Best year time to visit Simonstown

General weather information about Simonstown

Average annual temperature is 10.7 °C

Absolute maximum temperature: 27.0 °C

Absolute minimum temperature: -3.6 °C

Number of sunny days: 79 days

Number of rainy days: 283 days

Number of snow days: 3 days

Look at detailed online map of Simonstown

* Weather data for Simonstown Ireland is based on climate observations for 2026 year

Simonstown air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.613.715.418.620.327.021.223.626.521.413.612.7
Average daytime temperature (°C)8.09.89.912.716.720.817.818.818.314.49.68.9
Average temperature (°C)5.87.46.89.012.716.514.715.414.711.27.17.0
Average night temperature (°C)3.64.84.15.38.512.111.612.211.38.24.44.8
Absolute minimum temperature (°C)-3.6-3.2-1.90.15.27.38.99.64.50.9-1.7-3.5

Simonstown monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.017.016.015.013.011.09.07.0
Daylight mean duration (h)8.19.811.914.015.916.916.414.812.710.68.67.6
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)3.73.04.67.29.611.68.48.76.84.94.82.1
Precipitation (mm)77241378658651731321331376896
Sunny days7114410110178115
Rainy days231726262119313023231925
Snow days101000000001

Best time to visit Simonstown:

The best time to visit Simonstown during the most sunny months:

  • May — 9.6(h)
  • June — 11.6(h)
  • July — 8.4(h)
  • August — 8.7(h)

Months with the longest average daylight duration in Simonstown:

  • May — 15.9(h)
  • June — 16.9(h)
  • July — 16.4(h)

The largest precipitation sum in Simonstown is at

  • March — 137(mm)
  • July — 173(mm)
  • August — 132(mm)
  • September — 133(mm)
  • October — 137(mm)