Ulster (Donegal)
August
Weather in Ulster for August 2025
Your guide to Ulster weather in August - trends and predictions
In general, the average temperature in Ulster 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.
Ulster 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
Ulster 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 Ulster
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 Ulster 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 Ulster forecast closer to your planned date for the most up-to-date weather information.
Ulster in August - FAQ
What are the expected maximum and minimum temperatures in Ulster 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 Ulster during August?
Significant rainfall exceeding 185.8 mm is expected in Ulster during August, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ulster during August?
The average wind speed in Ulster during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Ulster
Explore the daily rainfall trends and prepare for Ulsters August weather 💧
UV exposure in Ulster during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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