Letterkenny in may: average Weather, Temperature and Climate
Weather in Letterkenny in may 2025
The weather in Letterkenny in the month of may comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather
Weather at 6am
47°F
Cloudy
27% of time
22%
20%
16%
Weather at 12pm
58°F
Cloudy
38% of time
22%
18%
15%
Weather at 6pm
56°F
Cloudy
33% of time
22%
20%
18%
Weather at 3am
43°F
35%
15%
14%
14%
Evolution of daily average temperature and precipitation in Letterkenny in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Letterkenny in may.
The climate of Letterkenny in may is tolerable
The weather in may in Letterkenny is wet (with 2.7in of rainfall over 4 days). The weather's not getting better compared to the previous month since in april there is an average of 1.9in of rainfall over 3 days.
The climate is quite cold in that locality may, but it is endurable when dressing cosy. The high seasonal norm is 58°F. In the morning the temperature drops to 47°F. Thus, the mean temperature average on this month of may in Letterkenny is 52°F. Note that these seasonal averages are in contrast with those observed in Letterkenny in may with a maximum record of 76°F in 2018 and a minimum record of 34°F in 2021. You can hope to have about 5 days with temperatures up to 65°F, or 16% of time.
On average, in Letterkenny, the days of may last 16:09. Sunrise is at 04:23 and sets at 20:32.
With proper weather, may is okay (but not the best) to go in that area in Ireland.
Seasonal average climate and temperature of Letterkenny 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 | 58°F | ||||
| Lowest temperature | 47°F | ||||
| Highest record temperature | 76°F (2018) | ||||
| Lowest record temperature | 34°F (2021) | ||||
| Number of days at +65°F | 5 day(s) (16%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 52°F | ||||
| Lowest sea temperature | 50°F | ||||
| Highest sea temperature | 53°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 43°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.7in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 1.1in (2013) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 8.08km | ||||
| Cloud cover | 63% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:23 | ||||
| Time of sunset | 20:32 | ||||
| Length of day | 16:09 | ||||
| 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 Letterkenny in may 2024:
47°F to 59°F
50°F to 61°F
50°F to 61°F
52°F to 54°F
50°F to 54°F
49°F to 52°F
49°F to 54°F
50°F to 58°F
50°F to 59°F
54°F to 67°F
52°F to 68°F
56°F to 63°F
50°F to 61°F
52°F to 58°F
54°F to 61°F
52°F to 63°F
52°F to 59°F
52°F to 56°F
50°F to 59°F
52°F to 67°F
54°F to 58°F
52°F to 54°F
49°F to 52°F
50°F to 52°F
50°F to 59°F
50°F to 56°F
47°F to 59°F
49°F to 59°F
52°F to 59°F
52°F to 54°F
50°F to 58°F
Map: other cities in Ireland in may
Cities near Letterkenny:
| Ballybofey in may | tolerable weather |
| Buncrana in may | tolerable weather |
| Dunfanaghy in may | tolerable weather |
| Derrybeg in may | tolerable weather |
| Dungloe in may | tolerable weather |
| Donegal in may | tolerable weather |
| Moville in may | tolerable weather |
| Malin Head in may | bad weather |
| Ballyshannon in may | tolerable weather |
| Killybegs in may | tolerable weather |
| Bundoran in may | tolerable weather |
| Gleann Cholm Cille in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Letterkenny
perfect weather
good
tolerable
bad
very bad
Weather data for Letterkenny in may:
Weather data for Letterkenny for may are derived from an average of the weather forecast since 2009 in Letterkenny. There is a margin of error and these forecasts are to be considered as general information only. The weather in Letterkenny 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 Letterkenny.