Grampound weather

The Grampound weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Grampound, Cornwall, England in 2026/2027.

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Grampound weather averages

Check the Grampound 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 Grampound, Cornwall, England.

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Grampound weather by month

Check the weather for Grampound, 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.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

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Grampound weather in January

The average maximum daytime temperature in Grampound 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 Grampound during January.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 20
  20 days with some rainfall
• 4
  4°C min night temperature
• 141
  141 mm of monthly rainfall

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

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Grampound weather in February

The average maximum daytime temperature in Grampound 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 Grampound during February.

• 9
  9°C max day temperature
• 3
  3 hours of sunshine per day
• 17
  17 days with some rainfall
• 4
  4°C min night temperature
• 103
  103 mm of monthly rainfall

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

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Grampound weather in March

The average maximum daytime temperature in Grampound 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 Grampound during March.

• 10
  10°C max day temperature
• 4
  4 hours of sunshine per day
• 17
  17 days with some rainfall
• 5
  5°C min night temperature
• 96
  96 mm of monthly rainfall

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

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Grampound weather in April

The average maximum daytime temperature in Grampound 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 Grampound during April.

• 12
  12°C max day temperature
• 6
  6 hours of sunshine per day
• 13
  13 days with some rainfall
• 6
  6°C min night temperature
• 67
  67 mm of monthly rainfall

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

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Grampound weather in May

The average maximum daytime temperature in Grampound 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 Grampound during May.

• 15
  15°C max day temperature
• 7
  7 hours of sunshine per day
• 13
  13 days with some rainfall
• 8
  8°C min night temperature
• 67
  67 mm of monthly rainfall

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

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Grampound weather in June

The average maximum daytime temperature in Grampound 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 Grampound during June.

• 17
  17°C max day temperature
• 7
  7 hours of sunshine per day
• 12
  12 days with some rainfall
• 11
  11°C min night temperature
• 71
  71 mm of monthly rainfall

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

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Grampound weather in July

The average maximum daytime temperature in Grampound 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 Grampound during July.

• 20
  20°C max day temperature
• 7
  7 hours of sunshine per day
• 12
  12 days with some rainfall
• 13
  13°C min night temperature
• 66
  66 mm of monthly rainfall

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

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Grampound weather in August

The average maximum daytime temperature in Grampound 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 Grampound during August.

• 20
  20°C max day temperature
• 6
  6 hours of sunshine per day
• 13
  13 days with some rainfall
• 13
  13°C min night temperature
• 85
  85 mm of monthly rainfall

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

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Grampound weather in September

The average maximum daytime temperature in Grampound 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 Grampound during September.

• 17
  17°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• 11
  11°C min night temperature
• 94
  94 mm of monthly rainfall

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

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Grampound weather in October

The average maximum daytime temperature in Grampound 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 Grampound during October.

• 14
  14°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 9
  9°C min night temperature
• 121
  121 mm of monthly rainfall

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

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Grampound weather in November

The average maximum daytime temperature in Grampound 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 Grampound during November.

• 11
  11°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 6
  6°C min night temperature
• 134
  134 mm of monthly rainfall

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

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Grampound weather in December

The average maximum daytime temperature in Grampound 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 Grampound during December.

• 10
  10°C max day temperature
• 2
  2 hours of sunshine per day
• 20
  20 days with some rainfall
• 5
  5°C min night temperature
• 144
  144 mm of monthly rainfall

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

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