November Weather in Belfast, United States

Last updated: June 24, 2025

In Belfast, United States, the average temperature in November hovers around 3°C (38°F). However, be prepared for a range that can dip to a chilly -15°C (5°F) and rise to a pleasant 20°C (69°F). You'll likely experience 121 mm (4.8 in) of precipitation over about 12 days, contributing to an average humidity level of 85%.

November Temperature in Belfast

In November in Belfast, the average temperature is 3°C (38°F). Maximums can reach 20°C (69°F) and minimums can be as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates November 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, November typically has an average temperature of 3°C (38°F), with highs reaching up to 20°C (69°F) and lows dropping to around -15°C (5°F).

Data source: Temperature data for Belfast generated using information from the Copernicus Climate Change Service.

November Precipitation in Belfast

In Belfast in November, the precipitation amount reaches 121 mm (4.8 in) over the course of 12 days.

November Precipitation Trends in Belfast

The chart displays monthly precipitation patterns in Belfast, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Belfast, November typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

November Humidity in Belfast

In Belfast in November, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

November Average Humidity in Belfast

This chart illustrates the average monthly humidity levels in Belfast, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Belfast is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Belfast

In Belfast in November, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Belfast, you can check the information here.

Maximum UV Index Levels in Belfast for November

The chart shows the monthly maximum UV Index (UVI) for Belfast in November, 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 November, the maximum UV index in Belfast typically reaches 3, which falls under the moderate exposure category.

Data source: Belfast November 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 November 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 November’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 November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	93 mm (3.7 inches)	88%	low
February Weather	-4°C (26°F)	88 mm (3.5 inches)	88%	moderate
March Weather	0°C (32°F)	72 mm (2.9 inches)	85%	moderate
April Weather	6°C (43°F)	131 mm (5.2 inches)	81%	high
May Weather	11°C (53°F)	90 mm (3.6 inches)	76%	very high
June Weather	17°C (63°F)	76 mm (3.0 inches)	74%	very high
July Weather	20°C (68°F)	91 mm (3.6 inches)	74%	very high
August Weather	20°C (68°F)	75 mm (3.0 inches)	74%	very high
September Weather	16°C (61°F)	77 mm (3.0 inches)	77%	high
October Weather	11°C (51°F)	130 mm (5.1 inches)	82%	moderate
November Weather	3°C (38°F)	121 mm (4.8 inches)	85%	moderate
December Weather	-2°C (28°F)	129 mm (5.1 inches)	84%	low