County Donegal (Donegal)
August
Weather in County Donegal for August 2025
Your guide to County Donegal weather in August - trends and predictions
In general, the average temperature in County 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.
County Donegal experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 185.8 mm.
Is August a good time to visit County Donegal? check out the best time to travel to County Donegal page.
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Temperatures
Rain 🌧️
More
4
Dry days
27
Rainy days
0
Snow days
16°/9°
Temperatures
23 km/h
Avg max wind
85 %
Avg humidity
County 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 County 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 County 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 County Donegal forecast closer to your planned date for the most up-to-date weather information.
County Donegal in August - FAQ
What are the expected maximum and minimum temperatures in County Donegal during August?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in County Donegal during August?
Significant rainfall exceeding 185.8 mm is expected in County Donegal during August, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in County Donegal during August?
The average wind speed in County Donegal during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to County Donegal in August?
As you prepare for your trip to County 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 County 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 County Donegal
Explore the daily rainfall trends and prepare for County Donegals August weather 💧
UV exposure in County Donegal during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is County Donegal?Get accurate weather forecasts for County Donegal, located at latitude 54.654 and longitude -8.111. Stay updated with localized weather information tailored for County Donegal.
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