Iceland
Reykjavík in March: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Reykjavík in March is climatically mixed. The average daily high is around 2 °C, and the sea is about 5 °C. With about 20 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
13/100 · #7
Warmth
#9
Dryness
#9
Sun
#7
Sea warmth
#12
Published best categories: none
Reykjavík · MarchPhoto: rheins · CC BY 3.0Climate facts
- Average high
- 2 °C
- Average low
- -2 °C
- Sea
- 5 °C
- Rainy days (est.)
- 20 rainy days (est.)
- Sun (est.)
- 2 h/day
- Humidity
- 89 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| February | 2 | -2 | 19 | 163 | 0.7 | 91 | 4.9 | 5 | 11 |
| March (selected) | 2 | -2 | 20 | 157 | 2.3 | 89 | 4.3 | 5 | 13 |
| April | 5 | 1 | 17 | 108 | 4.6 | 86 | 3.7 | 6 | 19 |
How do the previous and next months compare?
Baseline: March (13/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| February | -2 | -0.6 °C | -0.5 °C | -0.6 | +6.4 mm | -1.6 h | +1.5 % | +0.6 m/s | +0.1 °C |
| April | +6 | +2.6 °C | +2.1 °C | -2.5 | -48.3 mm | +2.3 h | -3.1 % | -0.6 m/s | +0.7 °C |
All twelve months in context
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Where to stay in Reykjavík
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Useful next decisions
Frequently asked questions
How warm is Reykjavík in March?
The average daily high is around 2 °C, with an average daily low of about -2 °C.
Can you swim in Reykjavík in March?
The sea is about 5 °C (cold).
Does it rain a lot in Reykjavík in March?
The curated estimate is about 20 rainy days per month, not a directly measured long-term average. Total precipitation averages around 157 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Reykjavík?
No month in Reykjavík reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.