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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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Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/13°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Southampton in August average weather

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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
Patchy rain possible
23° /14° 2.4 mm 6
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /14° 8.5 mm 5
3 Aug. Patchy rain possible
Patchy rain possible
21° /13° 1 mm 5
4 Aug. Patchy rain possible
Patchy rain possible
19° /11° 0.2 mm 5
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /12° 6.2 mm 5
6 Aug. Patchy rain possible
Patchy rain possible
20° /11° 1.5 mm 5
7 Aug. Patchy rain possible
Patchy rain possible
20° /11° 0.2 mm 5
8 Aug. Moderate rain at times
Moderate rain at times
19° /12° 1.1 mm 4
9 Aug. Partly cloudy
Partly cloudy
22° /13° 0.1 mm 6
10 Aug. Partly cloudy
Partly cloudy
22° /14° 0.1 mm 6
11 Aug. Patchy rain possible
Patchy rain possible
23° /15° 0.6 mm 6
12 Aug. Patchy rain possible
Patchy rain possible
24° /14° 1.1 mm 6
13 Aug. Patchy rain possible
Patchy rain possible
21° /13° 0.2 mm 6
14 Aug. Moderate rain at times
Moderate rain at times
20° /14° 2.6 mm 5
15 Aug. Patchy rain possible
Patchy rain possible
21° /11° 0.8 mm 5
16 Aug. Patchy rain possible
Patchy rain possible
23° /13° 0.5 mm 5
17 Aug. Overcast
Overcast
23° /12° 0 mm 6
18 Aug. Heavy rain at times
Heavy rain at times
21° /14° 4.2 mm 6
19 Aug. Patchy rain possible
Patchy rain possible
21° /13° 1.2 mm 5
20 Aug. Patchy rain possible
Patchy rain possible
21° /13° 1.7 mm 5
21 Aug. Partly cloudy
Partly cloudy
21° /11° 0 mm 5
22 Aug. Patchy rain possible
Patchy rain possible
20° /15° 0.3 mm 5
23 Aug. Overcast
Overcast
22° /14° 0.4 mm 5
24 Aug. Moderate rain at times
Moderate rain at times
19° /12° 9.3 mm 5
25 Aug. Light rain shower
Light rain shower
19° /10° 0.7 mm 4
26 Aug. Light rain shower
Light rain shower
20° /12° 1.6 mm 5
27 Aug. Light rain shower
Light rain shower
20° /12° 0.4 mm 5
28 Aug. Patchy rain possible
Patchy rain possible
21° /12° 0.1 mm 5
29 Aug. Patchy rain possible
Patchy rain possible
20° /11° 0.2 mm 6
30 Aug. Overcast
Overcast
20° /10° 0.2 mm 5
31 Aug. Moderate rain
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.

August rainfall patterns in Southampton

Explore the daily rainfall trends and prepare for Southamptons August weather 💧

UV exposure in Southampton during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Southampton?

Get accurate weather forecasts for Southampton, located at latitude 50.904 and longitude -1.404. Stay updated with localized weather information tailored for Southampton.

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