Saint Dennis weather

The Saint Dennis weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Saint Dennis, Cornwall, England in 2019/2020.

Saint Dennis weather averages

Check the Saint Dennis 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 Saint Dennis, Cornwall, 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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Saint Dennis weather by month

Check the weather for Saint Dennis, Cornwall, 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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Saint Dennis weather in January

The average maximum daytime temperature in Saint Dennis in January 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 Saint Dennis during January.

  • 9°C maximum daytime temperature in January in Saint Dennis9
    9°C max day temperature
  • 2 hours of sunshine per day in January in Saint Dennis2
    2 hours of sunshine per day
  • 20 days with some rainfall in January in Saint Dennis20
    20 days with some rainfall
  • 4°C minimum night-time temperature in January in Saint Dennis4
    4°C min night temperature
  • 141 mm monthly rainfall in January in Saint Dennis141
    141 mm of monthly rainfall

On average 141 mm (5.6 inches) of rain normally falls in Saint Dennis during January with rain falling on 20 days of the month.

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Saint Dennis weather in February

The average maximum daytime temperature in Saint Dennis in February 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 3 hours of sunshine a day in Saint Dennis during February.

  • 9°C maximum daytime temperature in February in Saint Dennis9
    9°C max day temperature
  • 3 hours of sunshine per day in February in Saint Dennis3
    3 hours of sunshine per day
  • 17 days with some rainfall in February in Saint Dennis17
    17 days with some rainfall
  • 4°C minimum night-time temperature in February in Saint Dennis4
    4°C min night temperature
  • 103 mm monthly rainfall in February in Saint Dennis103
    103 mm of monthly rainfall

On average 103 mm (4.1 inches) of rain normally falls in Saint Dennis during February with rain falling on 17 days of the month.

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Saint Dennis weather in March

The average maximum daytime temperature in Saint Dennis in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 4 hours of sunshine a day in Saint Dennis during March.

  • 10°C maximum daytime temperature in March in Saint Dennis10
    10°C max day temperature
  • 4 hours of sunshine per day in March in Saint Dennis4
    4 hours of sunshine per day
  • 17 days with some rainfall in March in Saint Dennis17
    17 days with some rainfall
  • 5°C minimum night-time temperature in March in Saint Dennis5
    5°C min night temperature
  • 96 mm monthly rainfall in March in Saint Dennis96
    96 mm of monthly rainfall

On average 96 mm (3.8 inches) of rain normally falls in Saint Dennis during March with rain falling on 17 days of the month.

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Saint Dennis weather in April

The average maximum daytime temperature in Saint Dennis in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Saint Dennis during April.

  • 12°C maximum daytime temperature in April in Saint Dennis12
    12°C max day temperature
  • 6 hours of sunshine per day in April in Saint Dennis6
    6 hours of sunshine per day
  • 13 days with some rainfall in April in Saint Dennis13
    13 days with some rainfall
  • 6°C minimum night-time temperature in April in Saint Dennis6
    6°C min night temperature
  • 67 mm monthly rainfall in April in Saint Dennis67
    67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Saint Dennis during April with rain falling on 13 days of the month.

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Saint Dennis weather in May

The average maximum daytime temperature in Saint Dennis 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 Saint Dennis during May.

  • 15°C maximum daytime temperature in May in Saint Dennis15
    15°C max day temperature
  • 7 hours of sunshine per day in May in Saint Dennis7
    7 hours of sunshine per day
  • 13 days with some rainfall in May in Saint Dennis13
    13 days with some rainfall
  • 8°C minimum night-time temperature in May in Saint Dennis8
    8°C min night temperature
  • 67 mm monthly rainfall in May in Saint Dennis67
    67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Saint Dennis during May with rain falling on 13 days of the month.

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Saint Dennis weather in June

The average maximum daytime temperature in Saint Dennis in June is a comfortable 17°C (63°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 Saint Dennis during June.

  • 17°C maximum daytime temperature in June in Saint Dennis17
    17°C max day temperature
  • 7 hours of sunshine per day in June in Saint Dennis7
    7 hours of sunshine per day
  • 12 days with some rainfall in June in Saint Dennis12
    12 days with some rainfall
  • 11°C minimum night-time temperature in June in Saint Dennis11
    11°C min night temperature
  • 71 mm monthly rainfall in June in Saint Dennis71
    71 mm of monthly rainfall

On average 71 mm (2.8 inches) of rain normally falls in Saint Dennis during June with rain falling on 12 days of the month.

