Derry
August
Weather in Derry for August 2025
Your guide to Derry weather in August - trends and predictions
In general, the average temperature in Derry 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.
Derry experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.
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4
Dry days
27
Rainy days
0
Snow days
17°/11°
Temperatures
20 km/h
Avg max wind
85 %
Avg humidity
Derry in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2  17° | 3  15° | ||||
| 4 17° | 5 16° | 6 16° | 7 17° | 8 17° | 9 20° | 10 20° |
| 11 20° | 12  18° | 13 18° | 14 19° | 15 17° | 16 18° | 17  19° |
| 18 17° | 19 17° | 20 16° | 21 17° | 22 17° | 23 15° | 24 15° |
| 25 14° | 26 17° | 27 16° | 28 17° | 29 16° | 30 16° | 31  16° |
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Temperatures trend during August in Derry
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. | Overcast | 20° /11° | 0.1 mm | 5 | |
| 2 Aug. | Moderate rain at times | 17° /9° | 4.3 mm | 4 | |
| 3 Aug. | Patchy rain possible | 15° /9° | 1.8 mm | 4 | |
| 4 Aug. | Patchy rain possible | 17° /10° | 5 mm | 4 | |
| 5 Aug. | Moderate rain at times | 16° /9° | 10.6 mm | 4 | |
| 6 Aug. | Patchy rain possible | 16° /7° | 1.5 mm | 4 | |
| 7 Aug. | Patchy rain possible | 17° /9° | 0.8 mm | 4 | |
| 8 Aug. | Patchy rain possible | 17° /8° | 2.3 mm | 4 | |
| 9 Aug. | Overcast | 20° /9° | 0.3 mm | 5 | |
| 10 Aug. | Patchy rain possible | 20° /12° | 3.6 mm | 5 | |
| 11 Aug. | Moderate or heavy rain shower | 20° /9° | 3.7 mm | 5 | |
| 12 Aug. | Heavy rain at times | 18° /11° | 8.6 mm | 4 | |
| 13 Aug. | Moderate rain at times | 18° /10° | 2.7 mm | 4 | |
| 14 Aug. | Patchy rain possible | 19° /9° | 0.5 mm | 4 | |
| 15 Aug. | Patchy rain possible | 17° /9° | 7.5 mm | 4 | |
| 16 Aug. | Patchy rain possible | 18° /8° | 0.7 mm | 4 | |
| 17 Aug. | Cloudy | 19° /9° | 0.4 mm | 5 | |
| 18 Aug. | Patchy rain possible | 17° /11° | 5.6 mm | 4 | |
| 19 Aug. | Moderate rain at times | 17° /12° | 11.4 mm | 4 | |
| 20 Aug. | Patchy rain possible | 16° /10° | 4.1 mm | 4 | |
| 21 Aug. | Moderate or heavy rain shower | 17° /11° | 9.3 mm | 4 | |
| 22 Aug. | Patchy rain possible | 17° /11° | 5 mm | 4 | |
| 23 Aug. | Moderate rain at times | 15° /9° | 6.8 mm | 4 | |
| 24 Aug. | Heavy rain at times | 15° /7° | 3.9 mm | 4 | |
| 25 Aug. | Light rain shower | 14° /7° | 8.3 mm | 4 | |
| 26 Aug. | Light rain shower | 17° /10° | 7.5 mm | 4 | |
| 27 Aug. | Light rain shower | 16° /11° | 5.8 mm | 4 | |
| 28 Aug. | Patchy rain possible | 17° /8° | 3 mm | 4 | |
| 29 Aug. | Light rain shower | 16° /8° | 1.2 mm | 4 | |
| 30 Aug. | Light rain shower | 16° /7° | 1.6 mm | 4 | |
| 31 Aug. | Light drizzle | 16° /8° | 0.5 mm | 4 | |
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Important Notice
Our weather forecast for Derry 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 Derry forecast closer to your planned date for the most up-to-date weather information.
Derry in August - FAQ
What are the expected maximum and minimum temperatures in Derry during August?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Derry during August?
Significant rainfall exceeding 108.8 mm is expected in Derry during August, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Derry during August?
The average wind speed in Derry during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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