Southampton
7 to 21°C
temperature
2358 hours
sunshine per day
385 mm
rain
187 days
dry
174 days
rain
4 days
snow

Climate of Southampton

Southampton has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Southampton is 14° degrees and there is about 386 mm of rain in a year. It is dry for 142 days a year with an average humidity of 83% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 7°C and 21°C
  • Night:the average nighttime temperature is between 3°C and 13°C
  • Sea temperature: the sea temperature is between 10°C and 18°C
  • Rain: it rains 174 days and there is a total of approximately 385 mm rainfall
  • Snow: it snows an average of 4 days per year
  • Sun hours: throughout the year there are 2358 sun hours
Maximum temperature: between 7°C and 21°C
Warmest month: 21°C in July
Coldest month: 7°C in January
Night temperature: between 3°C and 13°C
Sea temperature: between 10°C and 18°C
Dry days: 187 days
Days with rain: 174 days
Days with snow: 4 days
Total rain sum: 385 mm
Hours of sunshine: 2358 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Southampton.

Precipitation graph

This graph shows the average amount of rainfall per month for Southampton.

Climate table of Southampton

In this climate table you can see at a glance what the average weather per month is for Southampton. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Southampton might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 7 8 10 13 16 19 21 20 18 15 11 9
Night temp. (°C) 3 3 4 6 8 11 13 13 12 10 7 5
Water temp. (°C) 11 10 10 11 13 15 17 18 18 17 17 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 35 33 28 23 29 26 30 28 19 37 48 49
Days with rain 16 14 13 14 15 13 16 15 11 15 16 16
Days with snow 2 1 - - - - - - - - - 1
Dry days 13 13 18 16 16 17 15 16 19 16 14 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 4 6 8 8 8 9 9 8 5 4 4
Wind force (Bft) 3 3 3 3 3 3 3 3 3 3 3 3
UV-index 2 2 3 3 4 5 5 4 4 4 2 3

Best time to visit Southampton

The best time to visit Southampton in England is from June through September. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Southampton is 21°C in July and the lowest is 7°C in January. The maximum water temperature is 18°C and the lowest water temperature is 10°C.

Climate of Southampton by month

What is the average climate in a given month for Southampton? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

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