Hartley weather
The Hartley weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Hartley, Devon, England in 2026/2027.
Hartley weather averages
Check the Hartley 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 Hartley, Devon, England.
Hartley weather by month
Check the weather for Hartley, 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.
Hartley weather in January
The average maximum daytime temperature in Hartley in January 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 Hartley during January.
- 8°C max day temperature
8 - 2 hours of sunshine per day
2 - 19 days with some rainfall
19 - 3°C min night temperature
3 - 165 mm of monthly rainfall
165
On average 165 mm (6.5 inches) of rain normally falls in Hartley during January with rain falling on 19 days of the month.
Hartley weather in February
The average maximum daytime temperature in Hartley in February 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 3 hours of sunshine a day in Hartley during February.
- 8°C max day temperature8
- 3 hours of sunshine per day
3 - 17 days with some rainfall
17 - 3°C min night temperature3
- 122 mm of monthly rainfall
122
On average 122 mm (4.8 inches) of rain normally falls in Hartley during February with rain falling on 17 days of the month.
Hartley weather in March
The average maximum daytime temperature in Hartley in March is a cool 10°C (50°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 Hartley during March.
- 10°C max day temperature10
- 4 hours of sunshine per day
4 - 18 days with some rainfall18
- 4°C min night temperature
4 - 113 mm of monthly rainfall
113
On average 113 mm (4.4 inches) of rain normally falls in Hartley during March with rain falling on 18 days of the month.
Hartley weather in April
The average maximum daytime temperature in Hartley 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 Hartley 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
- 81 mm of monthly rainfall
81
On average 81 mm (3.2 inches) of rain normally falls in Hartley during April with rain falling on 14 days of the month.
Hartley weather in May
The average maximum daytime temperature in Hartley 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 7 hours of sunshine a day in Hartley during May.
- 15°C max day temperature
15 - 7 hours of sunshine per day
7 - 14 days with some rainfall14
- 8°C min night temperature8
- 80 mm of monthly rainfall
80
On average 80 mm (3.1 inches) of rain normally falls in Hartley during May with rain falling on 14 days of the month.
Hartley weather in June
The average maximum daytime temperature in Hartley 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 Hartley during June.
- 18°C max day temperature
18 - 7 hours of sunshine per day7
- 13 days with some rainfall13
- 10°C min night temperature10
- 79 mm of monthly rainfall79
On average 79 mm (3.1 inches) of rain normally falls in Hartley during June with rain falling on 13 days of the month.
Hartley weather in July
The average maximum daytime temperature in Hartley 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 7 hours of sunshine a day in Hartley during July.
- 20°C max day temperature20
- 7 hours of sunshine per day7
- 12 days with some rainfall
12 - 13°C min night temperature13
- 70 mm of monthly rainfall70
On average 70 mm (2.8 inches) of rain normally falls in Hartley during July with rain falling on 12 days of the month.
Hartley weather in August
The average maximum daytime temperature in Hartley 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 Hartley during August.
- 20°C max day temperature20
- 6 hours of sunshine per day6
- 14 days with some rainfall14
- 13°C min night temperature13
- 95 mm of monthly rainfall95
On average 95 mm (3.7 inches) of rain normally falls in Hartley during August with rain falling on 14 days of the month.
Hartley weather in September
The average maximum daytime temperature in Hartley in September 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 Hartley during September.
- 18°C max day temperature18
- 5 hours of sunshine per day
5 - 15 days with some rainfall15
- 11°C min night temperature11
- 112 mm of monthly rainfall112
On average 112 mm (4.4 inches) of rain normally falls in Hartley during September with rain falling on 15 days of the month.
Hartley weather in October
The average maximum daytime temperature in Hartley in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 3 hours of sunshine a day in Hartley during October.
- 14°C max day temperature14
- 3 hours of sunshine per day3
- 17 days with some rainfall17
- 9°C min night temperature9
- 148 mm of monthly rainfall
148
On average 148 mm (5.8 inches) of rain normally falls in Hartley during October with rain falling on 17 days of the month.
Hartley weather in November
The average maximum daytime temperature in Hartley in November is a cool 11°C (52°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 Hartley during November.
- 11°C max day temperature11
- 3 hours of sunshine per day3
- 19 days with some rainfall19
- 6°C min night temperature6
- 158 mm of monthly rainfall158
On average 158 mm (6.2 inches) of rain normally falls in Hartley during November with rain falling on 19 days of the month.
Hartley weather in December
The average maximum daytime temperature in Hartley in December is a cool 9°C (48°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 Hartley during December.
- 9°C max day temperature9
- 2 hours of sunshine per day2
- 19 days with some rainfall19
- 5°C min night temperature5
- 179 mm of monthly rainfall179
On average 179 mm (7 inches) of rain normally falls in Hartley during December with rain falling on 19 days of the month.