Barnstable weather
The Barnstable weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Barnstable, Devon, England in 2026/2027.
Barnstable weather averages
Check the Barnstable 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 Barnstable, Devon, England.
Barnstable weather by month
Check the weather for Barnstable, Devon, 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.
Barnstable weather in January
The average maximum daytime temperature in Barnstable in January is a cold 7°C (45°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 Barnstable during January.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 20 days with some rainfall
20 - 3°C min night temperature
3 - 149 mm of monthly rainfall
149
On average 149 mm (5.9 inches) of rain normally falls in Barnstable during January with rain falling on 20 days of the month.
Barnstable weather in February
The average maximum daytime temperature in Barnstable in February 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 3 hours of sunshine a day in Barnstable during February.
- 7°C max day temperature7
- 3 hours of sunshine per day
3 - 16 days with some rainfall
16 - 2°C min night temperature2
- 105 mm of monthly rainfall
105
On average 105 mm (4.1 inches) of rain normally falls in Barnstable during February with rain falling on 16 days of the month.
Barnstable weather in March
The average maximum daytime temperature in Barnstable in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 4 hours of sunshine a day in Barnstable during March.
- 9°C max day temperature
9 - 4 hours of sunshine per day
4 - 18 days with some rainfall18
- 4°C min night temperature4
- 100 mm of monthly rainfall
100
On average 100 mm (3.9 inches) of rain normally falls in Barnstable during March with rain falling on 18 days of the month.
Barnstable weather in April
The average maximum daytime temperature in Barnstable in April is a cool 12°C (54°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 Barnstable during April.
- 12°C max day temperature
12 - 6 hours of sunshine per day
6 - 14 days with some rainfall
14 - 5°C min night temperature5
- 73 mm of monthly rainfall
73
On average 73 mm (2.9 inches) of rain normally falls in Barnstable during April with rain falling on 14 days of the month.
Barnstable weather in May
The average maximum daytime temperature in Barnstable in May is a comfortable 15°C (59°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 Barnstable during May.
- 15°C max day temperature
15 - 6 hours of sunshine per day6
- 14 days with some rainfall14
- 8°C min night temperature8
- 71 mm of monthly rainfall71
On average 71 mm (2.8 inches) of rain normally falls in Barnstable during May with rain falling on 14 days of the month.
Barnstable weather in June
The average maximum daytime temperature in Barnstable in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 7 hours of sunshine a day in Barnstable during June.
- 17°C max day temperature17
- 7 hours of sunshine per day
7 - 13 days with some rainfall13
- 11°C min night temperature11
- 83 mm of monthly rainfall83
On average 83 mm (3.3 inches) of rain normally falls in Barnstable during June with rain falling on 13 days of the month.
Barnstable weather in July
The average maximum daytime temperature in Barnstable in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 6 hours of sunshine a day in Barnstable during July.
- 20°C max day temperature
20 - 6 hours of sunshine per day6
- 13 days with some rainfall13
- 13°C min night temperature13
- 71 mm of monthly rainfall71
On average 71 mm (2.8 inches) of rain normally falls in Barnstable during July with rain falling on 13 days of the month.
Barnstable weather in August
The average maximum daytime temperature in Barnstable in August is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 6 hours of sunshine a day in Barnstable during August.
- 20°C max day temperature20
- 6 hours of sunshine per day6
- 14 days with some rainfall14
- 13°C min night temperature13
- 101 mm of monthly rainfall101
On average 101 mm (4 inches) of rain normally falls in Barnstable during August with rain falling on 14 days of the month.
Barnstable weather in September
The average maximum daytime temperature in Barnstable in September is a comfortable 17°C (63°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 Barnstable during September.
- 17°C max day temperature17
- 5 hours of sunshine per day
5 - 16 days with some rainfall16
- 11°C min night temperature11
- 110 mm of monthly rainfall110
On average 110 mm (4.3 inches) of rain normally falls in Barnstable during September with rain falling on 16 days of the month.
Barnstable weather in October
The average maximum daytime temperature in Barnstable in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 3 hours of sunshine a day in Barnstable during October.
- 14°C max day temperature14
- 3 hours of sunshine per day3
- 18 days with some rainfall18
- 8°C min night temperature8
- 137 mm of monthly rainfall
137
On average 137 mm (5.4 inches) of rain normally falls in Barnstable during October with rain falling on 18 days of the month.
Barnstable weather in November
The average maximum daytime temperature in Barnstable in November is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 2 hours of sunshine a day in Barnstable during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 19 days with some rainfall19
- 5°C min night temperature5
- 148 mm of monthly rainfall148
On average 148 mm (5.8 inches) of rain normally falls in Barnstable during November with rain falling on 19 days of the month.
Barnstable weather in December
The average maximum daytime temperature in Barnstable in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Barnstable during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 20 days with some rainfall20
- 4°C min night temperature4
- 157 mm of monthly rainfall157
On average 157 mm (6.2 inches) of rain normally falls in Barnstable during December with rain falling on 20 days of the month.