Weather in Grandes Rocques in August

General weather information about Grandes Rocques

Average annual temperature is 12.7 °C

Absolute maximum temperature: 20.9 °C

Absolute minimum temperature: 4.0 °C

Number of sunny days: 113 days

Number of rainy days: 252 days

Look at detailed online map of Grandes Rocques

* Weather data for Grandes Rocques Guernsey is based on climate observations for 2026 year

Grandes Rocques air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.911.312.612.714.918.319.520.320.920.015.414.1
Average daytime temperature (°C)10.09.510.110.712.815.616.917.518.716.513.112.0
Average temperature (°C)9.08.69.19.812.014.816.216.817.615.412.011.1
Average night temperature (°C)8.07.78.39.111.214.115.616.216.714.510.810.2
Absolute minimum temperature (°C)4.05.64.27.410.411.914.415.213.111.27.15.1

Grandes Rocques monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.715.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.75.75.79.012.312.911.19.89.56.74.63.8
Precipitation (mm)12416116593722728267114233151
Sunny days513211192010712815
Rainy days261529191210212418232926
Snow days000000000000

Best time to visit Grandes Rocques:

The best time to visit Grandes Rocques during the most sunny months:

  • May — 12.3(h)
  • June — 12.9(h)
  • July — 11.1(h)

Months with the longest average daylight duration in Grandes Rocques:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Grandes Rocques is at

  • January — 124(mm)
  • March — 116(mm)
  • November — 233(mm)
  • December — 151(mm)
  • Frequently asked questions

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