Portsmouth
July
Weather in Portsmouth for July 2026
Your guide to Portsmouth weather in July - trends and predictions
So far, July 2026 in Portsmouth shows a warmer trend than usual by 4 °C.
The forecast for the next days in Portsmouth predicts temperatures to be around 23 °C, close to the historical average.
In general, the average temperature in Portsmouth at the beginning of July is 20.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.4 °C by the end of July.
Portsmouth in July brings notable rainfall, with an average of 19 rainy days and a total precipitation of 55.4 mm.
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Temperatures
Rain 🌧️
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12
Dry days
19
Rainy days
0
Snow days
20°/15°
Temperatures
27 km/h
Avg max wind
74 %
Avg humidity
Portsmouth Weather July
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Temperatures trend during July in Portsmouth
See the weather trend as well as the moving average line
July weather in Portsmouth day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 22° /14° | 0.2 mm | 6 | |
| 2 Jul. | Patchy rain possible | 21° /13° | 0.1 mm | 6 | |
| 3 Jul. | Patchy rain possible | 19° /12° | 0.5 mm | 6 | |
| 4 Jul. |  Moderate rain at times | 20° /12° | 1.6 mm | 6 | |
| 5 Jul. | Patchy rain possible | 19° /14° | 2.8 mm | 5 | |
| 6 Jul. | Patchy rain possible | 20° /14° | 2.8 mm | 5 | |
| 7 Jul. |  Sunny | 22° /14° | 0.8 mm | 6 | |
| 8 Jul. | Sunny | 21° /15° | 1.5 mm | 6 | |
| 9 Jul. | Patchy rain possible | 22° /15° | 1.7 mm | 6 | |
| 10 Jul. | Patchy rain possible | 22° /16° | 0.1 mm | 6 | |
| 11 Jul. | Sunny | 22° /15° | 0.4 mm | 6 | |
| 12 Jul. | Patchy rain possible | 22° /15° | 1.6 mm | 6 | |
| 13 Jul. | Patchy rain possible | 21° /14° | 0.2 mm | 6 | |
| 14 Jul. | Patchy rain possible | 21° /14° | 3.8 mm | 5 | |
| 15 Jul. | Light rain shower | 20° /15° | 3.6 mm | 5 | |
| 16 Jul. | Patchy rain possible | 21° /15° | 0.4 mm | 6 | |
| 17 Jul. | Patchy rain possible | 21° /15° | 0.2 mm | 6 | |
| 18 Jul. |  Cloudy | 22° /15° | 0 mm | 6 | |
| 19 Jul. | Sunny | 23° /12° | 0 mm | 5.8 | |
| 20 Jul. | Sunny | 22° /13° | 0 mm | 6.9 | |
| 21 Jul. | Sunny | 24° /14° | 0 mm | 7.1 | |
| 22 Jul. | Sunny | 25° /16° | 0 mm | 4.7 | |
| 23 Jul. | Sunny | 22° /15° | 0 mm | 7.1 | |
| 24 Jul. | Sunny | 24° /17° | 0 mm | 6 | |
| 25 Jul. | Sunny | 24° /16° | 0 mm | 6 | |
| 26 Jul. | Patchy rain possible | 20° /17° | 3.5 mm | 4 | |
| 27 Jul. | Sunny | 21° /17° | 0.1 mm | 6 | |
| 28 Jul. | Patchy rain possible | 20° /15° | 0.2 mm | 5 | |
| 29 Jul. | Sunny | 21° /13° | 0 mm | 6 | |
| 30 Jul. |  Partly cloudy | 21° /14° | 0 mm | 6 | |
| 31 Jul. | Partly cloudy | 23° /15° | 5.4 mm | 6 | |
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Important Notice
Our weather forecast for Portsmouth 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 Portsmouth forecast closer to your planned date for the most up-to-date weather information.
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Portsmouth in July - FAQ
What are the expected maximum and minimum temperatures in Portsmouth during July?
During July, expect a variety of temperatures with highs around 20° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portsmouth during July?
Moderate rainfall is anticipated in Portsmouth during July, with a total of 55.4 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Portsmouth during July?
The average wind speed in Portsmouth during July is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Portsmouth
Explore the daily rainfall trends and prepare for Portsmouths July weather 💧
Typically, Portsmouth has 19 rainy days in July with a total of 55.4 mm of rainfall.
UV exposure in Portsmouth during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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