Portsmouth
August
Weather in Portsmouth for August 2027
Your guide to Portsmouth weather in August - trends and predictions
In general, the average temperature in Portsmouth at the beginning of August is 20.5 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.4 °C by the end of August.
Portsmouth experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 44.2 mm.
Is August a good time to visit Portsmouth? check out the best time to travel to Portsmouth page.
✨ Is August a good time to visit Portsmouth? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
21°/15°
Temperatures
27 km/h
Avg max wind
73 %
Avg humidity
Portsmouth Weather August
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Temperatures trend during August in Portsmouth
See the weather trend as well as the moving average line
August weather in Portsmouth day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 22° /14° | 1.6 mm | 6 | |
| 2 Aug. |  Light rain | 21° /15° | 2.6 mm | 6 | |
| 3 Aug. | Light rain shower | 22° /15° | 1.1 mm | 6 | |
| 4 Aug. | Patchy rain possible | 20° /15° | 0.2 mm | 6 | |
| 5 Aug. | Patchy rain possible | 20° /14° | 2.2 mm | 6 | |
| 6 Aug. | Patchy rain possible | 20° /14° | 0.5 mm | 5 | |
| 7 Aug. | Patchy rain possible | 19° /14° | 0.2 mm | 5 | |
| 8 Aug. | Patchy rain possible | 20° /14° | 0.4 mm | 6 | |
| 9 Aug. |  Partly cloudy | 22° /15° | 0.1 mm | 6 | |
| 10 Aug. |  Sunny | 21° /16° | 0 mm | 6 | |
| 11 Aug. | Partly cloudy | 22° /17° | 0.2 mm | 6 | |
| 12 Aug. | Sunny | 22° /17° | 0.4 mm | 6 | |
| 13 Aug. | Sunny | 22° /17° | 0.2 mm | 6 | |
| 14 Aug. | Patchy rain possible | 23° /17° | 1.4 mm | 6 | |
| 15 Aug. | Patchy rain possible | 22° /16° | 0.1 mm | 5 | |
| 16 Aug. | Patchy rain possible | 22° /14° | 0.4 mm | 5 | |
| 17 Aug. | Patchy rain possible | 21° /15° | 0.4 mm | 5 | |
| 18 Aug. | Light rain | 21° /16° | 2.6 mm | 4 | |
| 19 Aug. | Light rain | 21° /16° | 3.1 mm | 4 | |
| 20 Aug. | Patchy rain possible | 20° /15° | 1.7 mm | 5 | |
| 21 Aug. | Sunny | 20° /13° | 0.4 mm | 5 | |
| 22 Aug. | Patchy rain possible | 19° /14° | 0.2 mm | 5 | |
| 23 Aug. | Partly cloudy | 20° /15° | 0.4 mm | 5 | |
| 24 Aug. | Light rain | 20° /15° | 4.8 mm | 5 | |
| 25 Aug. |  Cloudy | 20° /15° | 0.1 mm | 4 | |
| 26 Aug. | Light rain shower | 20° /16° | 1.3 mm | 4 | |
| 27 Aug. | Patchy rain possible | 20° /16° | 1.7 mm | 4 | |
| 28 Aug. | Patchy rain possible | 20° /15° | 0.7 mm | 5 | |
| 29 Aug. | Light rain | 20° /14° | 5.3 mm | 4 | |
| 30 Aug. | Patchy rain possible | 19° /14° | 1.9 mm | 4 | |
| 31 Aug. | Light rain | 19° /15° | 7.8 mm | 4 | |
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Important Notice
Our weather forecast for Portsmouth 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 Portsmouth forecast closer to your planned date for the most up-to-date weather information.
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Portsmouth in August - FAQ
What are the expected maximum and minimum temperatures in Portsmouth during August?
During August, expect a variety of temperatures with highs around 21° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portsmouth during August?
In August, Portsmouth can expect light to moderate rainfall, totaling 44.2 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Portsmouth during August?
The average wind speed in Portsmouth during August is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Portsmouth
Explore the daily rainfall trends and prepare for Portsmouths August weather 💧
Typically, Portsmouth has 9 rainy days in August with a total of 44.2 mm of rainfall.
UV exposure in Portsmouth during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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