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February Weather in Belfast, United States

Last updated: June 24, 2025

In Belfast, United States, the average temperature in February hovers around -3°C (27°F). Expect a chillier low of -24°C (-10°F) and the rare chance of warming up to 20°C (68°F). During this time, you can anticipate 90 mm (3.5 in) of precipitation over 16 days, coupled with high humidity levels at an average of 91%. Stay warm and prepare for wet conditions!

February Temperature in Belfast

In February in Belfast, the average temperature is -3°C (27°F), with maximums reaching up to 20°C (68°F) and minimums dropping as low as -24°C (-10°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to surprisingly warm spells.

February Weather in Belfast: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Belfast, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belfast, February typically has an average temperature of -3°C (27°F), with highs reaching up to 20°C (68°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec242734445665706862513730
Data source: Temperature data for Belfast generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Belfast

In Belfast in February, the total precipitation amount is 90 mm (3.5 in) distributed over 16 days.

February Precipitation Trends in Belfast

The chart displays monthly precipitation patterns in Belfast, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Belfast, February typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7890801091179911884771278587
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Belfast

In Belfast in February humidity is 91%. With an average temperature of -3°C (27°F), this humidity feels like a thick, icy blanket wrapping around you, making travel quite uncomfortable as every breath is a mix of frigid air and moisture, and the cold dampness clings to your skin, turning even short outings into a test of endurance.

February Average Humidity in Belfast

This chart illustrates the average monthly humidity levels in Belfast, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Belfast is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Belfast

In Belfast in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Belfast.

Maximum UV Index Levels in Belfast for February

The chart shows the monthly maximum UV Index (UVI) for Belfast in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in Belfast typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Belfast February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How February Weather in Belfast Compares to Other Months

Weather in Belfast varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Belfast, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Belfast, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)78 mm (3.1 inches)91%moderate
February Weather-3°C (27°F)90 mm (3.5 inches)91%moderate
March Weather1°C (34°F)80 mm (3.1 inches)88%high
April Weather7°C (45°F)109 mm (4.3 inches)88%very high
May Weather14°C (57°F)117 mm (4.6 inches)82%very high
June Weather18°C (65°F)99 mm (3.9 inches)79%very high
July Weather21°C (70°F)118 mm (4.7 inches)77%very high
August Weather20°C (68°F)84 mm (3.3 inches)72%very high
September Weather16°C (62°F)77 mm (3.0 inches)76%very high
October Weather11°C (52°F)127 mm (5.0 inches)83%high
November Weather3°C (37°F)85 mm (3.4 inches)88%moderate
December Weather-1°C (30°F)87 mm (3.4 inches)87%low

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