Dorset (Weymouth)
August
Weather in Dorset for August 2026
Your guide to Dorset weather in August - trends and predictions
In general, the average temperature in Dorset at the beginning of August is 18.4 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 18 °C by the end of August.
The climate of Dorset in August is notably wet, with an average of 15 rainy days, and a total of 53.5 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
18°/15°
Temperatures
27 km/h
Avg max wind
81 %
Avg humidity
Dorset Weather August
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Temperatures trend during August in Dorset
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August weather in Dorset day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 20° /14° | 1.5 mm | 5 | |
| 2 Aug. |  Moderate or heavy rain shower | 18° /14° | 6.1 mm | 5 | |
| 3 Aug. |  Patchy rain possible | 19° /15° | 1 mm | 4 | |
| 4 Aug. | Patchy rain possible | 18° /14° | 0.2 mm | 4 | |
| 5 Aug. |  Heavy rain at times | 18° /14° | 1.5 mm | 4 | |
| 6 Aug. | Patchy rain possible | 18° /14° | 1.5 mm | 4 | |
| 7 Aug. | Patchy rain possible | 18° /14° | 0.4 mm | 4 | |
| 8 Aug. | Patchy rain possible | 18° /14° | 0.4 mm | 4 | |
| 9 Aug. |  Partly cloudy | 19° /15° | 0.1 mm | 5 | |
| 10 Aug. |  Overcast | 19° /15° | 0 mm | 5 | |
| 11 Aug. | Partly cloudy | 21° /16° | 0.3 mm | 5 | |
| 12 Aug. | Patchy rain possible | 21° /16° | 0.4 mm | 5 | |
| 13 Aug. | Patchy rain possible | 19° /15° | 0 mm | 4 | |
| 14 Aug. | Moderate rain at times | 19° /15° | 1.8 mm | 5 | |
| 15 Aug. | Patchy rain possible | 20° /14° | 0.7 mm | 5 | |
| 16 Aug. | Sunny | 20° /15° | 0.3 mm | 5 | |
| 17 Aug. | Patchy rain possible | 19° /14° | 0.3 mm | 5 | |
| 18 Aug. | Patchy rain possible | 20° /15° | 1.6 mm | 4 | |
| 19 Aug. | Patchy rain possible | 20° /15° | 0.7 mm | 4 | |
| 20 Aug. | Patchy rain possible | 19° /15° | 0.7 mm | 4 | |
| 21 Aug. | Partly cloudy | 18° /13° | 0 mm | 5 | |
| 22 Aug. |  Cloudy | 18° /15° | 0.3 mm | 4 | |
| 23 Aug. | Cloudy | 19° /15° | 0.4 mm | 5 | |
| 24 Aug. | Moderate rain at times | 19° /14° | 7.2 mm | 5 | |
| 25 Aug. | Patchy rain possible | 18° /14° | 0.7 mm | 5 | |
| 26 Aug. | Patchy rain possible | 18° /15° | 0.8 mm | 4 | |
| 27 Aug. | Patchy rain possible | 18° /14° | 1.3 mm | 4 | |
| 28 Aug. | Partly cloudy | 18° /14° | 3.8 mm | 4 | |
| 29 Aug. | Patchy rain possible | 18° /13° | 6.8 mm | 4 | |
| 30 Aug. | Overcast | 18° /13° | 1.3 mm | 4 | |
| 31 Aug. | Light rain shower | 18° /14° | 7.3 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Dorset 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 Dorset forecast closer to your planned date for the most up-to-date weather information.
Change Month
Dorset in August - FAQ
What are the expected maximum and minimum temperatures in Dorset during August?
During August, expect a variety of temperatures with highs around 18° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Dorset during August?
Moderate rainfall is anticipated in Dorset during August, with a total of 53.5 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Dorset during August?
The average wind speed in Dorset during August is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
Dorset water temperatures in August
The average water temperature of the Atlantic Ocean near Dorset in August is 16.4 °C. At the beginning of August temperatures are around 16.1 °C; by the end of the month they get a bit warmer and reach 16.6 °C.
- What is the water temperature in Dorset in August?
- The average water temperature in Dorset in August is 16.4 °C.
- Can you swim in Dorset in August?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
August rainfall patterns in Dorset
Explore the daily rainfall trends and prepare for Dorsets August weather 💧
Typically, Dorset has 15 rainy days in August with a total of 53.5 mm of rainfall.
UV exposure in Dorset during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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