County Donegal (Donegal)
August
Weather in County Donegal for August 2026
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 16.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16 °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.
Temperatures
Rain 🌧️
4
Dry days
27
Rainy days
0
Snow days
16°/9°
Temperatures
23 km/h
Avg max wind
85 %
Avg humidity
County Donegal Weather August
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Temperatures trend during August in County Donegal
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August weather in County Donegal day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 19° /10° | 0.1 mm | 5 | |
| 2 Aug. |  Moderate rain | 17° /9° | 4 mm | 4 | |
| 3 Aug. | Light rain shower | 16° /9° | 5.4 mm | 4 | |
| 4 Aug. |  Light rain | 17° /11° | 12.6 mm | 4 | |
| 5 Aug. | Moderate rain | 17° /9° | 10.3 mm | 4 | |
| 6 Aug. | Light rain shower | 16° /8° | 2.1 mm | 4 | |
| 7 Aug. | Light rain shower | 16° /10° | 2.7 mm | 4 | |
| 8 Aug. | Light rain shower | 17° /10° | 2.6 mm | 4 | |
| 9 Aug. | Patchy rain possible | 17° /10° | 3.5 mm | 4 | |
| 10 Aug. | Light rain shower | 18° /8° | 4.7 mm | 4 | |
| 11 Aug. | Patchy rain possible | 22° /10° | 5 mm | 5 | |
| 12 Aug. | Patchy rain possible | 21° /11° | 0.9 mm | 5 | |
| 13 Aug. | Light rain shower | 21° /11° | 1 mm | 5 | |
| 14 Aug. | Patchy rain possible | 19° /10° | 0.4 mm | 5 | |
| 15 Aug. | Light rain | 18° /10° | 8.3 mm | 5 | |
| 16 Aug. | Patchy rain possible | 20° /9° | 0.6 mm | 5 | |
| 17 Aug. | Patchy rain possible | 19° /10° | 0.3 mm | 5 | |
| 18 Aug. | Patchy rain possible | 20° /11° | 0.3 mm | 5 | |
| 19 Aug. | Light rain shower | 18° /11° | 7.2 mm | 5 | |
| 20 Aug. | Light rain shower | 12° /8° | 8.5 mm | 3 | |
| 21 Aug. |  Moderate or heavy rain shower | 17° /10° | 10.1 mm | 4 | |
| 22 Aug. | Patchy rain possible | 17° /10° | 6.7 mm | 4 | |
| 23 Aug. | Light rain shower | 17° /11° | 6.7 mm | 4 | |
| 24 Aug. | Moderate rain at times | 17° /9° | 3.3 mm | 4 | |
| 25 Aug. | Light rain shower | 18° /10° | 6.1 mm | 4 | |
| 26 Aug. | Light rain shower | 16° /10° | 7.1 mm | 4 | |
| 27 Aug. | Light rain shower | 16° /11° | 11.1 mm | 4 | |
| 28 Aug. | Light rain shower | 15° /10° | 6.5 mm | 4 | |
| 29 Aug. | Light rain shower | 15° /10° | 4.2 mm | 4 | |
| 30 Aug. | Light rain shower | 16° /9° | 4.7 mm | 4 | |
| 31 Aug. | Moderate rain | 16° /9° | 5.2 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.
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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.
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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