Average weather in August in Donegal (Donegal County), Ireland

The average minimum temperature (usually the minimum temperature is noted during the night) in Donegal in August is 11.5°C (52.7°F). The amount of rain in August is normal with an average of 76mm (3.0in). You can expect very pleasant temperatures during the day. The average maximum daytime temperature lies around 18.5°C (65.3°F). The sun will occasionally show itself with 140 hours of sunshine during the whole month.


So what to wear in August? Visitors traveling to Donegal should plan on bringing a totally waterproof rain jacket since it will often be raining. Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in August look at the numbers below.

Monthly Averages in August

Show in Celsius

Min Temperature 52 °F
Max Temperature 65 °F
Chance of Rain 43%
Precipitation 3 in
Rainy Days 13
Sunshine Hours 140

Where to stay in Donegal

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
6/10
Cycling
9/10
Walking
9/10
Camping
8/10
Outdoor sports
9/10

Weather Forecasts for Donegal (Donegal County)

FRI Dec 03
47°F | 41°F

Moderate rain

SAT Dec 04
43°F | 40°F

Heavy rain

SUN Dec 05
45°F | 36°F

Patchy rain possible

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Donegal.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.