Average annual temperature is 4.7 °C
Absolute maximum temperature: 18.7 °C
Absolute minimum temperature: -16.4 °C
Number of sunny days: 110 days
Number of rainy days: 221 days
Number of snow days: 34 days
Look at detailed online map of Hafnarfjarðarkaupstaður
* Weather data for Hafnarfjarðarkaupstaður Iceland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.0 | 8.7 | 7.4 | 10.7 | 13.4 | 16.3 | 17.3 | 18.7 | 13.4 | 10.7 | 9.1 | 7.4 |
| Average daytime temperature (°C) | 0.1 | 4.2 | 0.7 | 7.0 | 8.7 | 11.5 | 13.8 | 14.3 | 10.8 | 6.9 | 4.4 | 0.6 |
| Average temperature (°C) | -2.5 | 2.3 | -1.9 | 4.7 | 6.6 | 9.6 | 11.1 | 11.8 | 8.5 | 4.8 | 2.7 | -1.5 |
| Average night temperature (°C) | -5.4 | 0.3 | -4.3 | 2.0 | 4.7 | 7.3 | 8.1 | 9.0 | 6.0 | 2.4 | 0.7 | -3.6 |
| Absolute minimum temperature (°C) | -16.4 | -6.4 | -12.0 | -4.2 | -1.9 | 3.8 | 4.5 | 5.4 | 1.5 | -1.7 | -3.4 | -9.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 16.0 | 19.0 | 21.0 | 20.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 5.6 | 8.6 | 11.8 | 15.1 | 18.4 | 20.8 | 19.6 | 16.3 | 13.0 | 9.8 | 6.5 | 4.4 |
| Daylight minimum duration (h) | 4.0 | 7.0 | 10.0 | 13.0 | 16.0 | 20.0 | 18.0 | 14.0 | 11.0 | 8.0 | 5.0 | 4.0 |
| Sunshine mean duration (h) | 1.3 | 2.1 | 6.8 | 6.3 | 4.9 | 6.1 | 12.4 | 8.8 | 5.9 | 4.0 | 2.4 | 0.8 |
| Precipitation (mm) | 141 | 248 | 47 | 203 | 209 | 159 | 13 | 83 | 123 | 205 | 74 | 122 |
| Sunny days | 11 | 0 | 20 | 6 | 1 | 3 | 21 | 11 | 5 | 11 | 11 | 10 |
| Rainy days | 11 | 20 | 7 | 23 | 30 | 27 | 10 | 20 | 25 | 20 | 17 | 11 |
| Snow days | 9 | 8 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Hafnarfjarðarkaupstaður during the most sunny months:
Months with the longest average daylight duration in Hafnarfjarðarkaupstaður:
The largest precipitation sum in Hafnarfjarðarkaupstaður is at