Saint Thomas weather
The Saint Thomas weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Saint Thomas, Devon, England in 2026/2027.
Saint Thomas weather averages
Check the Saint Thomas 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 Saint Thomas, Devon, England.
Saint Thomas weather by month
Check the weather for Saint Thomas, 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.
Saint Thomas weather in January
The average maximum daytime temperature in Saint Thomas 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 Saint Thomas during January.
- 8°C max day temperature
8 - 2 hours of sunshine per day
2 - 20 days with some rainfall
20 - 2°C min night temperature
2 - 181 mm of monthly rainfall
181
On average 181 mm (7.1 inches) of rain normally falls in Saint Thomas during January with rain falling on 20 days of the month.
Saint Thomas weather in February
The average maximum daytime temperature in Saint Thomas 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 Saint Thomas during February.
- 7°C max day temperature
7 - 3 hours of sunshine per day
3 - 16 days with some rainfall
16 - 2°C min night temperature2
- 134 mm of monthly rainfall
134
On average 134 mm (5.3 inches) of rain normally falls in Saint Thomas during February with rain falling on 16 days of the month.
Saint Thomas weather in March
The average maximum daytime temperature in Saint Thomas in March 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 4 hours of sunshine a day in Saint Thomas during March.
- 9°C max day temperature9
- 4 hours of sunshine per day
4 - 17 days with some rainfall17
- 3°C min night temperature3
- 120 mm of monthly rainfall
120
On average 120 mm (4.7 inches) of rain normally falls in Saint Thomas during March with rain falling on 17 days of the month.
Saint Thomas weather in April
The average maximum daytime temperature in Saint Thomas 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 Saint Thomas during April.
- 11°C max day temperature11
- 5 hours of sunshine per day
5 - 14 days with some rainfall
14 - 4°C min night temperature4
- 86 mm of monthly rainfall
86
On average 86 mm (3.4 inches) of rain normally falls in Saint Thomas during April with rain falling on 14 days of the month.
Saint Thomas weather in May
The average maximum daytime temperature in Saint Thomas 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 Saint Thomas during May.
- 15°C max day temperature
15 - 6 hours of sunshine per day
6 - 13 days with some rainfall13
- 7°C min night temperature7
- 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Saint Thomas during May with rain falling on 13 days of the month.
Saint Thomas weather in June
The average maximum daytime temperature in Saint Thomas in June is a comfortable 17°C (63°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 Saint Thomas during June.
- 17°C max day temperature17
- 7 hours of sunshine per day
7 - 12 days with some rainfall
12 - 10°C min night temperature10
- 81 mm of monthly rainfall81
On average 81 mm (3.2 inches) of rain normally falls in Saint Thomas during June with rain falling on 12 days of the month.
Saint Thomas weather in July
The average maximum daytime temperature in Saint Thomas 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 7 hours of sunshine a day in Saint Thomas during July.
- 20°C max day temperature
20 - 7 hours of sunshine per day7
- 12 days with some rainfall12
- 12°C min night temperature
12 - 64 mm of monthly rainfall64
On average 64 mm (2.5 inches) of rain normally falls in Saint Thomas during July with rain falling on 12 days of the month.
Saint Thomas weather in August
The average maximum daytime temperature in Saint Thomas in August is a comfortable 19°C (66°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 Saint Thomas during August.
- 19°C max day temperature19
- 6 hours of sunshine per day6
- 13 days with some rainfall13
- 12°C min night temperature12
- 92 mm of monthly rainfall92
On average 92 mm (3.6 inches) of rain normally falls in Saint Thomas during August with rain falling on 13 days of the month.
Saint Thomas weather in September
The average maximum daytime temperature in Saint Thomas in September is a comfortable 17°C (63°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 Saint Thomas during September.
- 17°C max day temperature17
- 5 hours of sunshine per day5
- 15 days with some rainfall15
- 10°C min night temperature10
- 108 mm of monthly rainfall108
On average 108 mm (4.3 inches) of rain normally falls in Saint Thomas during September with rain falling on 15 days of the month.
Saint Thomas weather in October
The average maximum daytime temperature in Saint Thomas 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 Saint Thomas during October.
- 14°C max day temperature14
- 3 hours of sunshine per day3
- 18 days with some rainfall18
- 8°C min night temperature8
- 147 mm of monthly rainfall
147
On average 147 mm (5.8 inches) of rain normally falls in Saint Thomas during October with rain falling on 18 days of the month.
Saint Thomas weather in November
The average maximum daytime temperature in Saint Thomas 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 Saint Thomas during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 19 days with some rainfall19
- 5°C min night temperature5
- 158 mm of monthly rainfall158
On average 158 mm (6.2 inches) of rain normally falls in Saint Thomas during November with rain falling on 19 days of the month.
Saint Thomas weather in December
The average maximum daytime temperature in Saint Thomas in December 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 Saint Thomas during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 20 days with some rainfall20
- 3°C min night temperature3
- 194 mm of monthly rainfall194
On average 194 mm (7.6 inches) of rain normally falls in Saint Thomas during December with rain falling on 20 days of the month.