Southampton weather

The Southampton weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Southampton, Hampshire, England.

Southampton weather averages

Check the Southampton weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Southampton, Hampshire, England.

Max Day Temperature (°C)

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Days with some Rainfall

Min Night Temperature (°C)

Monthly Rainfall (mm)

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Southampton weather by month

Check the weather for Southampton, Hampshire, England for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.

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Southampton weather in January

The average maximum daytime temperature in Southampton in January is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Southampton during January.

  • 7°C maximum daytime temperature in January in Southampton7
    7°C max day temperature
  • 2 hours of sunshine per day in January in Southampton2
    2 hours of sunshine per day
  • 17 days with some rainfall in January in Southampton17
    17 days with some rainfall
  • 3°C minimum night-time temperature in January in Southampton3
    3°C min night temperature
  • 94 mm monthly rainfall in January in Southampton94
    94 mm of monthly rainfall

On average 94 mm (3.7 inches) of rain normally falls in Southampton during January with rain falling on 17 days of the month.

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Southampton weather in February

The average maximum daytime temperature in Southampton in February is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 3 hours of sunshine a day in Southampton during February.

  • 8°C maximum daytime temperature in February in Southampton8
    8°C max day temperature
  • 3 hours of sunshine per day in February in Southampton3
    3 hours of sunshine per day
  • 13 days with some rainfall in February in Southampton13
    13 days with some rainfall
  • 3°C minimum night-time temperature in February in Southampton3
    3°C min night temperature
  • 66 mm monthly rainfall in February in Southampton66
    66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Southampton during February with rain falling on 13 days of the month.

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Southampton weather in March

The average maximum daytime temperature in Southampton in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 4 hours of sunshine a day in Southampton during March.

  • 10°C maximum daytime temperature in March in Southampton10
    10°C max day temperature
  • 4 hours of sunshine per day in March in Southampton4
    4 hours of sunshine per day
  • 15 days with some rainfall in March in Southampton15
    15 days with some rainfall
  • 4°C minimum night-time temperature in March in Southampton4
    4°C min night temperature
  • 68 mm monthly rainfall in March in Southampton68
    68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Southampton during March with rain falling on 15 days of the month.

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Southampton weather in April

The average maximum daytime temperature in Southampton in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 6 hours of sunshine a day in Southampton during April.

  • 12°C maximum daytime temperature in April in Southampton12
    12°C max day temperature
  • 6 hours of sunshine per day in April in Southampton6
    6 hours of sunshine per day
  • 12 days with some rainfall in April in Southampton12
    12 days with some rainfall
  • 5°C minimum night-time temperature in April in Southampton5
    5°C min night temperature
  • 55 mm monthly rainfall in April in Southampton55
    55 mm of monthly rainfall

On average 55 mm (2.2 inches) of rain normally falls in Southampton during April with rain falling on 12 days of the month.

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Southampton weather in May

The average maximum daytime temperature in Southampton in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 7 hours of sunshine a day in Southampton during May.

  • 15°C maximum daytime temperature in May in Southampton15
    15°C max day temperature
  • 7 hours of sunshine per day in May in Southampton7
    7 hours of sunshine per day
  • 12 days with some rainfall in May in Southampton12
    12 days with some rainfall
  • 8°C minimum night-time temperature in May in Southampton8
    8°C min night temperature
  • 50 mm monthly rainfall in May in Southampton50
    50 mm of monthly rainfall

On average 50 mm (2 inches) of rain normally falls in Southampton during May with rain falling on 12 days of the month.

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Southampton weather in June

The average maximum daytime temperature in Southampton in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 7 hours of sunshine a day in Southampton during June.

  • 18°C maximum daytime temperature in June in Southampton18
    18°C max day temperature
  • 7 hours of sunshine per day in June in Southampton7
    7 hours of sunshine per day
  • 10 days with some rainfall in June in Southampton10
    10 days with some rainfall
  • 11°C minimum night-time temperature in June in Southampton11
    11°C min night temperature
  • 50 mm monthly rainfall in June in Southampton50
    50 mm of monthly rainfall

On average 50 mm (2 inches) of rain normally falls in Southampton during June with rain falling on 10 days of the month.

