Best year time to visit Belfast

General weather information about Belfast

Average annual temperature is 10.8 °C

Absolute maximum temperature: 25.6 °C

Absolute minimum temperature: -3.3 °C

Number of sunny days: 76 days

Number of rainy days: 286 days

Number of snow days: 3 days

Look at detailed online map of Belfast

* Weather data for Belfast United Kingdom is based on climate observations for 2026 year

Belfast air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.812.515.016.220.025.621.022.224.921.113.912.8
Average daytime temperature (°C)8.19.89.711.916.020.217.718.618.114.39.99.2
Average temperature (°C)5.97.76.78.712.216.414.715.414.811.87.47.3
Average night temperature (°C)3.85.13.85.48.212.411.912.311.39.44.55.4
Absolute minimum temperature (°C)-2.0-0.4-3.3-0.22.97.38.88.34.83.0-0.2-3.1

Belfast monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.017.015.013.011.09.07.0
Daylight mean duration (h)8.09.711.914.116.117.216.614.912.710.58.57.4
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)4.04.15.38.310.012.39.610.27.14.74.62.1
Precipitation (mm)5822117109759416111413512973177
Sunny days8102512131065104
Rainy days221827251917303124262027
Snow days102000000000

Best time to visit Belfast:

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

  • May — 10.0(h)
  • June — 12.3(h)
  • July — 9.6(h)
  • August — 10.2(h)

Months with the longest average daylight duration in Belfast:

  • May — 16.1(h)
  • June — 17.2(h)
  • July — 16.6(h)

The largest precipitation sum in Belfast is at

  • July — 161(mm)
  • September — 135(mm)
  • December — 177(mm)