Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Belfast (ME) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Belfast.
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Climate overview of Belfast
Temperatures in Belfast, Maine, United States of America, vary greatly throughout the year. July is the hottest month at 25°C (77°F), while January is the coldest at -1°C (30°F).
With around 1355 mm (53 in) of annual rain/snowfall, Belfast has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is October.
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
The climate in Belfast is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 15°C (59°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Belfast
Belfast has a notably wet climate with abundant precipitation, recording 1355 mm (53 in) of rain/snowfall per year. Belfast experiences moderate seasonal variation in rainfall, with monthly averages ranging from 163 mm (6.4 in) in October, the wettest month, and 91 mm (3.6 in) in January, the driest month. For more details, please visit our Belfast Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Belfast
For comfortable weather, consider visiting Belfast in August and September. Conditions are usually least favourable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
wet
Apr
wet
May
very good
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
mixed
Nov
wet
Dec
cold
- Best overall: August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Belfast
What is the best time to visit Belfast?
August and September typically offer the most optimal weather in Belfast. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Belfast has warm summers and very cold winters.
What temperatures can I expect in Belfast?
Daytime highs range from -1°C (30°F) in January to 25°C (77°F) in July. Nighttime lows range from -12°C (10°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Belfast get?
Annual rainfall is around 1355 mm (53 in). October is the wettest month with 163 mm (6.4 in), while January is the driest with 91 mm (3.6 in).
Belfast 3-Day Forecast
Belfast on the map
Belfast is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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