondheim by month
The sea off Trondheim is warmest in July at around 17°C / 63°F, and coolest in January at 2°C / 36°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Trondheim on the interactive sunshine globe →
Nearby places for sunshine
- Molde Norway · 201 km · best in Jul · 1,233 h sun/yr
- Ålesund Norway · 263 km · best in Jul · 1,230 h sun/yr
- Oslo (Gardermoen) Norway · 363 km · best in Jul · 1,634 h sun/yr
- Bodø Norway · 453 km · best in Jul · 1,323 h sun/yr
- Bergen Norway · 461 km · best in Jul · 1,312 h sun/yr
- Umeå Sweden · 463 km · best in Jul · 1,887 h sun/yr
Nearest destinations
- Ørland Norway · 71 km · 1,409 h sun/yr · best in Jul
- Røros Norway · 100 km · 1,674 h sun/yr · best in Jul
- Namsos Norway · 117 km · 1,387 h sun/yr · best in Jul
- Rørvik Norway · 154 km · 1,394 h sun/yr · best in Jul
- Kristiansund Norway · 160 km · 1,427 h sun/yr · best in Jul
Head-to-head
How Trondheim compares month by month: Trondheim vs Oslo (Gardermoen) · Trondheim vs Ålesund · Trondheim vs Molde · all comparisons
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