Port Erin weather
The Port Erin weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Port Erin, Isle of Man in 2026/2027.
Port Erin weather averages
Check the Port Erin 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 Port Erin, Isle of Man.
Port Erin weather by month
Check the weather for Port Erin, Isle of Man 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.
Port Erin weather in January
The average maximum daytime temperature in Port Erin in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Port Erin during January.
- 6°C max day temperature
6 - 2 hours of sunshine per day
2 - 21 days with some rainfall
21 - 1°C min night temperature
1 - 217 mm of monthly rainfall
217
On average 217 mm (8.5 inches) of rain normally falls in Port Erin during January with rain falling on 21 days of the month.
Port Erin weather in February
The average maximum daytime temperature in Port Erin in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 3 hours of sunshine a day in Port Erin during February.
- 7°C max day temperature7
- 3 hours of sunshine per day
3 - 17 days with some rainfall
17 - 1°C min night temperature1
- 154 mm of monthly rainfall
154
On average 154 mm (6.1 inches) of rain normally falls in Port Erin during February with rain falling on 17 days of the month.
Port Erin weather in March
The average maximum daytime temperature in Port Erin in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 4 hours of sunshine a day in Port Erin during March.
- 9°C max day temperature
9 - 4 hours of sunshine per day
4 - 19 days with some rainfall19
- 2°C min night temperature2
- 172 mm of monthly rainfall
172
On average 172 mm (6.8 inches) of rain normally falls in Port Erin during March with rain falling on 19 days of the month.
Port Erin weather in April
The average maximum daytime temperature in Port Erin 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 6 hours of sunshine a day in Port Erin during April.
- 11°C max day temperature11
- 6 hours of sunshine per day
6 - 16 days with some rainfall16
- 4°C min night temperature4
- 110 mm of monthly rainfall
110
On average 110 mm (4.3 inches) of rain normally falls in Port Erin during April with rain falling on 16 days of the month.
Port Erin weather in May
The average maximum daytime temperature in Port Erin in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 7 hours of sunshine a day in Port Erin during May.
- 14°C max day temperature
14 - 7 hours of sunshine per day
7 - 16 days with some rainfall16
- 6°C min night temperature6
- 103 mm of monthly rainfall103
On average 103 mm (4.1 inches) of rain normally falls in Port Erin during May with rain falling on 16 days of the month.
Port Erin weather in June
The average maximum daytime temperature in Port Erin in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 7 hours of sunshine a day in Port Erin during June.
- 17°C max day temperature
17 - 7 hours of sunshine per day7
- 15 days with some rainfall
15 - 9°C min night temperature9
- 107 mm of monthly rainfall107
On average 107 mm (4.2 inches) of rain normally falls in Port Erin during June with rain falling on 15 days of the month.
Port Erin weather in July
The average maximum daytime temperature in Port Erin in July is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 6 hours of sunshine a day in Port Erin during July.
- 19°C max day temperature
19 - 6 hours of sunshine per day6
- 15 days with some rainfall15
- 11°C min night temperature11
- 113 mm of monthly rainfall113
On average 113 mm (4.4 inches) of rain normally falls in Port Erin during July with rain falling on 15 days of the month.
Port Erin weather in August
The average maximum daytime temperature in Port Erin in August 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 Port Erin during August.
- 18°C max day temperature18
- 6 hours of sunshine per day6
- 17 days with some rainfall17
- 10°C min night temperature10
- 139 mm of monthly rainfall
139
On average 139 mm (5.5 inches) of rain normally falls in Port Erin during August with rain falling on 17 days of the month.
Port Erin weather in September
The average maximum daytime temperature in Port Erin in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Port Erin during September.
- 16°C max day temperature16
- 4 hours of sunshine per day4
- 17 days with some rainfall17
- 9°C min night temperature9
- 175 mm of monthly rainfall175
On average 175 mm (6.9 inches) of rain normally falls in Port Erin during September with rain falling on 17 days of the month.
Port Erin weather in October
The average maximum daytime temperature in Port Erin in October is a cool 13°C (55°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 Port Erin during October.
- 13°C max day temperature13
- 3 hours of sunshine per day3
- 20 days with some rainfall20
- 6°C min night temperature6
- 218 mm of monthly rainfall218
On average 218 mm (8.6 inches) of rain normally falls in Port Erin during October with rain falling on 20 days of the month.
Port Erin weather in November
The average maximum daytime temperature in Port Erin in November 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 Port Erin during November.
- 9°C max day temperature9
- 2 hours of sunshine per day2
- 21 days with some rainfall21
- 3°C min night temperature3
- 213 mm of monthly rainfall213
On average 213 mm (8.4 inches) of rain normally falls in Port Erin during November with rain falling on 21 days of the month.
Port Erin weather in December
The average maximum daytime temperature in Port Erin 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 Port Erin during December.
- 7°C max day temperature7
- 1 hour of sunshine per day
1 - 21 days with some rainfall21
- 2°C min night temperature2
- 236 mm of monthly rainfall
236
On average 236 mm (9.3 inches) of rain normally falls in Port Erin during December with rain falling on 21 days of the month.