Castlerock in january: average Weather, Temperature and Climate
Weather in Castlerock in january 2025
The weather in Castlerock in the month of january comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout january
very bad weather 43.4cm
Weather at 6am
43°F
Cloudy
26% of time
22%
21%
14%
Weather at 12pm
45°F
Cloudy
25% of time
22%
19%
16%
Weather at 6pm
43°F
Moderate rain at times
25% of time
24%
21%
15%
Weather at 3am
43°F
25%
22%
16%
15%
Evolution of daily average temperature and precipitation in Castlerock in january
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Castlerock in january.
The climate of Castlerock in january is very bad
the weather in Castlerock in january is wet (with 4.9in of precipitation over 9 days). Unfortunately, the weather conditions is worsening than the previous month since in december there is an average of 4.7in of precipitation over 9 days.
The climate is quite more than very fresh in that area january. Do not forget to cover yourself! The thermometer averaged maximum of 47°F. On average, the recorded minimum temperature is 41°F. Thus, the mean temperature average in january in Castlerock is 43°F. Note that these seasonal averages are in contrast with those observed in Castlerock in the month of january with a maximum record of 56°F in 2016 and a minimum record of 29°F in 2010.
Day length in Castlerock in january is 07:47. The sun rises at 08:43 and sets at 16:30.
Seasonal average climate and temperature of Castlerock in january
Check below seasonal norms These statistics are compiled from the weather statements of the last years of january.
| January | |||||
| Outside temperature | |||||
| Average temperature | 43°F | ||||
| Highest temperature | 47°F | ||||
| Lowest temperature | 41°F | ||||
| Highest record temperature | 56°F (2016) | ||||
| Lowest record temperature | 29°F (2010) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 49°F | ||||
| Lowest sea temperature | 47°F | ||||
| Highest sea temperature | 51°F | ||||
| Wind | |||||
| Wind speed | 33km/h | ||||
| Wind temperature | 34°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.9in | ||||
| Number of days with rainfall | 9 day(s) (29%) | ||||
| Record daily rainfall | 2.1in (2021) | ||||
| Snowfall | 43.4cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.75km | ||||
| Cloud cover | 63% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:43 | ||||
| Time of sunset | 16:30 | ||||
| Length of day | 07:47 | ||||
| Our opinion about the weather in january | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last january?
Here is the day by day recorded weather in Castlerock in january 2024:
43°F to 49°F
45°F to 47°F
47°F to 49°F
45°F to 47°F
49°F to 49°F
49°F to 49°F
43°F to 47°F
43°F to 45°F
40°F to 41°F
43°F to 45°F
45°F to 45°F
45°F to 47°F
47°F to 49°F
43°F to 47°F
40°F to 41°F
38°F to 45°F
38°F to 40°F
40°F to 41°F
41°F to 43°F
45°F to 49°F
45°F to 52°F
45°F to 49°F
43°F to 54°F
47°F to 50°F
47°F to 52°F
45°F to 49°F
49°F to 49°F
52°F to 54°F
47°F to 47°F
43°F to 47°F
43°F to 50°F
Map: other cities in Northern Ireland in january
Cities near Castlerock:
| Portstewart in january | very bad weather |
| Coleraine in january | very bad weather |
| Portrush in january | very bad weather |
| Limavady in january | very bad weather |
| Ballymoney in january | very bad weather |
| Maghera in january | very bad weather |
| Ballycastle (Causeway Coast) in january | very bad weather |
| Derry (Londonderry) in january | very bad weather |
| Ballymena in january | very bad weather |
| Magherafelt in january | very bad weather |
| Glenariff in january | very bad weather |
| Cookstown in january | very bad weather |
Click over cities on the map for information about the weather in january.
Castlerock
perfect weather
good
tolerable
bad
very bad
Weather data for Castlerock in january:
Weather data for Castlerock for january are derived from an average of the weather forecast since 2009 in Castlerock. There is a margin of error and these forecasts are to be considered as general information only. The weather in Castlerock 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 Castlerock.