Castleside weather

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

• Castleside weather averages
• Castleside weather by month
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Castleside weather averages

Check the Castleside 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 Castleside, County Durham, England.

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Castleside weather by month

Check the weather for Castleside, County Durham, 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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Castleside weather in January

The average maximum daytime temperature in Castleside in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 0°C (32°F). You can expect on average 2 hours of sunshine a day in Castleside during January.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 0
  0°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Castleside during January with rain falling on 19 days of the month.

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Castleside weather in February

The average maximum daytime temperature in Castleside in February is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Castleside during February.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 15
  15 days with some rainfall
• 1
  1°C min night temperature
• 51
  51 mm of monthly rainfall

On average 51 mm (2 inches) of rain normally falls in Castleside during February with rain falling on 15 days of the month.

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Castleside weather in March

The average maximum daytime temperature in Castleside in March is a cool 8°C (46°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 Castleside during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 2
  2°C min night temperature
• 59
  59 mm of monthly rainfall

On average 59 mm (2.3 inches) of rain normally falls in Castleside during March with rain falling on 18 days of the month.

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Castleside weather in April

The average maximum daytime temperature in Castleside in April is a cool 11°C (52°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 Castleside during April.

• 11
  11°C max day temperature
• 4
  4 hours of sunshine per day
• 15
  15 days with some rainfall
• 3
  3°C min night temperature
• 58
  58 mm of monthly rainfall

On average 58 mm (2.3 inches) of rain normally falls in Castleside during April with rain falling on 15 days of the month.

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Castleside weather in May

The average maximum daytime temperature in Castleside in May is a comfortable 14°C (57°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 Castleside during May.

• 14
  14°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 5
  5°C min night temperature
• 56
  56 mm of monthly rainfall

On average 56 mm (2.2 inches) of rain normally falls in Castleside during May with rain falling on 14 days of the month.

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Castleside weather in June

The average maximum daytime temperature in Castleside in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 6 hours of sunshine a day in Castleside during June.

• 17
  17°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 8
  8°C min night temperature
• 57
  57 mm of monthly rainfall

On average 57 mm (2.2 inches) of rain normally falls in Castleside during June with rain falling on 14 days of the month.

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Castleside weather in July

The average maximum daytime temperature in Castleside in July is a comfortable 19°C (66°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 Castleside during July.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 14
  14 days with some rainfall
• 10
  10°C min night temperature
• 51
  51 mm of monthly rainfall

On average 51 mm (2 inches) of rain normally falls in Castleside during July with rain falling on 14 days of the month.

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Castleside weather in August

The average maximum daytime temperature in Castleside in August is a comfortable 19°C (66°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 Castleside during August.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• 10
  10°C min night temperature
• 59
  59 mm of monthly rainfall

On average 59 mm (2.3 inches) of rain normally falls in Castleside during August with rain falling on 15 days of the month.

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Castleside weather in September

The average maximum daytime temperature in Castleside in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 4 hours of sunshine a day in Castleside during September.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 15
  15 days with some rainfall
• 8
  8°C min night temperature
• 60
  60 mm of monthly rainfall

On average 60 mm (2.4 inches) of rain normally falls in Castleside during September with rain falling on 15 days of the month.

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Castleside weather in October

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

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 6
  6°C min night temperature
• 63
  63 mm of monthly rainfall

On average 63 mm (2.5 inches) of rain normally falls in Castleside during October with rain falling on 18 days of the month.

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Castleside weather in November

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

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 18
  18 days with some rainfall
• 3
  3°C min night temperature
• 65
  65 mm of monthly rainfall

On average 65 mm (2.6 inches) of rain normally falls in Castleside during November with rain falling on 18 days of the month.

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Castleside weather in December

The average maximum daytime temperature in Castleside in December is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Castleside during December.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 1
  1°C min night temperature
• 67
  67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Castleside during December with rain falling on 19 days of the month.

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