Best year time to visit Port St Mary

General weather information about Port St Mary

Average annual temperature is 11.0 °C

Absolute maximum temperature: 24.4 °C

Absolute minimum temperature: -0.9 °C

Number of sunny days: 84 days

Number of rainy days: 281 days

* Weather data for Port St Mary Isle of Man is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.4	11.6	12.9	15.0	16.8	24.4	18.9	20.0	22.7	17.7	13.8	12.5
Average daytime temperature (°C)	8.4	9.0	8.4	10.5	13.8	18.5	16.2	16.7	17.2	13.7	10.3	9.6
Average temperature (°C)	7.0	7.8	6.7	8.4	11.5	15.7	14.5	15.0	15.3	12.2	8.8	8.3
Average night temperature (°C)	5.6	6.3	5.0	6.3	9.3	13.0	12.9	13.2	13.2	10.7	7.3	6.8
Absolute minimum temperature (°C)	1.0	2.5	-0.9	3.0	6.3	10.6	11.1	10.4	9.7	6.7	1.7	0.0

The best time to visit Port St Mary during the most sunny months:

Months with the longest average daylight duration in Port St Mary:

The largest precipitation sum in Port St Mary is at

March — 157(mm)

July — 173(mm)

September — 159(mm)

December — 194(mm)

When is the best time to visit Port St Mary?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Port St Mary.

What is the weather like in Port St Mary?

See average temperature, rainfall and daylight hours for Port St Mary by month in the table above.

How many sunny days does Port St Mary have?

The monthly weather statistics above show sunshine and rainfall patterns for Port St Mary throughout the year.