Cadnam weather

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

• Cadnam weather averages
• Cadnam weather by month
• Back to Hampshire
• Back to England

Cadnam weather averages

Check the Cadnam 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 Cadnam, Hampshire, England.

Back to top

Cadnam weather by month

Check the weather for Cadnam, Hampshire, 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

Cadnam weather in January

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

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 17
  17 days with some rainfall
• 2
  2°C min night temperature
• 94
  94 mm of monthly rainfall

On average 94 mm (3.7 inches) of rain normally falls in Cadnam during January with rain falling on 17 days of the month.

Back to months

Cadnam weather in February

The average maximum daytime temperature in Cadnam in February 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 Cadnam during February.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 14
  14 days with some rainfall
• 2
  2°C min night temperature
• 68
  68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Cadnam during February with rain falling on 14 days of the month.

Back to months

Cadnam weather in March

The average maximum daytime temperature in Cadnam in March 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 4 hours of sunshine a day in Cadnam during March.

• 10
  10°C max day temperature
• 4
  4 hours of sunshine per day
• 15
  15 days with some rainfall
• 3
  3°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Cadnam during March with rain falling on 15 days of the month.

Back to months

Cadnam weather in April

The average maximum daytime temperature in Cadnam 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 6 hours of sunshine a day in Cadnam during April.

• 12
  12°C max day temperature
• 6
  6 hours of sunshine per day
• 12
  12 days with some rainfall
• 4
  4°C min night temperature
• 57
  57 mm of monthly rainfall

On average 57 mm (2.2 inches) of rain normally falls in Cadnam during April with rain falling on 12 days of the month.

Back to months

Cadnam weather in May

The average maximum daytime temperature in Cadnam in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 7 hours of sunshine a day in Cadnam during May.

• 16
  16°C max day temperature
• 7
  7 hours of sunshine per day
• 12
  12 days with some rainfall
• 7
  7°C min night temperature
• 52
  52 mm of monthly rainfall

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

Back to months

Cadnam weather in June

The average maximum daytime temperature in Cadnam in June 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 7 hours of sunshine a day in Cadnam during June.

• 18
  18°C max day temperature
• 7
  7 hours of sunshine per day
• 11
  11 days with some rainfall
• 10
  10°C min night temperature
• 56
  56 mm of monthly rainfall

On average 56 mm (2.2 inches) of rain normally falls in Cadnam during June with rain falling on 11 days of the month.

Back to months

Cadnam weather in July

The average maximum daytime temperature in Cadnam in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 7 hours of sunshine a day in Cadnam during July.

• 21
  21°C max day temperature
• 7
  7 hours of sunshine per day
• 9
  9 days with some rainfall
• 12
  12°C min night temperature
• 39
  39 mm of monthly rainfall

On average 39 mm (1.5 inches) of rain normally falls in Cadnam during July with rain falling on 9 days of the month.

Back to months

Cadnam weather in August

The average maximum daytime temperature in Cadnam in August is a comfortable 21°C (70°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 Cadnam during August.

• 21
  21°C max day temperature
• 6
  6 hours of sunshine per day
• 11
  11 days with some rainfall
• 12
  12°C min night temperature
• 58
  58 mm of monthly rainfall

On average 58 mm (2.3 inches) of rain normally falls in Cadnam during August with rain falling on 11 days of the month.

Back to months

Cadnam weather in September

The average maximum daytime temperature in Cadnam 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 Cadnam 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
• 73
  73 mm of monthly rainfall

On average 73 mm (2.9 inches) of rain normally falls in Cadnam during September with rain falling on 12 days of the month.

Back to months

Cadnam weather in October

The average maximum daytime temperature in Cadnam in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 4 hours of sunshine a day in Cadnam during October.

• 14
  14°C max day temperature
• 4
  4 hours of sunshine per day
• 15
  15 days with some rainfall
• 7
  7°C min night temperature
• 95
  95 mm of monthly rainfall

On average 95 mm (3.7 inches) of rain normally falls in Cadnam during October with rain falling on 15 days of the month.

Back to months

Cadnam weather in November

The average maximum daytime temperature in Cadnam in November 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 3 hours of sunshine a day in Cadnam during November.

• 11
  11°C max day temperature
• 3
  3 hours of sunshine per day
• 16
  16 days with some rainfall
• 4
  4°C min night temperature
• 93
  93 mm of monthly rainfall

On average 93 mm (3.7 inches) of rain normally falls in Cadnam during November with rain falling on 16 days of the month.

Back to months

Cadnam weather in December

The average maximum daytime temperature in Cadnam in December 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 Cadnam during December.

• 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
• 104
  104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Cadnam during December with rain falling on 16 days of the month.

Back to months