Southampton
August
Weather in Southampton for August 2025
Your guide to Southampton weather in August - trends and predictions
In general, the average temperature in Southampton at the beginning of August is 20.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.7 °C by the end of August.
Southampton experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
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8
Dry days
23
Rainy days
0
Snow days
20°/13°
Temperatures
21 km/h
Avg max wind
79 %
Avg humidity
Southampton in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  21° | 3 21° | ||||
| 4 19° | 5 20° | 6 20° | 7 20° | 8 19° | 9  22° | 10 22° |
| 11 23° | 12 24° | 13 21° | 14 20° | 15 21° | 16 23° | 17  23° |
| 18  21° | 19 21° | 20 21° | 21 21° | 22 20° | 23 22° | 24 19° |
| 25 19° | 26 20° | 27 20° | 28 21° | 29 20° | 30 20° | 31  18° |
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Temperatures trend during August in Southampton
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° | 2.4 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 21° /14° | 8.5 mm | 5 | |
| 3 Aug. | Patchy rain possible | 21° /13° | 1 mm | 5 | |
| 4 Aug. | Patchy rain possible | 19° /11° | 0.2 mm | 5 | |
| 5 Aug. | Moderate or heavy rain shower | 20° /12° | 6.2 mm | 5 | |
| 6 Aug. | Patchy rain possible | 20° /11° | 1.5 mm | 5 | |
| 7 Aug. | Patchy rain possible | 20° /11° | 0.2 mm | 5 | |
| 8 Aug. | Moderate rain at times | 19° /12° | 1.1 mm | 4 | |
| 9 Aug. | Partly cloudy | 22° /13° | 0.1 mm | 6 | |
| 10 Aug. | Partly cloudy | 22° /14° | 0.1 mm | 6 | |
| 11 Aug. | Patchy rain possible | 23° /15° | 0.6 mm | 6 | |
| 12 Aug. | Patchy rain possible | 24° /14° | 1.1 mm | 6 | |
| 13 Aug. | Patchy rain possible | 21° /13° | 0.2 mm | 6 | |
| 14 Aug. | Moderate rain at times | 20° /14° | 2.6 mm | 5 | |
| 15 Aug. | Patchy rain possible | 21° /11° | 0.8 mm | 5 | |
| 16 Aug. | Patchy rain possible | 23° /13° | 0.5 mm | 5 | |
| 17 Aug. | Overcast | 23° /12° | 0 mm | 6 | |
| 18 Aug. | Heavy rain at times | 21° /14° | 4.2 mm | 6 | |
| 19 Aug. | Patchy rain possible | 21° /13° | 1.2 mm | 5 | |
| 20 Aug. | Patchy rain possible | 21° /13° | 1.7 mm | 5 | |
| 21 Aug. | Partly cloudy | 21° /11° | 0 mm | 5 | |
| 22 Aug. | Patchy rain possible | 20° /15° | 0.3 mm | 5 | |
| 23 Aug. | Overcast | 22° /14° | 0.4 mm | 5 | |
| 24 Aug. | Moderate rain at times | 19° /12° | 9.3 mm | 5 | |
| 25 Aug. | Light rain shower | 19° /10° | 0.7 mm | 4 | |
| 26 Aug. | Light rain shower | 20° /12° | 1.6 mm | 5 | |
| 27 Aug. | Light rain shower | 20° /12° | 0.4 mm | 5 | |
| 28 Aug. | Patchy rain possible | 21° /12° | 0.1 mm | 5 | |
| 29 Aug. | Patchy rain possible | 20° /11° | 0.2 mm | 6 | |
| 30 Aug. | Overcast | 20° /10° | 0.2 mm | 5 | |
| 31 Aug. | Moderate rain | 18° /11° | 10.3 mm | 4 | |
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Important Notice
Our weather forecast for Southampton 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 Southampton forecast closer to your planned date for the most up-to-date weather information.
Southampton in August - FAQ
What are the expected maximum and minimum temperatures in Southampton during August?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Southampton during August?
Moderate rainfall is anticipated in Southampton during August, with a total of 84.7 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Southampton during August?
The average wind speed in Southampton during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
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