Alnwick weather

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

• Alnwick weather averages
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Alnwick weather averages

Check the Alnwick 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 Alnwick, Northumberland, England.

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Alnwick weather by month

Check the weather for Alnwick, Northumberland, 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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Alnwick weather in January

The average maximum daytime temperature in Alnwick in January 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 Alnwick during January.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 18
  18 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 Alnwick during January with rain falling on 18 days of the month.

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Alnwick weather in February

The average maximum daytime temperature in Alnwick 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 Alnwick 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
• 50
  50 mm of monthly rainfall

On average 50 mm (2 inches) of rain normally falls in Alnwick during February with rain falling on 15 days of the month.

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Alnwick weather in March

The average maximum daytime temperature in Alnwick 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 Alnwick during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 17
  17 days with some rainfall
• 2
  2°C min night temperature
• 60
  60 mm of monthly rainfall

On average 60 mm (2.4 inches) of rain normally falls in Alnwick during March with rain falling on 17 days of the month.

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Alnwick weather in April

The average maximum daytime temperature in Alnwick in April is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 5 hours of sunshine a day in Alnwick during April.

• 10
  10°C max day temperature
• 5
  5 hours of sunshine per day
• 14
  14 days with some rainfall
• 3
  3°C min night temperature
• 54
  54 mm of monthly rainfall

On average 54 mm (2.1 inches) of rain normally falls in Alnwick during April with rain falling on 14 days of the month.

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Alnwick weather in May

The average maximum daytime temperature in Alnwick in May is a cool 13°C (55°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 Alnwick during May.

• 13
  13°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 6
  6°C min night temperature
• 54
  54 mm of monthly rainfall

On average 54 mm (2.1 inches) of rain normally falls in Alnwick during May with rain falling on 14 days of the month.

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Alnwick weather in June

The average maximum daytime temperature in Alnwick in June 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 6 hours of sunshine a day in Alnwick during June.

• 16
  16°C max day temperature
• 6
  6 hours of sunshine per day
• 14
  14 days with some rainfall
• 8
  8°C min night temperature
• 56
  56 mm of monthly rainfall

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

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Alnwick weather in July

The average maximum daytime temperature in Alnwick 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 Alnwick 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
• 52
  52 mm of monthly rainfall

On average 52 mm (2 inches) of rain normally falls in Alnwick during July with rain falling on 14 days of the month.

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Alnwick weather in August

The average maximum daytime temperature in Alnwick in August 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 Alnwick during August.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 14
  14 days with some rainfall
• 11
  11°C min night temperature
• 61
  61 mm of monthly rainfall

On average 61 mm (2.4 inches) of rain normally falls in Alnwick during August with rain falling on 14 days of the month.

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Alnwick weather in September

The average maximum daytime temperature in Alnwick in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Alnwick during September.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 14
  14 days with some rainfall
• 9
  9°C min night temperature
• 63
  63 mm of monthly rainfall

On average 63 mm (2.5 inches) of rain normally falls in Alnwick during September with rain falling on 14 days of the month.

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Alnwick weather in October

The average maximum daytime temperature in Alnwick 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 Alnwick during October.

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 17
  17 days with some rainfall
• 6
  6°C min night temperature
• 61
  61 mm of monthly rainfall

On average 61 mm (2.4 inches) of rain normally falls in Alnwick during October with rain falling on 17 days of the month.

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Alnwick weather in November

The average maximum daytime temperature in Alnwick 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 Alnwick 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
• 72
  72 mm of monthly rainfall

On average 72 mm (2.8 inches) of rain normally falls in Alnwick during November with rain falling on 18 days of the month.

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Alnwick weather in December

The average maximum daytime temperature in Alnwick in December is a cold 7°C (45°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 Alnwick during December.

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 17
  17 days with some rainfall
• 2
  2°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Alnwick during December with rain falling on 17 days of the month.

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