Average annual temperature is 11.8 °C
Absolute maximum temperature: 29 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 129
Number of rainy days: 236
Number of snow days:
Average annual precipitation: 1066 mm
Look at detailed online map of Southampton
* Weather data for Southampton United Kingdom is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.2 | 13.9 | 13.6 | 17.7 | 21.7 | 27.6 | 25.1 | 24.2 | 29 | 21.8 | 14.9 | 14 |
| Average daytime temperature (°C) | 8.4 | 9.8 | 10.3 | 12.9 | 17.6 | 22.9 | 20.2 | 20.7 | 22 | 16.6 | 11.1 | 10.5 |
| Average temperature (°C) | 5.4 | 6.2 | 7.6 | 8.9 | 13.2 | 18 | 16.9 | 16.8 | 17.7 | 13.3 | 8.3 | 8.3 |
| Average night temperature (°C) | 1.9 | 3 | 5 | 4.9 | 8.6 | 12.8 | 13.1 | 13 | 13.6 | 10.3 | 5.4 | 5.9 |
| Absolute minimum temperature (°C) | -5.5 | -3.2 | -0.2 | 0.2 | 6 | 8.1 | 9 | 9.7 | 7.6 | 3.6 | -1.9 | -3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.2 | 10.9 | 12.9 | 14.7 | 16.2 | 16.5 | 16.5 | 15.4 | 13.6 | 11.7 | 9.7 | 8.3 |
| Daylight mean duration (h) | 8.5 | 10 | 11.9 | 13.8 | 15.5 | 16.5 | 16 | 14.5 | 12.6 | 10.7 | 9 | 8 |
| Daylight minimum duration (h) | 8 | 9.2 | 10.9 | 12.9 | 14.8 | 16.2 | 15.4 | 13.6 | 11.7 | 9.8 | 8.3 | 7.9 |
| Sunshine mean duration (h) | 4.8 | 5 | 4.6 | 8.3 | 11.5 | 12.8 | 10.1 | 9.7 | 8.6 | 6.7 | 5.1 | 3.4 |
| Precipitation (mm) | 105 | 12 | 139 | 96 | 64 | 30 | 96 | 100 | 69 | 126 | 110 | 119 |
| Sunny days | 13 | 17 | 5 | 10 | 17 | 14 | 3 | 6 | 10 | 12 | 12 | 10 |
| Rainy days | 18 | 11 | 26 | 20 | 14 | 16 | 28 | 25 | 20 | 19 | 18 | 21 |
The best time to visit Southampton during the most sunny months:
Months with the longest average daylight duration in Southampton:
The largest precipitation sum in Southampton is at