Hafnarfjörður weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Poor
Best time to visit: April – August
What is the weather like in Hafnarfjörður in March?
In March, Hafnarfjörður is freezing cold: daytime highs average 3 °C, and nights often drop below freezing (−3 °C). The sea averages 4.9 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Precipitation, often as snow, falls on about 17 days, totalling 113 mm. Snow falls on about 8 days. It is often windy, with gusts of around 28 km/h. All in all, March is not an ideal month for a holiday in Hafnarfjörður.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 2 | 3 | 11 |
| Day | 1° | 3° | 6° |
| Night | −4° | −3° | 0° |
| Sea | 5° | 5° | 6° |
| Sun | 2 h | 4 h | 6 h |
| Rain days | 17 | 17 | 16 |
More details for March
- Daylight
- 11 h 35 min07:50 – 19:25
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 74 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 8 days1 cm or more of fresh snowAll months
- Time zone
- UTC+0Atlantic/Reykjavik
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 20 %7 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
- Windproof jacket
Hafnarfjörður in March: quick answers
Is Hafnarfjörður hot in March?
No. In March, Hafnarfjörður is freezing cold: daytime highs average 3 °C and nights drop to about −3 °C.
Can you swim in Hafnarfjörður in March?
Only if you don't mind cold water: in March the sea averages just 4.9 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Hafnarfjörður in March?
It rains often – on about 17 days, adding up to 113 mm.
Hafnarfjörður month by month
The whole year in HafnarfjörðurAll destinations: IcelandWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences