Southampton
July
Weather in Southampton for July 2025
Your guide to Southampton weather in July - trends and predictions
In general, the average temperature in Southampton at the beginning of July is 18.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.6 °C by the end of July.
Southampton experiences an exceptionally high level of rainfall in July, with more than 24 rainy days on average.
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6
Dry days
25
Rainy days
0
Snow days
20°/13°
Temperatures
26 km/h
Avg max wind
78 %
Avg humidity
Southampton in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2  18° | 3  18° | 4  18° | 5 19° | 6 17° | |
| 7  22° | 8 20° | 9 20° | 10 20° | 11 21° | 12 19° | 13 19° |
| 14 19° | 15  18° | 16 19° | 17 20° | 18 22° | 19 23° | 20 20° |
| 21 20° | 22 19° | 23 21° | 24 20° | 25 19° | 26 21° | 27 20° |
| 28 22° | 29 23° | 30 23° | 31 23° |
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Temperatures trend during July in Southampton
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Overcast | 20° /12° | 0.1 mm | 5 | |
| 2 Jul. | Cloudy | 18° /10° | 0.1 mm | 4 | |
| 3 Jul. | Patchy rain possible | 18° /11° | 0.7 mm | 4 | |
| 4 Jul. | Moderate or heavy rain shower | 18° /10° | 6.6 mm | 4 | |
| 5 Jul. | Patchy rain possible | 19° /11° | 5.1 mm | 4 | |
| 6 Jul. | Patchy rain possible | 17° /10° | 4.1 mm | 4 | |
| 7 Jul. | Sunny | 22° /10° | 2.5 mm | 6 | |
| 8 Jul. | Patchy rain possible | 20° /12° | 3.9 mm | 5 | |
| 9 Jul. | Moderate rain at times | 20° /13° | 3.7 mm | 5 | |
| 10 Jul. | Patchy rain possible | 20° /12° | 1.3 mm | 5 | |
| 11 Jul. | Overcast | 21° /12° | 2.3 mm | 5 | |
| 12 Jul. | Patchy rain possible | 19° /11° | 2.4 mm | 4 | |
| 13 Jul. | Patchy rain possible | 19° /11° | 1 mm | 5 | |
| 14 Jul. | Moderate or heavy rain shower | 19° /11° | 9.4 mm | 4 | |
| 15 Jul. | Heavy rain at times | 18° /12° | 7 mm | 4 | |
| 16 Jul. | Patchy rain possible | 19° /12° | 1.3 mm | 4 | |
| 17 Jul. | Patchy rain possible | 20° /12° | 0.4 mm | 5 | |
| 18 Jul. | Overcast | 22° /12° | 0 mm | 6 | |
| 19 Jul. | Patchy rain possible | 23° /14° | 0.2 mm | 6 | |
| 20 Jul. | Cloudy | 20° /13° | 2 mm | 5 | |
| 21 Jul. | Patchy rain possible | 20° /11° | 0.5 mm | 5 | |
| 22 Jul. | Heavy rain at times | 19° /12° | 5.4 mm | 5 | |
| 23 Jul. | Patchy rain possible | 21° /14° | 2.2 mm | 5 | |
| 24 Jul. | Patchy rain possible | 20° /13° | 0.8 mm | 5 | |
| 25 Jul. | Patchy rain possible | 19° /13° | 7.6 mm | 5 | |
| 26 Jul. | Moderate rain at times | 21° /11° | 3.5 mm | 5 | |
| 27 Jul. | Heavy rain at times | 20° /13° | 4.2 mm | 5 | |
| 28 Jul. | Patchy rain possible | 22° /13° | 0.4 mm | 6 | |
| 29 Jul. | Patchy rain possible | 23° /14° | 0.6 mm | 6 | |
| 30 Jul. | Moderate rain at times | 23° /14° | 1.3 mm | 6 | |
| 31 Jul. | Patchy rain possible | 23° /16° | 2 mm | 6 | |
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Important Notice
Our weather forecast for Southampton in July 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 July - FAQ
What are the expected maximum and minimum temperatures in Southampton during July?
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 July?
Moderate rainfall is anticipated in Southampton during July, with a total of 87.1 mm spread over approximately 25 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Southampton during July?
The average wind speed in Southampton during July is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
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