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Belfast Weather and Climate: A Comprehensive Guide

Belfast has a steady warm climate throughout the year. It maintains moderate precipitation patterns. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

With minimal seasonal shifts, Belfast experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 31°C in February to a comfortable 25°C in the coolest month, July.

Nights are cooler, with lows often dropping to around 11°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Belfast receives mid-range precipitation levels, with 698 mm annually. The climate in Belfast shows significant variation throughout the year. Expect high rainfall in January, with an average of 126 mm of precipitation over 9 rainy days.

In contrast, June offers drier and sunnier days, with around 8.1 mm of rainfall over 2 rainy days. For more details, please visit our Belfast Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Belfast

Wed   Jan 15
35°C | 20°C
SE 6 m/s
25 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Thu   Jan 16
25°C | 19°C
S 6 m/s
9.3 mm
overcast and  chance of rain

overcast and chance of rain

Fri   Jan 17
27°C | 19°C
SE 6 m/s
0.7 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Belfast in South Africa

During the months of June and July you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Belfast have a dry season?
    Yes, the months of May, June, July and August are very dry.
  • Which is the warmest month in Belfast?
    February has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Belfast?
    The coldest month is July with an average maximum temperature of 25°C.
  • Which is the wettest month in Belfast?
    January tops the wettest month list with 126 mm of rainfall.
  • Which is the driest month in Belfast?
    June is the driest month with 8 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.