Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
In October, Belfast notes an average high-temperature of a cool 12.4°C (54.3°F), hardly different from the preceding month. Nighttime temperature in Belfast reflects an average dip to a chilly 8.2°C (46.8°F) in October, subtly cooler than its daytime highs.Humidity
The average relative humidity in October is 87%.Rainfall
In Belfast, in October, during 17.8 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 220.2 rainfall days, and 626mm (24.65") of precipitation is accumulated.Snowfall
In Belfast, snow does not fall in April through October.Sea temperature
In Belfast, United Kingdom, in October, the average water temperature is 13.4°C (56.1°F).Note: Dipping in 13.4°C (56.1°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In Belfast, the average length of the day in October is 10h and 29min.On the first day of the month, sunrise is at 7:27 am and sunset at 6:59 pm BST. On the last day of October, in Belfast, sunrise is at 7:25 am and sunset at 4:49 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to BST.
Sunshine
In Belfast, the average sunshine in October is 3.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during October translates into the following guidance:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are October temperatures in Belfast?
What is the average humidity in October in Belfast?
How much does it rain in Belfast in October?
When it does not snow in Belfast?
Does it snow in Belfast in October?
What is the sea water temperature in October in Belfast?
What is the average length of the day in October in Belfast?
When are sunrise and sunset in October in Belfast?
When does Daylight Saving Time (DST) end in October in Belfast?
How many hours of sunshine does Belfast have in October?
How high is the UV index in October in Belfast?
Average temperature in October
Belfast, United Kingdom
- Average high temperature in October: 12.4°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in October: 8.2°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in October
Belfast, United Kingdom
- Average pressure in October: 1011.9mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in October
Belfast, United Kingdom
- Average wind speed in October: 18.2km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).
Average humidity in October
Belfast, United Kingdom
- Average humidity in October: 87%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in October
Belfast, United Kingdom
- Average rainfall in October: 50mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).
Average rainfall days in October
Belfast, United Kingdom
- Average rainfall days in October: 17.8 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).
Average snowfall in October
Belfast, United Kingdom
- Average snowfall in October: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in October
Belfast, United Kingdom
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in October
Belfast, United Kingdom
- Average sea temperature in October: 13.4°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 October /
Average sunshine in October
Belfast, United Kingdom
- Average daylight in October: 10h and 3min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in October: 3h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in October
Belfast, United Kingdom
- Average sunshine days in October: 9 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in October
Belfast, United Kingdom
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Belfast, United Kingdom
- Average cloud cover in October: 61
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in October
Belfast, United Kingdom
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Belfast, United Kingdom
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