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Belfast Weather and Climate: A Comprehensive Guide

Belfast maintains a fairly consistent warm average temperature. It also has a relatively rainy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Belfast temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 30°C in August to a comfortable 27°C in February.

Nighttime temperatures can drop, with average lows reaching 24°C in February. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Belfast experiences significant rainfall throughout the year, averaging 1303 mm of precipitation annually. The seasons in Belfast, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 191 mm of precipitation. This rainfall is distributed across 16 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 52 mm over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Belfast Precipitation page.

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

Sunshine over the year

The sunniest days in Belfast occur in July, with around 8.8 hours of daily sunshine. Even in October, the least sunny month, Belfast doesn't shy away from the sun, still enjoying a comfortable 7.5 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Kingston, Jamaica (41 KM, 25 Miles).

Daily hours of sunshine

Data from: Kingston, Jamaica (41 KM, 25 Miles).

Forecast for Belfast

Sat   Jan 11
30°C | 21°C
E 3 m/s
1.8 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Sun   Jan 12
30°C | 21°C
NE 5 m/s
2.4 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Jan 13
29°C | 21°C
NE 6 m/s
1.1 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Belfast in Jamaica

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Belfast?
    Most rainfall (rainy season) is seen in September and October.
  • Which is the warmest month in Belfast?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Belfast?
    The coldest month is February with an average maximum temperature of 27°C.
  • Which is the wettest month in Belfast?
    October tops the wettest month list with 191 mm of rainfall.
  • Which is the driest month in Belfast?
    February is the driest month with 52 mm of precipitation.
  • Which is the sunniest month in Belfast?
    July is the sunniest month with an average of 264 hours of sunshine.

  • 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.