Castlerock in may: average Weather, Temperature and Climate
Weather in Castlerock in may 2025
The weather in Castlerock in the month of may comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather
Weather at 6am
49°F
Cloudy
26% of time
23%
22%
20%
Weather at 12pm
54°F
Moderate rain at times
38% of time
20%
19%
16%
Weather at 6pm
54°F
Moderate rain at times
39% of time
23%
19%
14%
Weather at 3am
49°F
26%
22%
21%
19%
Evolution of daily average temperature and precipitation in Castlerock in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Castlerock in may.
The climate of Castlerock in may is tolerable
the weather in Castlerock in may is wet (with 4.2in of rainfall over 7 days). The weather's not getting better compared to the previous month since in april there is an average of 3.2in of rainfall over 5 days.
The climate is fairly cool in that area this month, but it is endurable by dressing warm. The high seasonal norm is 56°F. The minimum is 49°F. Thus, the mean temperature average on this month of may in Castlerock is 52°F. Note that seasonal normals in contrast with those observed in Castlerock in the month of may with a maximum record of 70°F in 2017 and a minimum record of 40°F in 2012.
On this month of may, day length in Castlerock is generally 16:12. The sun rises at 04:18 and sets at 20:30.
With a correct weather, may is okay (but not the best) to go in this city.
Seasonal average climate and temperature of Castlerock in may
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 52°F | ||||
| Highest temperature | 56°F | ||||
| Lowest temperature | 49°F | ||||
| Highest record temperature | 70°F (2017) | ||||
| Lowest record temperature | 40°F (2012) | ||||
| Number of days at +65°F | 2 day(s) (6%) | ||||
| Sea temperature | |||||
| Average sea temperature | 51°F | ||||
| Lowest sea temperature | 49°F | ||||
| Highest sea temperature | 53°F | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 45°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.2in | ||||
| Number of days with rainfall | 7 day(s) (22%) | ||||
| Record daily rainfall | 1.6in (2013) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 9.05km | ||||
| Cloud cover | 54% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:18 | ||||
| Time of sunset | 20:30 | ||||
| Length of day | 16:12 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in Castlerock in may 2024:
47°F to 52°F
50°F to 54°F
50°F to 54°F
50°F to 52°F
50°F to 50°F
49°F to 50°F
49°F to 49°F
50°F to 54°F
52°F to 54°F
52°F to 58°F
50°F to 59°F
52°F to 56°F
50°F to 54°F
50°F to 52°F
52°F to 54°F
52°F to 56°F
52°F to 54°F
50°F to 52°F
50°F to 52°F
52°F to 56°F
52°F to 54°F
50°F to 52°F
50°F to 50°F
50°F to 52°F
50°F to 54°F
52°F to 54°F
50°F to 56°F
50°F to 54°F
52°F to 54°F
52°F to 52°F
52°F to 52°F
Map: other cities in Northern Ireland in may
Cities near Castlerock:
| Portstewart in may | tolerable weather |
| Coleraine in may | tolerable weather |
| Portrush in may | tolerable weather |
| Limavady in may | tolerable weather |
| Ballymoney in may | tolerable weather |
| Maghera in may | tolerable weather |
| Ballycastle (Causeway Coast) in may | tolerable weather |
| Derry (Londonderry) in may | tolerable weather |
| Ballymena in may | tolerable weather |
| Magherafelt in may | tolerable weather |
| Glenariff in may | tolerable weather |
| Cookstown in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Castlerock
perfect weather
good
tolerable
bad
very bad
Weather data for Castlerock in may:
Weather data for Castlerock for may 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.