Grimstad Climate: Weather by Month and Best Time to Visit
Best months for Grimstad: July, June, August.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 3°C | 0°C | 107 mm | 14 | – | – | 3.9 |
| February | 3°C | -1°C | 81 mm | 12 | – | – | 4.3 |
| March | 5°C | 0°C | 70 mm | 10 | – | – | 4.9 |
| April | 9°C | 4°C | 58 mm | 10 | – | – | 5.7 |
| May | 14°C | 8°C | 63 mm | 10 | – | – | 6.5 |
| June | 18°C | 11°C | 75 mm | 10 | – | – | 7.1 |
| July | 20°C | 14°C | 72 mm | 10 | – | – | 7.5 |
| August | 20°C | 13°C | 101 mm | 12 | – | – | 7.0 |
| September | 16°C | 11°C | 106 mm | 13 | – | – | 6.3 |
| October | 11°C | 7°C | 119 mm | 14 | – | – | 5.3 |
| November | 7°C | 3°C | 115 mm | 15 | – | – | 4.6 |
| December | 4°C | 1°C | 104 mm | 14 | – | – | 4.1 |