Map of Belfast in United Kingdom

Belfast Climate

Belfast is a non-capital city in United Kingdom, Europe. It can be found in the Antrim region.

Best time to visit Belfast

The best time to visit Belfast is during months June, July, August and September when the average temperatures are perhaps a little cooler than preferred but still a pleasant 10°C / 50.0°F to 20°C / 68.0°F. If you don't mind bringing a coat, you might also enjoy visiting Belfast during January, February, March, April, May, October, November and December but average temperatures are fairly cool (between 0°C / 32.0°F and 10°C / 50.0°F).


The warmest time of year in Belfast is in July when it is 14.15°C / 57.5°F on average, but could get up to 17.9°C / 64.2°F maximum. On the other hand, the coldest time of year in Belfast is in February when it is 3.85°C / 38.9°F on average, but could get down to 1.3°C / 38.9°F minimum.

  • Freezing months: 0 (0°C / 32.0°F and below)
  • Cold months: 8 (0°C / 32.0°F to 10°C / 50.0°F)
  • Cool months: 4 (10°C / 50.0°F to 20°C / 68.0°F)
  • Warm months: 0 (20°C / 68.0°F to 30°C / 86.0°F)
  • Hot months: 0 (30°C / 86.0°F to 40°C / 104.0°F)
  • Boiling months: 0 (40°C / 104.0°F and above)

Belfast Climate Chart

Below are the climate charts for Belfast in Antrim which resides in United Kingdom.

Temperature tables

The first table is for the average temperatures across the year in degrees Celsius. The cells that are BLUE show the coldest months and the cells that are PINK show the hottest months.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Average Temperature in °C3.953.855.257.059.6512.5514.1513.9512.159.6564.8
Max Temperature in °C6.56.48.410.713.616.517.917.615.512.58.77.3
Min Temperature in °C1.41.32.13.45.78.610.410.38.86.83.32.3

This second table is for the average temperatures across the year in degrees Fahrenheit. Cells in BLUE are the coldest months and cells in PINK are the hottest months.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Average Temperature in °F39.138.941.544.749.454.657.557.153.949.442.840.6
Max Temperature in °F43.743.547.151.356.561.764.263.759.954.547.745.1
Min Temperature in °F34.534.335.838.142.347.550.750.547.844.237.936.1

Rainfall figures

This table is for the amount of rainfall (both in millimetres and inches) and number of rainy days in Belfast throughout the year.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Total rainfall in MM876070576264578385948284
Total rainfall in Inches3.42.42.82.22.42.52.23.33.33.73.23.3
Total number of rainy days20.615.719.415.416.215.715.617.217.419.318.419.3
Chances of rain66.5%56.1%62.6%51.3%52.3%52.3%50.3%55.5%58.0%62.3%61.3%62.3%

Belfast Climate Graph

Below is the climate graph for Belfast. It shows both the average temperatures throughout the year in degrees Celsius and also the average total rainfall in millimetres.

Belfast Climate Graph with temperatures in °C and rainfall in millimetres

Below is the climate graph for Belfast with both the average temperatures throughout the year in degrees Fahrenheit and also the average total rainfall in inches.

Belfast Climate Graph with temperatures in °F and rainfall in inches