Donegal
August
Weather in Donegal for August 2026
Your guide to Donegal weather in August - trends and predictions
In general, the average temperature in 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.
Donegal experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 152.3 mm.
Temperatures
Rain 🌧️
6
Dry days
25
Rainy days
0
Snow days
17°/10°
Temperatures
21 km/h
Avg max wind
83 %
Avg humidity
Donegal Weather August
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Temperatures trend during August in Donegal
See the weather trend as well as the moving average line
August weather in 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 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.
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Donegal in August - FAQ
What are the expected maximum and minimum temperatures in Donegal during August?
Enjoy moderate daytime temperatures of up to 17° 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 152.3 mm is expected in Donegal during August, occurring over more than 25 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 21 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Donegal
Explore the daily rainfall trends and prepare for Donegals August weather 💧
Typically, Donegal has 25 rainy days in August with a total of 152.3 mm of rainfall.
UV exposure in Donegal during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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