Best year time to visit St Mary's Bay

General weather information about St Mary's Bay

Average annual temperature is 12.0 °C

Absolute maximum temperature: 27.7 °C

Absolute minimum temperature: -4.0 °C

Number of sunny days: 138 days

Number of rainy days: 227 days

Look at detailed online map of St Mary's Bay

* Weather data for St Mary's Bay United Kingdom is based on climate observations for 2026 year

St Mary's Bay air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.712.112.715.818.825.927.023.927.722.515.613.6
Average daytime temperature (°C)8.68.99.611.515.220.520.120.321.817.011.310.4
Average temperature (°C)6.56.67.68.912.317.117.317.218.414.18.88.5
Average night temperature (°C)4.04.25.26.19.113.814.213.814.811.26.16.3
Absolute minimum temperature (°C)-4.0-0.5-2.23.15.510.210.09.68.94.8-0.3-2.9

St Mary's Bay monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.510.011.913.815.616.516.014.512.610.79.08.0
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.45.24.59.111.613.311.110.89.56.74.32.9
Precipitation (mm)9313148842934961167514315196
Sunny days131848192237171098
Rainy days18102722128282413212123
Snow days000000000000

St Mary's Bay - weather forecast by months

St Mary's Bay weather in januarySt Mary's Bay weather in februarySt Mary's Bay weather in marchSt Mary's Bay weather in aprilSt Mary's Bay weather in maySt Mary's Bay weather in juneSt Mary's Bay weather in julySt Mary's Bay weather in augustSt Mary's Bay weather in septemberSt Mary's Bay weather in octoberSt Mary's Bay weather in novemberSt Mary's Bay weather in december

Best time to visit St Mary's Bay:

The best time to visit St Mary's Bay during the most sunny months:

  • May — 11.6(h)
  • June — 13.3(h)
  • July — 11.1(h)
  • August — 10.8(h)

Months with the longest average daylight duration in St Mary's Bay:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.0(h)

The largest precipitation sum in St Mary's Bay is at

  • March — 148(mm)
  • August — 116(mm)
  • October — 143(mm)
  • November — 151(mm)

    • Weather forecast in the closest to St Mary's Bay admin centers

    Weather forecast in the closest towns to St Mary's Bay

    Explore St Mary's Bay

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

    When is the best time to visit St Mary's Bay?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit St Mary's Bay.
    What is the weather like in St Mary's Bay?
    See average temperature, rainfall and daylight hours for St Mary's Bay by month in the table above.
    How many sunny days does St Mary's Bay have?
    The monthly weather statistics above show sunshine and rainfall patterns for St Mary's Bay throughout the year.