Hertfordshire
August
Weather in Hertfordshire for August 2025
Your guide to Hertfordshire weather in August - trends and predictions
In general, the average temperature in Hertfordshire at the beginning of August is 20.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 20.6 °C by the end of August.
Expect significant rainfall in Hertfordshire during August, with an average of 20 rainy days.
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11
Dry days
20
Rainy days
0
Snow days
21°/12°
Temperatures
21 km/h
Avg max wind
73 %
Avg humidity
Hertfordshire in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  22° | 3  21° | ||||
| 4 19° | 5 21° | 6 20° | 7 20° | 8 19° | 9  23° | 10 24° |
| 11 25° | 12 27° | 13 23° | 14 21° | 15 22° | 16 23° | 17  23° |
| 18  21° | 19 23° | 20  22° | 21 23° | 22 21° | 23 23° | 24 19° |
| 25 19° | 26 20° | 27 22° | 28 23° | 29 20° | 30 21° | 31  19° |
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Temperatures trend during August in Hertfordshire
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 | 23° /14° | 1.2 mm | 5 | |
| 2 Aug. | Moderate or heavy rain shower | 22° /15° | 7.3 mm | 6 | |
| 3 Aug. | Overcast | 21° /13° | 0.8 mm | 5 | |
| 4 Aug. | Patchy rain possible | 19° /11° | 0.6 mm | 4 | |
| 5 Aug. | Moderate or heavy rain shower | 21° /11° | 7.1 mm | 6 | |
| 6 Aug. | Patchy rain possible | 20° /11° | 2.8 mm | 5 | |
| 7 Aug. | Patchy rain possible | 20° /10° | 0.1 mm | 5 | |
| 8 Aug. | Moderate rain at times | 19° /10° | 1.3 mm | 5 | |
| 9 Aug. | Sunny | 23° /12° | 0.1 mm | 6 | |
| 10 Aug. | Sunny | 24° /14° | 0.2 mm | 6 | |
| 11 Aug. | Patchy rain possible | 25° /15° | 0.1 mm | 6 | |
| 12 Aug. | Patchy rain possible | 27° /15° | 0.3 mm | 7 | |
| 13 Aug. | Patchy rain possible | 23° /13° | 0.3 mm | 6 | |
| 14 Aug. | Moderate rain at times | 21° /14° | 4 mm | 5 | |
| 15 Aug. | Overcast | 22° /11° | 0.2 mm | 5 | |
| 16 Aug. | Patchy rain possible | 23° /14° | 0.6 mm | 5 | |
| 17 Aug. | Cloudy | 23° /12° | 0 mm | 6 | |
| 18 Aug. | Heavy rain at times | 21° /13° | 2 mm | 5 | |
| 19 Aug. | Heavy rain at times | 23° /13° | 1.8 mm | 6 | |
| 20 Aug. | Partly cloudy | 22° /13° | 0.9 mm | 6 | |
| 21 Aug. | Partly cloudy | 23° /11° | 0 mm | 6 | |
| 22 Aug. | Cloudy | 21° /13° | 0.2 mm | 5 | |
| 23 Aug. | Cloudy | 23° /14° | 0.9 mm | 5 | |
| 24 Aug. | Moderate or heavy rain shower | 19° /13° | 8.9 mm | 5 | |
| 25 Aug. | Patchy rain possible | 19° /10° | 0.5 mm | 5 | |
| 26 Aug. | Light rain shower | 20° /11° | 1.2 mm | 5 | |
| 27 Aug. | Cloudy | 22° /11° | 0.2 mm | 5 | |
| 28 Aug. | Overcast | 23° /12° | 0.2 mm | 5 | |
| 29 Aug. | Overcast | 20° /11° | 0.2 mm | 6 | |
| 30 Aug. | Cloudy | 21° /10° | 0.3 mm | 5 | |
| 31 Aug. | Light drizzle | 19° /11° | 0.2 mm | 5 | |
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Important Notice
Our weather forecast for Hertfordshire 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 Hertfordshire forecast closer to your planned date for the most up-to-date weather information.
Hertfordshire in August - FAQ
What are the expected maximum and minimum temperatures in Hertfordshire during August?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hertfordshire during August?
Moderate rainfall is anticipated in Hertfordshire during August, with a total of 63.8 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Hertfordshire during August?
The average wind speed in Hertfordshire during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
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