Belfast
United Kingdom
Long-term weather forecast
Long-term weather forecast

November weather forecast and climate
Belfast, United Kingdom

A close-up view of the Northern Ireland City Hall located in Belfast, United Kingdom
A close-up view of the Northern Ireland City Hall located in Belfast, United Kingdom
The last month of the autumn, November, is another chilly month in Belfast, United Kingdom, with average temperature varying between 9.5°C (49.1°F) and 4°C (39.2°F).

Temperature

In November, the average high-temperature slightly decreases, from a cool 12.9°C (55.2°F) in October, to a chilly 9.5°C (49.1°F). In Belfast, the average low-temperature is 4°C (39.2°F).

Rainfall

In Belfast, United Kingdom, during November, the rain falls for 14.4 days and regularly aggregates up to 79.7mm (3.1") of precipitation. In Belfast, during the entire year, the rain falls for 157.5 days and collects up to 860.2mm (33.9") of precipitation.

Sea temperature

In Belfast, the average seawater temperature is 12.3°C (54.1°F).
Note: Swimming in 12.3°C (54.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Belfast is 8.5h.

Sunshine

In Belfast, United Kingdom, the average sunshine is 2h.

UV index

In Belfast, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in November interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in November in Belfast?

In Belfast, in November, the average high-temperature is 9.5°C (49.1°F), and the average low-temperature is 4°C (39.2°F).

How much does it rain in Belfast in November?

In November, the rain falls for 14.4 days. Throughout November, 79.7mm (3.1") of precipitation is accumulated.

What is the sea water temperature in November in Belfast?

In November, the average sea temperature in Belfast is 12.3°C (54.1°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Belfast have in November?

The average length of the day in November in Belfast is 8.5h.

How long on average sun shines in November in Belfast?

In November, the average sunshine in Belfast, United Kingdom, is 2h.

What is the UV index intensity in November in Belfast?

The average daily maximum UV index in November in Belfast is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in November - Belfast, United Kingdom
  • Average high temperature in November: 9.5°C

The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in November: 4°C

The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average rainfall in November - Belfast, United Kingdom
  • Average rainfall in November: 79.7mm

The wettest month (with the highest rainfall) is October (89.6mm).
The driest month (with the lowest rainfall) is May (57.3mm).

Average rainfall days in November - Belfast, United Kingdom
  • Average rainfall days in November: 14.4 days

The month with the highest number of rainy days is January (14.8 days).
The month with the lowest number of rainy days is June (11.3 days).

Average sea temperature in November - Belfast, United Kingdom
  • Average sea temperature in November: 12.3°C

The best month for swimming (with the highest average sea temperature) is September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8°C).

Average daylight in November / Average sunshine in November - Belfast, United Kingdom
  • Average daylight in November: 8.5h

The month with the longest days is June (Average daylight: 17.2h).
The month with shortest days is December (Average daylight: 7.4h).

  • Average sunshine in November: 2h

The month with most sunshine is May (Average sunshine: 6.4h).
The month with least sunshine is December (Average sunshine: 1.5h).

Average UV index in November - Belfast, United Kingdom
  • Average UV index in November: 1

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).