Belfast in October usually sees fair weather conditions, with an average daily high temperature of +55°F and roughly 1 sunny days. However, you should prepare for about 19 rainy days with an average precipitation of 91 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+55°F
Avg. max. temperature
+28°F
Min.
+70°F
Max.
91 mm
Total precipitation
84%
Avg. humidity
4 m/s
Avg. wind
1 ☀️
Sunny Days
11 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Belfast has OK weather in October.
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Average temperature in Belfast in October
Here are the expected maximum, average and minimum temperatures in Belfast for October based on the historical data.
Last Year
Historical Data
The temperature in October is +57°F on average, with a range between a maximum of +68°F during the day and a minimum of +36°F at night.
The average maximum temperature goes down 44% by the end of the month, compared with the beginning of the month, from +64°F to +50°F.
Is Belfast warm or cold in October?
Belfast is typically mild in October.
Maximum temperatures go down compared to the previous month from +61°F to +55°F. The minimum temperature also goes down from +50°F to +46°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Belfast:
Water temperature in Belfast in October
Water in Belfast in October is Cold. It varies from +55°F to +58°F, with an average of +56°F.Note that the air temperature is lower than the water temperature, averaging around +55°F.
In October, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Belfast are reached in September, when the average sea temperature rises to +58°F. The coldest water temperatures are in March, with an average of +47°F.
Can you swim in Belfast in October?
We would not recommend swimming in Belfast in October, the water is very cold (+56°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in Belfast in October
Belfast weather looks like this, on average, in October and the surrounding months.
September
October
November
Avg. temperature
+61°F
+55°F
+50°F
Min. temperature
+34°F
+28°F
+21°F
Max. temperature
+77°F
+70°F
+64°F
Rainfall
72 mm
91 mm
82 mm
Wind
4 m/s
4 m/s
4 m/s
Avg. water temperature
+58°F
+56°F
+54°F
Humidity
82%
84%
85%
Air pressure
1013 HPa
1009 HPa
1009 HPa
Sunny days
2
1
1
Cloudy days
10
11
10
Rainy days
18
19
18
Snowy days
0
0
0
October weather is still as ok as in September.It’s getting colder in October. From +61°F in the day, the average maximum temperature lowers to +55°F.Prepare for more rain. Average rainfall goes from 72 mm to 91 mm.Humidity rises from 82% to 84%.The average wind speed doesn’t change much during October, staying around 4 m/s.The days becoming less sunny, going from 2 sunny days in September to 1 in October.
November brings much the same weather, it remains ok.
Wind speed in Belfast in October based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Belfast is gradually increasing during October, going from 4 m/s to 7 m/s over the course of the month.
Rain
Amount of rainfall in mm during October in Belfast based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in October stands at 55%, leading to total precipitation of around 108 mm. The maximum amount of rainfall per day is around 14 mm, which is considered light rain.October is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
October is one of the rainiest months in Belfast, here is a comparison with other months, total mm:
Belfast wettest month is October, where a typical day has a 61% chance of precipitation and 91 mm of rainfall per day. April, on the other hand, is the driest month with a mere 60% chance of precipitation and 60 mm of rainfall per day.
How was the weather last October in Belfast?
This is the weather in Belfast in October 2023:
1 October
☁️
+64°F
2 October
☁️
+59°F
3 October
☁️
+59°F
4 October
☀️
+62°F
5 October
🌧️
+64°F
6 October
🌧️
+68°F
7 October
☁️
+66°F
8 October
☁️
+68°F
9 October
☁️
+66°F
10 October
🌧️
+68°F
11 October
☀️
+55°F
12 October
☁️
+55°F
13 October
☀️
+55°F
14 October
🌧️
+50°F
15 October
☁️
+54°F
16 October
☁️
+55°F
17 October
☀️
+55°F
18 October
🌧️
+59°F
19 October
🌧️
+61°F
20 October
🌧️
+59°F
21 October
☁️
+52°F
22 October
☁️
+55°F
23 October
🌧️
+55°F
24 October
🌧️
+57°F
25 October
☁️
+55°F
26 October
🌧️
+55°F
27 October
🌧️
+54°F
28 October
🌧️
+53°F
29 October
🌧️
+57°F
30 October
🌧️
+52°F
31 October
🌧️
+50°F
In October 2023 Belfast had 4 sunny days, 12 cloudy days, and 15 rainy days. The average maximum temperature was +57°F, with an absolute maximum of +68°F and a minimum of +50°F. The average humidity was 85%, with a maximum of 100% and a minimum of 62%. The average wind speed was 5 m/s, with a maximum of 12 m/s and a minimum of 1 m/s.
Are you planning a trip in October?
Climate Change Over the Years
This is how Belfast climate has changed over the last 43 years.
The climate in Belfast in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+52°F) and the highest in 1995 (+57°F). The driest year was 2003 with only 711 mm of rainfall, and the wettest year was 2019 with 1255 mm.
FAQ
Frequently asked questions about the weather in Belfast in October:
Is October a good time to visit Belfast?
It’s always a good time to visit Belfast, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Belfast in October?
October has mild temperatures in Belfast. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Belfast in October?
Swimming in Belfast in October is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Belfast rainy in October?
Belfast is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Belfast in October?
Usually, it’s not very sunny in Belfast in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in United Kingdom
Check out the weather for other cities in United Kingdom.
For this page, we’ve looked at the typical weather in Belfast, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
