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Weather in Donegal for August 2025

Your guide to Donegal weather in August - trends and predictions
  • In general, the average temperature in Donegal at the beginning of August is 16.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 15.9 °C by the end of August.

  • Donegal experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

  • Is August a good time to visit Donegal? check out the best time to travel to Donegal page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
1
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/10°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Donegal in August average weather

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Temperatures trend during August in Donegal

See the weather trend as well as the moving average line
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August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
20° /11° 0.2 mm 5
2 Aug. Moderate rain
Moderate rain
16° /9° 5 mm 4
3 Aug. Light rain shower
Light rain shower
15° /8° 2.7 mm 4
4 Aug. Light rain
Light rain
17° /11° 11.8 mm 4
5 Aug. Moderate rain
Moderate rain
17° /9° 19.3 mm 4
6 Aug. Light rain shower
Light rain shower
15° /7° 3.3 mm 4
7 Aug. Light rain shower
Light rain shower
15° /11° 2.9 mm 4
8 Aug. Light rain shower
Light rain shower
16° /10° 4.7 mm 4
9 Aug. Patchy rain possible
Patchy rain possible
17° /11° 1.8 mm 4
10 Aug. Light rain shower
Light rain shower
16° /9° 1.1 mm 4
11 Aug. Patchy rain possible
Patchy rain possible
22° /8° 8.2 mm 5
12 Aug. Patchy rain possible
Patchy rain possible
18° /10° 1.8 mm 4
13 Aug. Light rain shower
Light rain shower
17° /9° 2.1 mm 4
14 Aug. Patchy rain possible
Patchy rain possible
18° /8° 0.8 mm 4
15 Aug. Light rain
Light rain
15° /9° 16.6 mm 4
16 Aug. Patchy rain possible
Patchy rain possible
15° /8° 1.2 mm 4
17 Aug. Patchy rain possible
Patchy rain possible
15° /9° 0.7 mm 4
18 Aug. Patchy rain possible
Patchy rain possible
16° /10° 0.6 mm 4
19 Aug. Light rain shower
Light rain shower
15° /9° 14.4 mm 4
20 Aug. Light rain shower
Light rain shower
12° /8° 8.5 mm 3
21 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
16° /11° 15.1 mm 4
22 Aug. Patchy rain possible
Patchy rain possible
16° /11° 10 mm 4
23 Aug. Moderate rain at times
Moderate rain at times
15° /9° 9.4 mm 4
24 Aug. Moderate rain at times
Moderate rain at times
14° /8° 5 mm 4
25 Aug. Light rain shower
Light rain shower
15° /9° 8.9 mm 4
26 Aug. Light rain shower
Light rain shower
16° /10° 8.4 mm 4
27 Aug. Light rain shower
Light rain shower
16° /11° 9.3 mm 4
28 Aug. Patchy rain possible
Patchy rain possible
16° /10° 2.5 mm 4
29 Aug. Light rain shower
Light rain shower
15° /9° 2.2 mm 4
30 Aug. Light rain shower
Light rain shower
16° /8° 2.4 mm 4
31 Aug. Moderate rain
Moderate rain
17° /8° 4.8 mm 4
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Important Notice
Our weather forecast for Donegal in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Donegal forecast closer to your planned date for the most up-to-date weather information.

Donegal in August - FAQ

What are the expected maximum and minimum temperatures in Donegal during August?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Donegal during August?
Significant rainfall exceeding 160.7 mm is expected in Donegal during August, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Donegal during August?
The average wind speed in Donegal during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Donegal in August?

As you prepare for your trip to Donegal in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Donegal, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

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Location coordinates Where is Donegal?

Get accurate weather forecasts for Donegal, located at latitude 54.654 and longitude -8.111. Stay updated with localized weather information tailored for Donegal.

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