Barnham Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Barnham.
Climate overview of Barnham
Barnham, West Sussex, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 21°C (70°F) in August, while winters cool to 9°C (48°F) in February.
With around 885 mm (35 in) of annual rainfall, the city has moderate precipitation levels. November is the wettest month and May the driest. It also has pleasant summers and cold winters.
Barnham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barnham - and find the best time to visit.
Monthly Temperature in Barnham
Depending on the time of the year, temperatures range from pleasant to chilly in Barnham. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°F) in August to a chilly 9°C (48°F) in the coolest month, February.
Nights vary from 15°C (59°F) in August to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Barnham
Generally, Barnham has a moderate amount of precipitation, averaging 885 mm (35 in) of rainfall annually. Barnham offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month November (106 mm (4.2 in)) and the driest month May (55 mm (2.2 in)) is not too significant. For more details, please visit our Barnham Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Barnham
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
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Barnham
What is the best time to visit Barnham?
July and August typically offer the most optimal weather in Barnham. In contrast, January, February, November and December tend to have less optimal conditions. Barnham has pleasant summers and cold winters.
What temperatures can I expect in Barnham?
Daytime highs range from 9°C (48°F) in February to 21°C (70°F) in August. Nighttime lows range from 5°C (41°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Barnham get?
Annual rainfall is around 885 mm (35 in). November is the wettest month with 106 mm (4.2 in), while May is the driest with 55 mm (2.2 in).
Barnham 3-Day Forecast
Barnham 3-Day Forecast
Barnham on the map
Barnham is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
London
23°C (73°F) Bath22°C (72°F) York22°C (72°F) Manchester
21°C (70°F) Edinburgh
19°C (66°F) Glasgow19°C (66°F) Torquay20°C (68°F) Blackpool19°C (66°F) 
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