Donegal
August
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.
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1
Dry days
30
Rainy days
0
Snow days
16°/10°
Temperatures
22 km/h
Avg max wind
85 %
Avg humidity
Donegal in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2  16° | 3 15° | ||||
| 4  17° | 5 17° | 6 15° | 7 15° | 8 16° | 9 17° | 10 16° |
| 11 22° | 12 18° | 13 17° | 14 18° | 15 15° | 16 15° | 17 15° |
| 18 16° | 19 15° | 20 12° | 21  16° | 22 16° | 23 15° | 24 14° |
| 25 15° | 26 16° | 27 16° | 28 16° | 29 15° | 30 16° | 31 17° |
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Temperatures trend during August in Donegal
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 20° /11° | 0.2 mm | 5 | |
| 2 Aug. | Moderate rain | 16° /9° | 5 mm | 4 | |
| 3 Aug. | Light rain shower | 15° /8° | 2.7 mm | 4 | |
| 4 Aug. | Light rain | 17° /11° | 11.8 mm | 4 | |
| 5 Aug. | Moderate rain | 17° /9° | 19.3 mm | 4 | |
| 6 Aug. | Light rain shower | 15° /7° | 3.3 mm | 4 | |
| 7 Aug. | Light rain shower | 15° /11° | 2.9 mm | 4 | |
| 8 Aug. | Light rain shower | 16° /10° | 4.7 mm | 4 | |
| 9 Aug. | Patchy rain possible | 17° /11° | 1.8 mm | 4 | |
| 10 Aug. | Light rain shower | 16° /9° | 1.1 mm | 4 | |
| 11 Aug. | Patchy rain possible | 22° /8° | 8.2 mm | 5 | |
| 12 Aug. | Patchy rain possible | 18° /10° | 1.8 mm | 4 | |
| 13 Aug. | Light rain shower | 17° /9° | 2.1 mm | 4 | |
| 14 Aug. | Patchy rain possible | 18° /8° | 0.8 mm | 4 | |
| 15 Aug. | Light rain | 15° /9° | 16.6 mm | 4 | |
| 16 Aug. | Patchy rain possible | 15° /8° | 1.2 mm | 4 | |
| 17 Aug. | Patchy rain possible | 15° /9° | 0.7 mm | 4 | |
| 18 Aug. | Patchy rain possible | 16° /10° | 0.6 mm | 4 | |
| 19 Aug. | Light rain shower | 15° /9° | 14.4 mm | 4 | |
| 20 Aug. | Light rain shower | 12° /8° | 8.5 mm | 3 | |
| 21 Aug. | Moderate or heavy rain shower | 16° /11° | 15.1 mm | 4 | |
| 22 Aug. | Patchy rain possible | 16° /11° | 10 mm | 4 | |
| 23 Aug. | Moderate rain at times | 15° /9° | 9.4 mm | 4 | |
| 24 Aug. | Moderate rain at times | 14° /8° | 5 mm | 4 | |
| 25 Aug. | Light rain shower | 15° /9° | 8.9 mm | 4 | |
| 26 Aug. | Light rain shower | 16° /10° | 8.4 mm | 4 | |
| 27 Aug. | Light rain shower | 16° /11° | 9.3 mm | 4 | |
| 28 Aug. | Patchy rain possible | 16° /10° | 2.5 mm | 4 | |
| 29 Aug. | Light rain shower | 15° /9° | 2.2 mm | 4 | |
| 30 Aug. | Light rain shower | 16° /8° | 2.4 mm | 4 | |
| 31 Aug. | 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
August rainfall patterns in Donegal
Explore the daily rainfall trends and prepare for Donegals August weather 💧
UV exposure in Donegal during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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