Farnham weather

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

• Farnham weather averages
• Farnham weather by month
• Back to Surrey
• Back to England

Farnham weather averages

Check the Farnham 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 Farnham, Surrey, England.

Back to top

Farnham weather by month

Check the weather for Farnham, Surrey, 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

Back to top

Farnham weather in January

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

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 16
  16 days with some rainfall
• 1
  1°C min night temperature
• 79
  79 mm of monthly rainfall

On average 79 mm (3.1 inches) of rain normally falls in Farnham during January with rain falling on 16 days of the month.

Back to months

Farnham weather in February

The average maximum daytime temperature in Farnham 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 Farnham 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
• 53
  53 mm of monthly rainfall

On average 53 mm (2.1 inches) of rain normally falls in Farnham during February with rain falling on 14 days of the month.

Back to months

Farnham weather in March

The average maximum daytime temperature in Farnham in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 4 hours of sunshine a day in Farnham during March.

• 10
  10°C max day temperature
• 4
  4 hours of sunshine per day
• 15
  15 days with some rainfall
• 2
  2°C min night temperature
• 61
  61 mm of monthly rainfall

On average 61 mm (2.4 inches) of rain normally falls in Farnham during March with rain falling on 15 days of the month.

Back to months

Farnham weather in April

The average maximum daytime temperature in Farnham in April is a cool 12°C (54°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 Farnham during April.

• 12
  12°C max day temperature
• 5
  5 hours of sunshine per day
• 13
  13 days with some rainfall
• 4
  4°C min night temperature
• 54
  54 mm of monthly rainfall

On average 54 mm (2.1 inches) of rain normally falls in Farnham during April with rain falling on 13 days of the month.

Back to months

Farnham weather in May

The average maximum daytime temperature in Farnham in May is a comfortable 16°C (61°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 Farnham during May.

• 16
  16°C max day temperature
• 6
  6 hours of sunshine per day
• 12
  12 days with some rainfall
• 6
  6°C min night temperature
• 56
  56 mm of monthly rainfall

On average 56 mm (2.2 inches) of rain normally falls in Farnham during May with rain falling on 12 days of the month.

Back to months

Farnham weather in June

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

• 19
  19°C max day temperature
• 7
  7 hours of sunshine per day
• 11
  11 days with some rainfall
• 9
  9°C min night temperature
• 54
  54 mm of monthly rainfall

On average 54 mm (2.1 inches) of rain normally falls in Farnham during June with rain falling on 11 days of the month.

Back to months

Farnham weather in July

The average maximum daytime temperature in Farnham in July is a warm 22°C (72°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 Farnham during July.

• 22
  22°C max day temperature
• 6
  6 hours of sunshine per day
• 10
  10 days with some rainfall
• 12
  12°C min night temperature
• 45
  45 mm of monthly rainfall

On average 45 mm (1.8 inches) of rain normally falls in Farnham during July with rain falling on 10 days of the month.

Back to months

Farnham weather in August

The average maximum daytime temperature in Farnham in August is a warm 22°C (72°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 6 hours of sunshine a day in Farnham during August.

• 22
  22°C max day temperature
• 6
  6 hours of sunshine per day
• 11
  11 days with some rainfall
• 11
  11°C min night temperature
• 53
  53 mm of monthly rainfall

On average 53 mm (2.1 inches) of rain normally falls in Farnham during August with rain falling on 11 days of the month.

Back to months

Farnham weather in September

The average maximum daytime temperature in Farnham in September 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 5 hours of sunshine a day in Farnham during September.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 12
  12 days with some rainfall
• 9
  9°C min night temperature
• 70
  70 mm of monthly rainfall

On average 70 mm (2.8 inches) of rain normally falls in Farnham during September with rain falling on 12 days of the month.

Back to months

Farnham weather in October

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

• 14
  14°C max day temperature
• 3
  3 hours of sunshine per day
• 14
  14 days with some rainfall
• 6
  6°C min night temperature
• 77
  77 mm of monthly rainfall

On average 77 mm (3 inches) of rain normally falls in Farnham during October with rain falling on 14 days of the month.

Back to months

Farnham weather in November

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

• 10
  10°C max day temperature
• 2
  2 hours of sunshine per day
• 15
  15 days with some rainfall
• 3
  3°C min night temperature
• 75
  75 mm of monthly rainfall

On average 75 mm (3 inches) of rain normally falls in Farnham during November with rain falling on 15 days of the month.

Back to months

Farnham weather in December

The average maximum daytime temperature in Farnham in December 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 2 hours of sunshine a day in Farnham during December.

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 16
  16 days with some rainfall
• 2
  2°C min night temperature
• 81
  81 mm of monthly rainfall

On average 81 mm (3.2 inches) of rain normally falls in Farnham during December with rain falling on 16 days of the month.

Back to months