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Southampton weather in July

The average maximum daytime temperature in Southampton in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 7 hours of sunshine a day in Southampton during July.

  • 21°C maximum daytime temperature in July in Southampton21
    21°C max day temperature
  • 7 hours of sunshine per day in July in Southampton7
    7 hours of sunshine per day
  • 9 days with some rainfall in July in Southampton9
    9 days with some rainfall
  • 13°C minimum night-time temperature in July in Southampton13
    13°C min night temperature
  • 41 mm monthly rainfall in July in Southampton41
    41 mm of monthly rainfall

On average 41 mm (1.6 inches) of rain normally falls in Southampton during July with rain falling on 9 days of the month.

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Southampton weather in August

The average maximum daytime temperature in Southampton in August is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 6 hours of sunshine a day in Southampton during August.

  • 21°C maximum daytime temperature in August in Southampton21
    21°C max day temperature
  • 6 hours of sunshine per day in August in Southampton6
    6 hours of sunshine per day
  • 10 days with some rainfall in August in Southampton10
    10 days with some rainfall
  • 13°C minimum night-time temperature in August in Southampton13
    13°C min night temperature
  • 58 mm monthly rainfall in August in Southampton58
    58 mm of monthly rainfall

On average 58 mm (2.3 inches) of rain normally falls in Southampton during August with rain falling on 10 days of the month.

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Southampton weather in September

The average maximum daytime temperature in Southampton in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Southampton during September.

  • 18°C maximum daytime temperature in September in Southampton18
    18°C max day temperature
  • 5 hours of sunshine per day in September in Southampton5
    5 hours of sunshine per day
  • 12 days with some rainfall in September in Southampton12
    12 days with some rainfall
  • 11°C minimum night-time temperature in September in Southampton11
    11°C min night temperature
  • 73 mm monthly rainfall in September in Southampton73
    73 mm of monthly rainfall

On average 73 mm (2.9 inches) of rain normally falls in Southampton during September with rain falling on 12 days of the month.

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Southampton weather in October

The average maximum daytime temperature in Southampton in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Southampton during October.

  • 14°C maximum daytime temperature in October in Southampton14
    14°C max day temperature
  • 4 hours of sunshine per day in October in Southampton4
    4 hours of sunshine per day
  • 15 days with some rainfall in October in Southampton15
    15 days with some rainfall
  • 9°C minimum night-time temperature in October in Southampton9
    9°C min night temperature
  • 93 mm monthly rainfall in October in Southampton93
    93 mm of monthly rainfall

On average 93 mm (3.7 inches) of rain normally falls in Southampton during October with rain falling on 15 days of the month.

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Southampton weather in November

The average maximum daytime temperature in Southampton in November is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Southampton during November.

  • 11°C maximum daytime temperature in November in Southampton11
    11°C max day temperature
  • 3 hours of sunshine per day in November in Southampton3
    3 hours of sunshine per day
  • 15 days with some rainfall in November in Southampton15
    15 days with some rainfall
  • 6°C minimum night-time temperature in November in Southampton6
    6°C min night temperature
  • 99 mm monthly rainfall in November in Southampton99
    99 mm of monthly rainfall

On average 99 mm (3.9 inches) of rain normally falls in Southampton during November with rain falling on 15 days of the month.

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Southampton weather in December

The average maximum daytime temperature in Southampton in December is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Southampton during December.

  • 9°C maximum daytime temperature in December in Southampton9
    9°C max day temperature
  • 2 hours of sunshine per day in December in Southampton2
    2 hours of sunshine per day
  • 16 days with some rainfall in December in Southampton16
    16 days with some rainfall
  • 4°C minimum night-time temperature in December in Southampton4
    4°C min night temperature
  • 98 mm monthly rainfall in December in Southampton98
    98 mm of monthly rainfall

On average 98 mm (3.9 inches) of rain normally falls in Southampton during December with rain falling on 16 days of the month.

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