Harrow
August
Weather in Harrow for August 2025
Your guide to Harrow weather in August - trends and predictions
In general, the average temperature in Harrow at the beginning of August is 21.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 20.7 °C by the end of August.
Expect significant rainfall in Harrow during August, with an average of 19 rainy days.
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12
Dry days
19
Rainy days
0
Snow days
21°/13°
Temperatures
18 km/h
Avg max wind
71 %
Avg humidity
Harrow in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3  22° | ||||
| 4 19° | 5 21° | 6 20° | 7  20° | 8 19° | 9  23° | 10  24° |
| 11 26° | 12 27° | 13 24° | 14  22° | 15 23° | 16 24° | 17 23° |
| 18 22° | 19 23° | 20 22° | 21 23° | 22 21° | 23 23° | 24 20° |
| 25 20° | 26 20° | 27 22° | 28 23° | 29 21° | 30 20° | 31  19° |
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Temperatures trend during August in Harrow
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 | 24° /15° | 1.8 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 22° /15° | 7.7 mm | 6 | |
| 3 Aug. | Overcast | 22° /14° | 0.7 mm | 5 | |
| 4 Aug. | Moderate rain at times | 19° /13° | 0.8 mm | 5 | |
| 5 Aug. | Moderate or heavy rain shower | 21° /12° | 9.3 mm | 6 | |
| 6 Aug. | Patchy rain possible | 20° /12° | 3.4 mm | 5 | |
| 7 Aug. | Cloudy | 20° /11° | 0 mm | 5 | |
| 8 Aug. | Patchy rain possible | 19° /12° | 1 mm | 5 | |
| 9 Aug. | Sunny | 23° /13° | 0.2 mm | 6 | |
| 10 Aug. | Partly cloudy | 24° /14° | 0.1 mm | 6 | |
| 11 Aug. | Patchy rain possible | 26° /16° | 0.2 mm | 6 | |
| 12 Aug. | Patchy rain possible | 27° /16° | 0.2 mm | 7 | |
| 13 Aug. | Patchy rain possible | 24° /15° | 0.2 mm | 6 | |
| 14 Aug. | Heavy rain at times | 22° /15° | 4.6 mm | 5 | |
| 15 Aug. | Patchy rain possible | 23° /12° | 0.2 mm | 5 | |
| 16 Aug. | Patchy rain possible | 24° /15° | 0.6 mm | 5 | |
| 17 Aug. | Partly cloudy | 23° /14° | 0 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 22° /14° | 2.8 mm | 6 | |
| 19 Aug. | Heavy rain at times | 23° /15° | 2.4 mm | 6 | |
| 20 Aug. | Patchy rain possible | 22° /13° | 1 mm | 5 | |
| 21 Aug. | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 22 Aug. | Overcast | 21° /14° | 0.2 mm | 5 | |
| 23 Aug. | Overcast | 23° /14° | 0.9 mm | 5 | |
| 24 Aug. | Heavy rain at times | 20° /14° | 9.9 mm | 5 | |
| 25 Aug. | Patchy rain possible | 20° /11° | 1.1 mm | 5 | |
| 26 Aug. | Light rain shower | 20° /12° | 1.7 mm | 5 | |
| 27 Aug. | Cloudy | 22° /12° | 0.1 mm | 5 | |
| 28 Aug. | Overcast | 23° /13° | 0.1 mm | 5 | |
| 29 Aug. | Overcast | 21° /12° | 0.2 mm | 6 | |
| 30 Aug. | Overcast | 20° /11° | 0.1 mm | 5 | |
| 31 Aug. | Light drizzle | 19° /12° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Harrow 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 Harrow forecast closer to your planned date for the most up-to-date weather information.
Harrow in August - FAQ
What are the expected maximum and minimum temperatures in Harrow during August?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrow during August?
Moderate rainfall is anticipated in Harrow during August, with a total of 75.2 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Harrow during August?
The average wind speed in Harrow during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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