Belfast Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Belfast.

Full Climate overview Temperature Rainfall
Current conditions Belfast –  

Climate overview of Belfast

Belfast, South Africa, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 29°C (84°F), peaking in February at 31°C (88°F) and dipping in July to 25°C (77°F).

With around 698 mm (27 in) of annual rainfall, the city has moderate precipitation levels. January is the wettest month and June the driest. It also has a distinct dry season from May to September.

Belfast Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Belfast - and find the best time to visit.

Monthly Temperature in Belfast

With minimal seasonal shifts, Belfast experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in February to a comfortable 25°C (77°F) in the coolest month, July.

Nights vary from 21°C (70°F) in February to around 11°C (52°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Belfast

Generally, Belfast receives mid-range precipitation levels, with 698 mm (27 in) annually. The climate in Belfast shows significant variation throughout the year. Expect high rainfall in January, the wettest month, with an average of 126 mm (5 in) of precipitation over 9 rainy days.

In contrast, the driest month June offers drier and sunnier days, with around 8.1 mm (0.3 in) 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

Best Time to Visit Belfast

For comfortable weather, consider visiting Belfast in April, May, June, July, August, September and October. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April, May, June, July, August, September and October
  • Warmest weather: January, February, March, November and December
  • Fewer rainy days: May, June, July, August and September
  • Wettest months: January, February, March, November and December, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from May to September

Frequently asked questions about the climate in Belfast

What is the best time to visit Belfast?

April, May, June, July, August, September and October typically offer the most optimal weather in Belfast. In contrast, January, February and December tend to have less optimal conditions. Belfast has a distinct dry season from May to September.

What temperatures can I expect in Belfast?

Daytime highs range from 25°C (77°F) in July to 31°C (88°F) in February. Nighttime lows range from 11°C (52°F) to 21°C (70°F). Temperatures stay relatively stable year-round.

How much rain does Belfast get?

Annual rainfall is around 698 mm (27 in). January is the wettest month with 126 mm (5 in), while June is the driest with 8.1 mm (0.3 in).

Belfast 3-Day Forecast

Belfast on the map

Belfast is highlighted - select any city to see its climate.

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