Best year time to visit Southampton

General weather information about Southampton

Average annual temperature is 11.7 °C

Absolute maximum temperature: 29.0 °C

Absolute minimum temperature: -5.5 °C

Number of sunny days: 129 days

Number of rainy days: 236 days

Look at detailed online map of Southampton

* Weather data for Southampton United Kingdom is based on climate observations for 2026 year

Southampton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.213.913.617.721.727.625.124.229.021.814.914.0
Average daytime temperature (°C)8.49.810.312.917.622.920.220.722.016.611.110.5
Average temperature (°C)5.26.27.68.913.218.016.916.817.713.38.38.3
Average night temperature (°C)1.92.95.04.98.612.813.113.013.610.35.45.9
Absolute minimum temperature (°C)-5.5-3.2-0.20.26.08.19.09.77.63.6-1.9-3.0

Southampton monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.510.011.913.815.516.416.014.512.610.79.08.0
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.14.74.28.011.112.810.19.78.66.54.42.6
Precipitation (mm)10511138956430969969126110119
Sunny days131751017143610121210
Rainy days181126201416282520191821
Snow days000000000000

Best time to visit Southampton:

The best time to visit Southampton during the most sunny months:

  • May — 11.1(h)
  • June — 12.8(h)
  • July — 10.1(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Southampton:

  • May — 15.5(h)
  • June — 16.4(h)
  • July — 16.0(h)

The largest precipitation sum in Southampton is at

  • March — 138(mm)
  • October — 126(mm)
  • December — 119(mm)