Portrush in december: average Weather, Temperature and Climate
Weather in Portrush in december 2026
The weather in Portrush in december comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 26.7cm
Weather at 6am
45°F
Cloudy
27% of time
25%
22%
15%
Weather at 12pm
47°F
Cloudy
26% of time
23%
22%
16%
Weather at 6pm
45°F
Cloudy
28% of time
22%
22%
16%
Weather at 3am
45°F
29%
22%
17%
15%
Evolution of daily average temperature and precipitation in Portrush in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Portrush in december.
The climate of Portrush in december is very bad
In december in Portrush, the climate is wet (with 4.8in of rainfall over 9 days). It should be noted an improvement from the previous month since in november it receives an average of 5.2in of precipitation over 10 days.
The climate is rather more than very fresh in that locality december. Do not forget to take with you warm clothes! The high seasonal norm is 47°F. On average, the recorded minimum temperature is 43°F. Thus, the mean temperature average on this month of december in Portrush is 45°F. Note that these seasonal averages are in contrast with those observed in Portrush in december with a maximum record of 58°F in 2016 and a minimum record of 22°F in 2010.
On this month of december, day length in Portrush is generally 07:10. The sun rises at 08:47 and sunset is at 15:57.
With an unfavorable weather, the month of december is not the best time to go in this locality in North Ireland.
Seasonal average climate and temperature of Portrush in december
Check below seasonal norms These statistics are generated from the weather statements of the past years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 45°F | ||||
| Highest temperature | 47°F | ||||
| Lowest temperature | 43°F | ||||
| Highest record temperature | 58°F (2016) | ||||
| Lowest record temperature | 22°F (2010) | ||||
| Number of days at -32°F | 1 day(s) (3%) | ||||
| Sea temperature | |||||
| Average sea temperature | 52°F | ||||
| Lowest sea temperature | 50°F | ||||
| Highest sea temperature | 53°F | ||||
| Wind | |||||
| Wind speed | 32km/h | ||||
| Wind temperature | 36°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.8in | ||||
| Number of days with rainfall | 9 day(s) (30%) | ||||
| Record daily rainfall | 1.6in (2015) | ||||
| Snowfall | 26.7cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.93km | ||||
| Cloud cover | 62% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:47 | ||||
| Time of sunset | 15:57 | ||||
| Length of day | 07:10 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Portrush in december 2025:
47°F to 50°F
43°F to 45°F
43°F to 47°F
43°F to 45°F
40°F to 45°F
47°F to 50°F
47°F to 50°F
47°F to 50°F
52°F to 59°F
49°F to 50°F
49°F to 52°F
41°F to 47°F
45°F to 54°F
54°F to 56°F
45°F to 47°F
41°F to 43°F
45°F to 50°F
43°F to 49°F
43°F to 47°F
47°F to 49°F
45°F to 47°F
49°F to 50°F
45°F to 49°F
41°F to 45°F
40°F to 43°F
40°F to 43°F
40°F to 43°F
40°F to 41°F
40°F to 41°F
40°F to 41°F
38°F to 45°F
Map: other cities in Northern Ireland in december
Cities near Portrush:
| Portstewart in december | very bad weather |
| Coleraine in december | very bad weather |
| Castlerock in december | very bad weather |
| Ballymoney in december | very bad weather |
| Limavady in december | very bad weather |
| Ballycastle (Causeway Coast) in december | very bad weather |
| Maghera in december | very bad weather |
| Glenariff in december | very bad weather |
| Ballymena in december | very bad weather |
| Derry (Londonderry) in december | very bad weather |
| Magherafelt in december | very bad weather |
| Cookstown in december | very bad weather |
Click over cities on the map for information about the weather in december.
Portrush
perfect weather
good
tolerable
bad
very bad
Weather data for Portrush in december:
Weather data for Portrush for december are derived from an average of the weather forecast since 2009 in Portrush. There is a margin of error and these forecasts are to be considered as general information only. The weather in Portrush can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Portrush.