Morriston weather

The Morriston weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Morriston, Swansea Area, Wales in 2022/2023.

Morriston weather averages

Check the Morriston 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 Morriston, Swansea Area, Wales.

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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Morriston weather by month

Check the weather for Morriston, Swansea Area, Wales 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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Morriston weather in January

The average maximum daytime temperature in Morriston in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Morriston during January.

  • 6°C maximum daytime temperature in January in Morriston6
    6°C max day temperature
  • 2 hours of sunshine per day in January in Morriston2
    2 hours of sunshine per day
  • 21 days with some rainfall in January in Morriston21
    21 days with some rainfall
  • 2°C minimum night-time temperature in January in Morriston2
    2°C min night temperature
  • 227 mm monthly rainfall in January in Morriston227
    227 mm of monthly rainfall

On average 227 mm (8.9 inches) of rain normally falls in Morriston during January with rain falling on 21 days of the month.

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Morriston weather in February

The average maximum daytime temperature in Morriston in February is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Morriston during February.

  • 6°C maximum daytime temperature in February in Morriston6
    6°C max day temperature
  • 3 hours of sunshine per day in February in Morriston3
    3 hours of sunshine per day
  • 17 days with some rainfall in February in Morriston17
    17 days with some rainfall
  • 2°C minimum night-time temperature in February in Morriston2
    2°C min night temperature
  • 157 mm monthly rainfall in February in Morriston157
    157 mm of monthly rainfall

On average 157 mm (6.2 inches) of rain normally falls in Morriston during February with rain falling on 17 days of the month.

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Morriston weather in March

The average maximum daytime temperature in Morriston in March 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 4 hours of sunshine a day in Morriston during March.

  • 8°C maximum daytime temperature in March in Morriston8
    8°C max day temperature
  • 4 hours of sunshine per day in March in Morriston4
    4 hours of sunshine per day
  • 18 days with some rainfall in March in Morriston18
    18 days with some rainfall
  • 3°C minimum night-time temperature in March in Morriston3
    3°C min night temperature
  • 162 mm monthly rainfall in March in Morriston162
    162 mm of monthly rainfall

On average 162 mm (6.4 inches) of rain normally falls in Morriston during March with rain falling on 18 days of the month.

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Morriston weather in April

The average maximum daytime temperature in Morriston in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 6 hours of sunshine a day in Morriston during April.

  • 11°C maximum daytime temperature in April in Morriston11
    11°C max day temperature
  • 6 hours of sunshine per day in April in Morriston6
    6 hours of sunshine per day
  • 15 days with some rainfall in April in Morriston15
    15 days with some rainfall
  • 4°C minimum night-time temperature in April in Morriston4
    4°C min night temperature
  • 113 mm monthly rainfall in April in Morriston113
    113 mm of monthly rainfall

On average 113 mm (4.4 inches) of rain normally falls in Morriston during April with rain falling on 15 days of the month.

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Morriston weather in May

The average maximum daytime temperature in Morriston in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 7 hours of sunshine a day in Morriston during May.

  • 14°C maximum daytime temperature in May in Morriston14
    14°C max day temperature
  • 7 hours of sunshine per day in May in Morriston7
    7 hours of sunshine per day
  • 14 days with some rainfall in May in Morriston14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Morriston7
    7°C min night temperature
  • 105 mm monthly rainfall in May in Morriston105
    105 mm of monthly rainfall

On average 105 mm (4.1 inches) of rain normally falls in Morriston during May with rain falling on 14 days of the month.

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Morriston weather in June

The average maximum daytime temperature in Morriston in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 7 hours of sunshine a day in Morriston during June.

  • 17°C maximum daytime temperature in June in Morriston17
    17°C max day temperature
  • 7 hours of sunshine per day in June in Morriston7
    7 hours of sunshine per day
  • 15 days with some rainfall in June in Morriston15
    15 days with some rainfall
  • 9°C minimum night-time temperature in June in Morriston9
    9°C min night temperature
  • 118 mm monthly rainfall in June in Morriston118
    118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Morriston during June with rain falling on 15 days of the month.

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Morriston weather in July

The average maximum daytime temperature in Morriston in July is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Morriston during July.

  • 19°C maximum daytime temperature in July in Morriston19
    19°C max day temperature
  • 6 hours of sunshine per day in July in Morriston6
    6 hours of sunshine per day
  • 14 days with some rainfall in July in Morriston14
    14 days with some rainfall
  • 12°C minimum night-time temperature in July in Morriston12
    12°C min night temperature
  • 104 mm monthly rainfall in July in Morriston104
    104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Morriston during July with rain falling on 14 days of the month.

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Morriston weather in August

The average maximum daytime temperature in Morriston in August is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Morriston during August.

  • 19°C maximum daytime temperature in August in Morriston19
    19°C max day temperature
  • 6 hours of sunshine per day in August in Morriston6
    6 hours of sunshine per day
  • 16 days with some rainfall in August in Morriston16
    16 days with some rainfall
  • 12°C minimum night-time temperature in August in Morriston12
    12°C min night temperature
  • 152 mm monthly rainfall in August in Morriston152
    152 mm of monthly rainfall

On average 152 mm (6 inches) of rain normally falls in Morriston during August with rain falling on 16 days of the month.

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Morriston weather in September

The average maximum daytime temperature in Morriston in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Morriston during September.

  • 16°C maximum daytime temperature in September in Morriston16
    16°C max day temperature
  • 5 hours of sunshine per day in September in Morriston5
    5 hours of sunshine per day
  • 17 days with some rainfall in September in Morriston17
    17 days with some rainfall
  • 10°C minimum night-time temperature in September in Morriston10
    10°C min night temperature
  • 165 mm monthly rainfall in September in Morriston165
    165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Morriston during September with rain falling on 17 days of the month.

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Morriston weather in October

The average maximum daytime temperature in Morriston in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Morriston during October.

  • 13°C maximum daytime temperature in October in Morriston13
    13°C max day temperature
  • 3 hours of sunshine per day in October in Morriston3
    3 hours of sunshine per day
  • 19 days with some rainfall in October in Morriston19
    19 days with some rainfall
  • 7°C minimum night-time temperature in October in Morriston7
    7°C min night temperature
  • 200 mm monthly rainfall in October in Morriston200
    200 mm of monthly rainfall

On average 200 mm (7.9 inches) of rain normally falls in Morriston during October with rain falling on 19 days of the month.

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Morriston weather in November

The average maximum daytime temperature in Morriston in November 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 Morriston during November.

  • 9°C maximum daytime temperature in November in Morriston9
    9°C max day temperature
  • 2 hours of sunshine per day in November in Morriston2
    2 hours of sunshine per day
  • 20 days with some rainfall in November in Morriston20
    20 days with some rainfall
  • 4°C minimum night-time temperature in November in Morriston4
    4°C min night temperature
  • 225 mm monthly rainfall in November in Morriston225
    225 mm of monthly rainfall

On average 225 mm (8.9 inches) of rain normally falls in Morriston during November with rain falling on 20 days of the month.

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Morriston weather in December

The average maximum daytime temperature in Morriston in December 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 Morriston during December.

  • 7°C maximum daytime temperature in December in Morriston7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Morriston2
    2 hours of sunshine per day
  • 21 days with some rainfall in December in Morriston21
    21 days with some rainfall
  • 3°C minimum night-time temperature in December in Morriston3
    3°C min night temperature
  • 243 mm monthly rainfall in December in Morriston243
    243 mm of monthly rainfall

On average 243 mm (9.6 inches) of rain normally falls in Morriston during December with rain falling on 21 days of the month.

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