Saint Just weather

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

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Saint Just weather averages

Check the Saint Just 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 Just, Cornwall, England.

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Saint Just weather by month

Check the weather for Saint Just, 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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Saint Just weather in January

The average maximum daytime temperature in Saint Just 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 Just 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
• 160
  160 mm of monthly rainfall

On average 160 mm (6.3 inches) of rain normally falls in Saint Just during January with rain falling on 20 days of the month.

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Saint Just weather in February

The average maximum daytime temperature in Saint Just 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 Just 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
• 119
  119 mm of monthly rainfall

On average 119 mm (4.7 inches) of rain normally falls in Saint Just during February with rain falling on 17 days of the month.

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Saint Just weather in March

The average maximum daytime temperature in Saint Just in March is a cool 11°C (52°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 Just during March.

• 11
  11°C max day temperature
• 4
  4 hours of sunshine per day
• 17
  17 days with some rainfall
• 5
  5°C min night temperature
• 106
  106 mm of monthly rainfall

On average 106 mm (4.2 inches) of rain normally falls in Saint Just during March with rain falling on 17 days of the month.

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Saint Just weather in April

The average maximum daytime temperature in Saint Just 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 Just during April.

• 12
  12°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 6
  6°C min night temperature
• 81
  81 mm of monthly rainfall

On average 81 mm (3.2 inches) of rain normally falls in Saint Just during April with rain falling on 15 days of the month.

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Saint Just weather in May

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

• 15
  15°C max day temperature
• 7
  7 hours of sunshine per day
• 14
  14 days with some rainfall
• 8
  8°C min night temperature
• 83
  83 mm of monthly rainfall

On average 83 mm (3.3 inches) of rain normally falls in Saint Just during May with rain falling on 14 days of the month.

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Saint Just weather in June

The average maximum daytime temperature in Saint Just 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 Saint Just during June.

• 18
  18°C max day temperature
• 7
  7 hours of sunshine per day
• 13
  13 days with some rainfall
• 11
  11°C min night temperature
• 75
  75 mm of monthly rainfall

On average 75 mm (3 inches) of rain normally falls in Saint Just during June with rain falling on 13 days of the month.

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Saint Just weather in July

The average maximum daytime temperature in Saint Just 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 Just 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 Saint Just during July with rain falling on 12 days of the month.

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Saint Just weather in August

The average maximum daytime temperature in Saint Just 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 Just during August.

• 20
  20°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 13
  13°C min night temperature
• 92
  92 mm of monthly rainfall

On average 92 mm (3.6 inches) of rain normally falls in Saint Just during August with rain falling on 14 days of the month.

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Saint Just weather in September

The average maximum daytime temperature in Saint Just 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 Saint Just during September.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• 11
  11°C min night temperature
• 110
  110 mm of monthly rainfall

On average 110 mm (4.3 inches) of rain normally falls in Saint Just during September with rain falling on 15 days of the month.

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Saint Just weather in October

The average maximum daytime temperature in Saint Just in October is a comfortable 15°C (59°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 Just during October.

• 15
  15°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 9
  9°C min night temperature
• 145
  145 mm of monthly rainfall

On average 145 mm (5.7 inches) of rain normally falls in Saint Just during October with rain falling on 18 days of the month.

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Saint Just weather in November

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

• 12
  12°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 6
  6°C min night temperature
• 150
  150 mm of monthly rainfall

On average 150 mm (5.9 inches) of rain normally falls in Saint Just during November with rain falling on 19 days of the month.

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Saint Just weather in December

The average maximum daytime temperature in Saint Just 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 Just 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
• 171
  171 mm of monthly rainfall

On average 171 mm (6.7 inches) of rain normally falls in Saint Just during December with rain falling on 20 days of the month.

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