Letterkenny in august: average Weather, Temperature and Climate
Weather in Letterkenny in august 2025
The weather in Letterkenny in august comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
bad weather
Weather at 6am
52°F
Fog
53% of time
20%
11%
9%
Weather at 12pm
63°F
Cloudy
44% of time
22%
21%
7%
Weather at 6pm
61°F
Cloudy
31% of time
29%
24%
9%
Weather at 3am
52°F
46%
17%
15%
14%
Evolution of daily average temperature and precipitation in Letterkenny in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Letterkenny in august.
The climate of Letterkenny in august is bad
The weather in august in Letterkenny is wet (with 3.2in of rainfall over 4 days). It should be noted an improvement from the previous month since in july it receives an average of 3.7in of precipitation over 7 days.
The climate is fairly cold in this location this month, but it is liveable by dressing warm. The high seasonal norm is 65°F. The minimum is 52°F. Thus, the mean temperature average in august in Letterkenny is 58°F. Note that these seasonal averages are in contrast with those observed in Letterkenny in august with a maximum record of 79°F in 2021 and a minimum record of 36°F in 2011. You can plan to have about 11 days with temperatures up to 65°F, or 35% of the month.
In august in Letterkenny, the days on average last 14:58. Sunrise is at 05:06 and sunset is at 20:04.
With a bad climate, august is not the best time to go in this locality.
August: another location in Ireland?
If you want to go to Ireland in august, there are destinations with better weather than Letterkenny:
In august, Dublin, Cork, Ardmore, Dalkey Island, Rosslare and Tramore have good weather.
Finally, Galway, Belmullet, Connemara National Park, Dingle, Dundalk and Kilkenny have a tolerable climate, but better than Letterkenny.
Seasonal average climate and temperature of Letterkenny in august
Check below seasonal norms These statistics are compiled from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 79°F (2021) | ||||
| Lowest record temperature | 36°F (2011) | ||||
| Number of days at +65°F | 11 day(s) (35%) | ||||
| Sea temperature | |||||
| Average sea temperature | 59°F | ||||
| Lowest sea temperature | 57°F | ||||
| Highest sea temperature | 61°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.2in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 0.8in (2021) | ||||
| Other climate data | |||||
| Humidity | 96% | ||||
| Visibility | 7.3km | ||||
| Cloud cover | 71% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:06 | ||||
| Time of sunset | 20:04 | ||||
| Length of day | 14:58 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last august?
Here is the day by day recorded weather in Letterkenny in august 2024:
58°F to 70°F
59°F to 63°F
50°F to 61°F
54°F to 63°F
58°F to 63°F
50°F to 61°F
56°F to 61°F
52°F to 61°F
56°F to 63°F
58°F to 63°F
50°F to 68°F
54°F to 65°F
58°F to 65°F
49°F to 65°F
52°F to 59°F
50°F to 61°F
54°F to 61°F
54°F to 61°F
52°F to 59°F
47°F to 56°F
52°F to 58°F
54°F to 59°F
50°F to 58°F
47°F to 56°F
50°F to 56°F
52°F to 63°F
59°F to 65°F
56°F to 61°F
52°F to 59°F
50°F to 61°F
49°F to 68°F
Map: other cities in Ireland in august
Cities near Letterkenny:
| Ballybofey in august | bad weather |
| Buncrana in august | tolerable weather |
| Dunfanaghy in august | tolerable weather |
| Derrybeg in august | bad weather |
| Dungloe in august | bad weather |
| Donegal in august | bad weather |
| Moville in august | bad weather |
| Malin Head in august | tolerable weather |
| Ballyshannon in august | bad weather |
| Killybegs in august | bad weather |
| Bundoran in august | bad weather |
| Gleann Cholm Cille in august | bad weather |
Click over cities on the map for information about the weather in august.
Letterkenny
perfect weather
good
tolerable
bad
very bad
Weather data for Letterkenny in august:
Weather data for Letterkenny for august 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.