Dorset Weather & Climate: the United Kingdom

Climate by month across Dorset, the United Kingdom, average temperatures, rainfall and the best time to visit.

Climate overview of Dorset

Whether you're visiting Dorset in the United Kingdom during the peak of August (21°C (70°F)) or the cooler months around February (9°C (48°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Bournemouth, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

The weather in Dorset during July, August and September is comfortably warm, with average temperatures ranging from 19°C (66°F) to 21°C (70°F).

The colder weather is most prominent in the months of January and February.

Precipitation in Dorset shows some seasonal variation. You'll find the most rain in November (107 mm (4.2 in)), while July tends to be drier (57 mm (2.2 in)).

Visitors hoping to maximize their time in the sun should consider planning their trip for July, when daylight hours are at their peak.

Explore Dorset by month

Popular cities by month

Compare cities per month. Toggle cities on/off.

Bournemouth Weymouth Poole Lyme Regis Swanage Bridport
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Dorset

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Bournemouth 10°C (50°F) 21°C (70°F) 5°C (41°F) 15°C (59°F) 919 mm (36 in) 1,694 hours
Weymouth 10°C (50°F) 20°C (68°F) 5°C (41°F) 15°C (59°F) 930 mm (37 in) 1,674 hours
Poole 10°C (50°F) 21°C (70°F) 4°C (39°F) 15°C (59°F) 839 mm (33 in) 1,674 hours
Lyme Regis 10°C (50°F) 22°C (72°F) 4°C (39°F) 14°C (57°F) 796 mm (31 in) 1,552 hours
Swanage 10°C (50°F) 20°C (68°F) 5°C (41°F) 15°C (59°F) 915 mm (36 in) 1,694 hours
Bridport 10°C (50°F) 22°C (72°F) 4°C (39°F) 14°C (57°F) 813 mm (32 in) 1,552 hours

Places in Dorset, the United Kingdom

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.