Weather in Hafnarfjörður in maj
Climate normals based on 10 years of historical data for Hafnarfjörður, Island.
Average high
9°C
Average low
4°C
Rainfall
126 mm
18 rainy days
Sunshine
3.1h/day
Luftfuktighet
75%
How Hot Is Hafnarfjörður in maj?
May stays evenly cool in Hafnarfjörður — highs of 9°C and lows of 4°C, with little day-night variation. 3°C separates May from April, a noticeable step in Hafnarfjörður's annual cycle.
Sunshine Hours in maj
Long days with mixed skies: Hafnarfjörður averages 3.1h of direct sun in May despite 18h of daylight.
Does It Rain In Hafnarfjörður In maj?
Persistent rain shapes Hafnarfjörður's May: 126mm in 18 days.
Is Hafnarfjörður Humid In maj?
High levels of humidity in Hafnarfjörður year-round (about 75%) will make it feel warmer than the thermometer suggests.
Wind In Hafnarfjörður In maj
Wind picks up in Hafnarfjörður during May — averaging 24 kph, with gustier afternoons.
Cloud Cover In Hafnarfjörður In maj
Hafnarfjörður's May runs cloudy: typical cloud cover of 73%.
Cities With Similar Weather In maj
Weather in Hafnarfjörður, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 1°C / -3°C | 165mm | Details → |
| Vädret i februari | 2°C / -3°C | 159mm | Details → |
| Vädret i mars | 3°C / -1°C | 137mm | Details → |
| Vädret i april | 6°C / 1°C | 135mm | Details → |
| Vädret i maj | 9°C / 4°C | 126mm | |
| Vädret i juni | 11°C / 7°C | 99mm | Details → |
| Vädret i juli | 14°C / 9°C | 90mm | Details → |
| Vädret i augusti | 13°C / 9°C | 107mm | Details → |
| Vädret i september | 10°C / 6°C | 148mm | Details → |
| Vädret i oktober | 7°C / 3°C | 158mm | Details → |
| Vädret i november | 4°C / 0°C | 132mm | Details → |
| Vädret i december | 1°C / -3°C | 143mm | Details → |