Harwich Climate: Weather by Month and Best Time to Visit
Best months for Harwich: August, July, September, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 4°C | 60 mm | 12 | – | – | 5.0 |
| February | 7°C | 3°C | 48 mm | 10 | – | – | 5.3 |
| March | 9°C | 5°C | 43 mm | 10 | – | – | 5.6 |
| April | 11°C | 7°C | 41 mm | 9 | – | – | 6.1 |
| May | 14°C | 9°C | 51 mm | 10 | – | – | 6.6 |
| June | 17°C | 12°C | 53 mm | 10 | – | – | 6.9 |
| July | 20°C | 15°C | 57 mm | 12 | – | – | 7.2 |
| August | 20°C | 15°C | 62 mm | 10 | – | – | 7.4 |
| September | 18°C | 13°C | 54 mm | 10 | – | – | 7.1 |
| October | 14°C | 10°C | 67 mm | 12 | – | – | 6.2 |
| November | 10°C | 7°C | 64 mm | 12 | – | – | 5.6 |
| December | 8°C | 4°C | 65 mm | 12 | – | – | 5.2 |