Portstewart Weather in November
What's the weather like in Portstewart (N Ireland) in November 2025?
The climate in Portstewart during November can be summarized as cool and damp.
November is in the fall / autumn in Portstewart and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 3°C (38°F) is normal.
| Daytime temperature | 9°C 48.1°F |
|---|---|
| Nightly temperature | 3.2°C 37.7°F |
| Average temperature | 6.1°C 42.9°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 113 mm 4.5 ins |
| Rainy days | 22 days |
| Sea temperature | 11.6°C 52.8°F |
| Humidity | 90% |
| Windspeed | 25.2kph 16 mph |
On average November is the 4th wettest month of the year in Portstewart with around 113mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
November temperatures in Portstewart
November rainfall
November hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Portstewart in November 2025.
Other monthly averages
Best places to visit in November
Portstewart weather stats
| Hottest month: | July | 17.1°C 62.8°F |
|---|---|---|
| Driest month: | April | 66mm 2.6ins |
| Sunniest month: | May | 6.2hrs |
| Coldest month: | January | 6.5°C 43.7°F |
| Wettest month: | October | 123mm 4.8ins |
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