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Saint Dennis weather in July

The average maximum daytime temperature in Saint Dennis in July is a comfortable 20°C (68°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 Saint Dennis during July.

  • 20°C maximum daytime temperature in July in Saint Dennis20
    20°C max day temperature
  • 7 hours of sunshine per day in July in Saint Dennis7
    7 hours of sunshine per day
  • 12 days with some rainfall in July in Saint Dennis12
    12 days with some rainfall
  • 13°C minimum night-time temperature in July in Saint Dennis13
    13°C min night temperature
  • 66 mm monthly rainfall in July in Saint Dennis66
    66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Saint Dennis during July with rain falling on 12 days of the month.

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Saint Dennis weather in August

The average maximum daytime temperature in Saint Dennis in August is a comfortable 20°C (68°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 Saint Dennis during August.

  • 20°C maximum daytime temperature in August in Saint Dennis20
    20°C max day temperature
  • 6 hours of sunshine per day in August in Saint Dennis6
    6 hours of sunshine per day
  • 13 days with some rainfall in August in Saint Dennis13
    13 days with some rainfall
  • 13°C minimum night-time temperature in August in Saint Dennis13
    13°C min night temperature
  • 85 mm monthly rainfall in August in Saint Dennis85
    85 mm of monthly rainfall

On average 85 mm (3.3 inches) of rain normally falls in Saint Dennis during August with rain falling on 13 days of the month.

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Saint Dennis weather in September

The average maximum daytime temperature in Saint Dennis in September is a comfortable 17°C (63°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 Saint Dennis during September.

  • 17°C maximum daytime temperature in September in Saint Dennis17
    17°C max day temperature
  • 5 hours of sunshine per day in September in Saint Dennis5
    5 hours of sunshine per day
  • 15 days with some rainfall in September in Saint Dennis15
    15 days with some rainfall
  • 11°C minimum night-time temperature in September in Saint Dennis11
    11°C min night temperature
  • 94 mm monthly rainfall in September in Saint Dennis94
    94 mm of monthly rainfall

On average 94 mm (3.7 inches) of rain normally falls in Saint Dennis during September with rain falling on 15 days of the month.

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Saint Dennis weather in October

The average maximum daytime temperature in Saint Dennis 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 3 hours of sunshine a day in Saint Dennis during October.

  • 14°C maximum daytime temperature in October in Saint Dennis14
    14°C max day temperature
  • 3 hours of sunshine per day in October in Saint Dennis3
    3 hours of sunshine per day
  • 18 days with some rainfall in October in Saint Dennis18
    18 days with some rainfall
  • 9°C minimum night-time temperature in October in Saint Dennis9
    9°C min night temperature
  • 121 mm monthly rainfall in October in Saint Dennis121
    121 mm of monthly rainfall

On average 121 mm (4.8 inches) of rain normally falls in Saint Dennis during October with rain falling on 18 days of the month.

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Saint Dennis weather in November

The average maximum daytime temperature in Saint Dennis 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 2 hours of sunshine a day in Saint Dennis during November.

  • 11°C maximum daytime temperature in November in Saint Dennis11
    11°C max day temperature
  • 2 hours of sunshine per day in November in Saint Dennis2
    2 hours of sunshine per day
  • 19 days with some rainfall in November in Saint Dennis19
    19 days with some rainfall
  • 6°C minimum night-time temperature in November in Saint Dennis6
    6°C min night temperature
  • 134 mm monthly rainfall in November in Saint Dennis134
    134 mm of monthly rainfall

On average 134 mm (5.3 inches) of rain normally falls in Saint Dennis during November with rain falling on 19 days of the month.

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Saint Dennis weather in December

The average maximum daytime temperature in Saint Dennis in December is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 2 hours of sunshine a day in Saint Dennis during December.

  • 10°C maximum daytime temperature in December in Saint Dennis10
    10°C max day temperature
  • 2 hours of sunshine per day in December in Saint Dennis2
    2 hours of sunshine per day
  • 20 days with some rainfall in December in Saint Dennis20
    20 days with some rainfall
  • 5°C minimum night-time temperature in December in Saint Dennis5
    5°C min night temperature
  • 144 mm monthly rainfall in December in Saint Dennis144
    144 mm of monthly rainfall

On average 144 mm (5.7 inches) of rain normally falls in Saint Dennis during December with rain falling on 20 days of the month.

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