Saint Helens weather
The Saint Helens weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Saint Helens, Merseyside, England in 2026/2027.
Saint Helens weather averages
Check the Saint Helens 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 Helens, Merseyside, England.
Saint Helens weather by month
Check the weather for Saint Helens, Merseyside, 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 Helens weather in January
The average maximum daytime temperature in Saint Helens in January 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 2 hours of sunshine a day in Saint Helens during January.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 19 days with some rainfall
19 - 2°C min night temperature
2 - 77 mm of monthly rainfall
77
On average 77 mm (3 inches) of rain normally falls in Saint Helens during January with rain falling on 19 days of the month.
Saint Helens weather in February
The average maximum daytime temperature in Saint Helens 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 2 hours of sunshine a day in Saint Helens during February.
- 7°C max day temperature7
- 2 hours of sunshine per day2
- 16 days with some rainfall
16 - 2°C min night temperature2
- 53 mm of monthly rainfall
53
On average 53 mm (2.1 inches) of rain normally falls in Saint Helens during February with rain falling on 16 days of the month.
Saint Helens weather in March
The average maximum daytime temperature in Saint Helens 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 3 hours of sunshine a day in Saint Helens during March.
- 9°C max day temperature
9 - 3 hours of sunshine per day
3 - 17 days with some rainfall17
- 3°C min night temperature3
- 62 mm of monthly rainfall62
On average 62 mm (2.4 inches) of rain normally falls in Saint Helens during March with rain falling on 17 days of the month.
Saint Helens weather in April
The average maximum daytime temperature in Saint Helens 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 Saint Helens during April.
- 12°C max day temperature
12 - 5 hours of sunshine per day
5 - 15 days with some rainfall
15 - 4°C min night temperature4
- 58 mm of monthly rainfall58
On average 58 mm (2.3 inches) of rain normally falls in Saint Helens during April with rain falling on 15 days of the month.
Saint Helens weather in May
The average maximum daytime temperature in Saint Helens 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 6 hours of sunshine a day in Saint Helens during May.
- 16°C max day temperature
16 - 6 hours of sunshine per day
6 - 15 days with some rainfall15
- 7°C min night temperature7
- 64 mm of monthly rainfall64
On average 64 mm (2.5 inches) of rain normally falls in Saint Helens during May with rain falling on 15 days of the month.
Saint Helens weather in June
The average maximum daytime temperature in Saint Helens 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 6 hours of sunshine a day in Saint Helens during June.
- 18°C max day temperature
18 - 6 hours of sunshine per day6
- 15 days with some rainfall15
- 10°C min night temperature10
- 69 mm of monthly rainfall69
On average 69 mm (2.7 inches) of rain normally falls in Saint Helens during June with rain falling on 15 days of the month.
Saint Helens weather in July
The average maximum daytime temperature in Saint Helens 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 6 hours of sunshine a day in Saint Helens during July.
- 20°C max day temperature20
- 6 hours of sunshine per day6
- 13 days with some rainfall13
- 12°C min night temperature12
- 57 mm of monthly rainfall57
On average 57 mm (2.2 inches) of rain normally falls in Saint Helens during July with rain falling on 13 days of the month.
Saint Helens weather in August
The average maximum daytime temperature in Saint Helens in August 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 5 hours of sunshine a day in Saint Helens during August.
- 20°C max day temperature20
- 5 hours of sunshine per day5
- 15 days with some rainfall15
- 12°C min night temperature12
- 73 mm of monthly rainfall73
On average 73 mm (2.9 inches) of rain normally falls in Saint Helens during August with rain falling on 15 days of the month.
Saint Helens weather in September
The average maximum daytime temperature in Saint Helens 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 4 hours of sunshine a day in Saint Helens during September.
- 17°C max day temperature17
- 4 hours of sunshine per day
4 - 15 days with some rainfall15
- 10°C min night temperature10
- 79 mm of monthly rainfall79
On average 79 mm (3.1 inches) of rain normally falls in Saint Helens during September with rain falling on 15 days of the month.
Saint Helens weather in October
The average maximum daytime temperature in Saint Helens in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Saint Helens during October.
- 13°C max day temperature13
- 3 hours of sunshine per day3
- 18 days with some rainfall18
- 7°C min night temperature7
- 82 mm of monthly rainfall
82
On average 82 mm (3.2 inches) of rain normally falls in Saint Helens during October with rain falling on 18 days of the month.
Saint Helens weather in November
The average maximum daytime temperature in Saint Helens in November 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 2 hours of sunshine a day in Saint Helens during November.
- 9°C max day temperature9
- 2 hours of sunshine per day2
- 19 days with some rainfall19
- 4°C min night temperature4
- 85 mm of monthly rainfall85
On average 85 mm (3.3 inches) of rain normally falls in Saint Helens during November with rain falling on 19 days of the month.
Saint Helens weather in December
The average maximum daytime temperature in Saint Helens in December 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 1 hours of sunshine a day in Saint Helens during December.
- 7°C max day temperature7
- 1 hour of sunshine per day
1 - 18 days with some rainfall18
- 2°C min night temperature2
- 83 mm of monthly rainfall83
On average 83 mm (3.3 inches) of rain normally falls in Saint Helens during December with rain falling on 18 days of the month.