Portesham Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portesham.
Climate overview of Portesham
Portesham, Dorset, United Kingdom, sees big temperature differences between seasons, with July peaking at 21°C (70°F) and February dropping to 10°C (50°F).
Annual rainfall is moderate at around 892 mm (35 in), with October being the wettest month. The city also has pleasant summers and cold winters. Sunshine peaks in May, when the city sees around 6.6 hours of sunshine per day.
Portesham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portesham - and find the best time to visit.
Monthly Temperature in Portesham
Visitors to Portesham can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 21°C (70°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 14°C (57°F) in July to 4°C (39°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Portesham
Generally, Portesham experiences moderate precipitation patterns, averaging 892 mm (35 in) yearly. Despite minor fluctuations, Portesham enjoys fairly consistent precipitation throughout the year. In October, you can expect around 97 mm (3.8 in) of precipitation, while in July, Portesham receives about 59 mm (2.3 in). For more details, please visit our Portesham Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Portesham
Portesham can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Portesham
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May, June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Portesham
What is the best time to visit Portesham?
July and August typically offer the most optimal weather in Portesham. In contrast, January, February and December tend to have less optimal conditions. Portesham has pleasant summers and cold winters.
What temperatures can I expect in Portesham?
Daytime highs range from 10°C (50°F) in February to 21°C (70°F) in July. Nighttime lows range from 4°C (39°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Portesham get?
Annual rainfall is around 892 mm (35 in). October is the wettest month with 97 mm (3.8 in), while July is the driest with 59 mm (2.3 in).
How sunny is Portesham?
Portesham receives around 1,552 hours of sunshine per year. May is the sunniest month with 197 hours, while December is the cloudiest with just 53 hours.
Portesham 3-Day Forecast
Portesham on the map
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