Norway
Trondheim in April: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Trondheim in April is climatically mixed. The average daily high is around 6 °C, and the sea is about 6 °C. With about 16 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
21/100 · #6
Warmth
#7
Dryness
#1
Sun
#4
Sea warmth
#9
Published best categories: none
Trondheim · AprilPhoto: David Stanley from Nanaimo, Canada · CC BY 4.0Climate facts
- Average high
- 6 °C
- Average low
- -1 °C
- Sea
- 6 °C
- Rainy days (est.)
- 16 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 86 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| March | 1 | -4 | 19 | 124 | 2.3 | 93 | 1.6 | 5 | 13 |
| April (selected) | 6 | -1 | 16 | 93 | 4.5 | 86 | 1.2 | 6 | 21 |
| May | 11 | 3 | 18 | 96 | 5.7 | 80 | 0.8 | 8 | 26 |
How do the previous and next months compare?
Baseline: April (21/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| March | -8 | -4.8 °C | -3.5 °C | +2.8 | +31 mm | -2.2 h | +7.7 % | +0.4 m/s | -0.8 °C |
| May | +5 | +5.2 °C | +4 °C | +1.4 | +2.2 mm | +1.2 h | -5.6 % | -0.4 m/s | +1.8 °C |
All twelve months in context
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Where to stay in Trondheim
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Useful next decisions
Frequently asked questions
How warm is Trondheim in April?
The average daily high is around 6 °C, with an average daily low of about -1 °C.
Can you swim in Trondheim in April?
The sea is about 6 °C (cold).
Does it rain a lot in Trondheim in April?
The curated estimate is about 16 rainy days per month, not a directly measured long-term average. Total precipitation averages around 93 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Trondheim?
No month in Trondheim reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.