8 to 16°C
temperature
2273 hours
sunshine per day
390 mm
rain
190 days
dry
174 days
rain
1 day
snow

Climate of Port Saint Mary

Port Saint Mary has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Port Saint Mary is 12° degrees and there is about 390 mm of rain in a year. It is dry for 160 days a year with an average humidity of 81% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 8°C and 16°C
  • Night:the average nighttime temperature is between 6°C and 15°C
  • Sea temperature: the sea temperature is between 8°C and 16°C
  • Rain: it rains 174 days and there is a total of approximately 390 mm rainfall
  • Snow: it snows an average of 1 days per year
  • Sun hours: throughout the year there are 2273 sun hours
Maximum temperature: between 8°C and 16°C
Warmest month: 16°C in July
Coldest month: 8°C in January
Night temperature: between 6°C and 15°C
Sea temperature: between 8°C and 16°C
Dry days: 190 days
Days with rain: 174 days
Days with snow: 1 days
Total rain sum: 390 mm
Hours of sunshine: 2273 hours

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Port Saint Mary.

Precipitation graph

This graph shows the average amount of rainfall per month for Port Saint Mary.

Climate table of Port Saint Mary

In this climate table you can see at a glance what the average weather per month is for Port Saint Mary. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Port Saint Mary might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 8 8 8 10 12 14 16 16 15 14 12 10
Night temp. (°C) 7 6 7 8 10 13 14 15 14 12 10 8
Water temp. (°C) 10 8 8 10 11 14 16 16 15 14 12 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 29 24 32 20 23 24 32 37 30 42 52 45
Days with rain 15 13 13 13 13 11 16 16 13 17 17 17
Days with snow - 1 - - - - - - - - - -
Dry days 16 14 18 17 18 19 15 15 17 14 13 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 4 6 8 8 8 8 8 7 4 4 4
Wind force (Bft) 5 5 5 4 4 4 4 4 5 5 5 5
UV-index 2 2 2 3 4 4 4 4 4 4 3 3

Best time to visit Port Saint Mary

The best time to visit Port Saint Mary in Isle of Man is in July and August. In this period you have a mild temperature and almost no precipitation. The highest average temperature in Port Saint Mary is 16°C in July and the lowest is 8°C in January. The highest water temperature is 16°C and at its coldest the water is 8°C.

Climate of Port Saint Mary by month

What is the average climate in a given month for Port Saint Mary? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Port Saint Mary weather experiences

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