Sleaford weather

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

• Sleaford weather averages
• Sleaford weather by month
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Sleaford weather averages

Check the Sleaford 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 Sleaford, Lincolnshire, England.

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Sleaford weather by month

Check the weather for Sleaford, Lincolnshire, 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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Sleaford weather in January

The average maximum daytime temperature in Sleaford 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 Sleaford 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
• 60
  60 mm of monthly rainfall

On average 60 mm (2.4 inches) of rain normally falls in Sleaford during January with rain falling on 18 days of the month.

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Sleaford weather in February

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

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 14
  14 days with some rainfall
• 1
  1°C min night temperature
• 42
  42 mm of monthly rainfall

On average 42 mm (1.7 inches) of rain normally falls in Sleaford during February with rain falling on 14 days of the month.

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Sleaford weather in March

The average maximum daytime temperature in Sleaford in March is a cool 9°C (48°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 Sleaford during March.

• 9
  9°C max day temperature
• 3
  3 hours of sunshine per day
• 16
  16 days with some rainfall
• 2
  2°C min night temperature
• 50
  50 mm of monthly rainfall

On average 50 mm (2 inches) of rain normally falls in Sleaford during March with rain falling on 16 days of the month.

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Sleaford weather in April

The average maximum daytime temperature in Sleaford in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Sleaford during April.

• 11
  11°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• 4
  4°C min night temperature
• 47
  47 mm of monthly rainfall

On average 47 mm (1.9 inches) of rain normally falls in Sleaford during April with rain falling on 15 days of the month.

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Sleaford weather in May

The average maximum daytime temperature in Sleaford in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 6 hours of sunshine a day in Sleaford during May.

• 15
  15°C max day temperature
• 6
  6 hours of sunshine per day
• 13
  13 days with some rainfall
• 7
  7°C min night temperature
• 49
  49 mm of monthly rainfall

On average 49 mm (1.9 inches) of rain normally falls in Sleaford during May with rain falling on 13 days of the month.

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Sleaford weather in June

The average maximum daytime temperature in Sleaford in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 7 hours of sunshine a day in Sleaford during June.

• 18
  18°C max day temperature
• 7
  7 hours of sunshine per day
• 13
  13 days with some rainfall
• 9
  9°C min night temperature
• 55
  55 mm of monthly rainfall

On average 55 mm (2.2 inches) of rain normally falls in Sleaford during June with rain falling on 13 days of the month.

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Sleaford weather in July

The average maximum daytime temperature in Sleaford in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Sleaford during July.

• 20
  20°C max day temperature
• 6
  6 hours of sunshine per day
• 11
  11 days with some rainfall
• 12
  12°C min night temperature
• 46
  46 mm of monthly rainfall

On average 46 mm (1.8 inches) of rain normally falls in Sleaford during July with rain falling on 11 days of the month.

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Sleaford weather in August

The average maximum daytime temperature in Sleaford in August is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Sleaford during August.

• 20
  20°C max day temperature
• 6
  6 hours of sunshine per day
• 12
  12 days with some rainfall
• 12
  12°C min night temperature
• 52
  52 mm of monthly rainfall

On average 52 mm (2 inches) of rain normally falls in Sleaford during August with rain falling on 12 days of the month.

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Sleaford weather in September

The average maximum daytime temperature in Sleaford in September is a comfortable 18°C (64°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 Sleaford during September.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 12
  12 days with some rainfall
• 10
  10°C min night temperature
• 58
  58 mm of monthly rainfall

On average 58 mm (2.3 inches) of rain normally falls in Sleaford during September with rain falling on 12 days of the month.

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Sleaford weather in October

The average maximum daytime temperature in Sleaford in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Sleaford during October.

• 13
  13°C max day temperature
• 3
  3 hours of sunshine per day
• 15
  15 days with some rainfall
• 7
  7°C min night temperature
• 58
  58 mm of monthly rainfall

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

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Sleaford weather in November

The average maximum daytime temperature in Sleaford in November is a cool 9°C (48°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 Sleaford during November.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 16
  16 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 Sleaford during November with rain falling on 16 days of the month.

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Sleaford weather in December

The average maximum daytime temperature in Sleaford 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 Sleaford 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
• 64
  64 mm of monthly rainfall

On average 64 mm (2.5 inches) of rain normally falls in Sleaford during December with rain falling on 17 days of the month.

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