South Downs National Park Weather by Month — Temperature & Rainfall Guide

South Downs National Park is a region in the United Kingdom. Many people wonder what the weather conditions are in South Downs National Park over the year. What is the best time to visit South Downs National Park?

This page shows the average weather conditions by month in South Downs National Park over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

January is a winter month. In Arundel you can expect cold maximum average daytime temperatures around 9°C (48°F) and nighttime temperatures around 5°C (41°F).

Find more detailed climate information for South Downs National Park in January here.

February is a winter month. In Arundel you can expect cold maximum average daytime temperatures around 9°C (48°F) and nighttime temperatures around 4°C (39°F). On average, this month is the coldest month of the year in South Downs National Park.

Find more detailed climate information for South Downs National Park in February here.

In Arundel you can expect cold maximum average daytime temperatures around 11°C (52°F) and nighttime temperatures around 5°C (41°F).

Find more detailed climate information for South Downs National Park in March here.

The average maximum daytime temperatures are moderate and range from 12°C (54°F) in Alfriston to 14°C (57°F) in Petersfield.

Find more detailed climate information for South Downs National Park in April here.

The average maximum daytime temperatures are moderate and range from 15°C (59°F) in Alfriston to 18°C (64°F) in Petersfield.

Find more detailed climate information for South Downs National Park in May here.

The temperatures range from moderate in Alfriston with 17°C (63°F) to pleasant in Petersfield with 20°C (68°F).

Find more detailed climate information for South Downs National Park in June here.

July is a summer month. The temperatures range from pleasant in Alfriston with 20°C (68°F) to high in Petersfield with 22°C (72°F).

Find more detailed climate information for South Downs National Park in July here.

August is a summer month. The temperatures range from pleasant in Alfriston with 20°C (68°F) to high in Petersfield with 22°C (72°F). On average, this month is the warmest month of the year in South Downs National Park.

Find more detailed climate information for South Downs National Park in August here.

September is a summer month. In Arundel you can expect pleasant maximum average daytime temperatures around 19°C (66°F) and nighttime temperatures around 13°C (55°F).

Find more detailed climate information for South Downs National Park in September here.

In Arundel you can expect mild maximum average daytime temperatures around 16°C (61°F) and nighttime temperatures around 11°C (52°F).

Find more detailed climate information for South Downs National Park in October here.

In Arundel you can expect mild maximum average daytime temperatures around 13°C (55°F) and nighttime temperatures around 8°C (46°F).

Find more detailed climate information for South Downs National Park in November here.

December is a winter month. In Arundel you can expect cold maximum average daytime temperatures around 10°C (50°F) and nighttime temperatures around 5°C (41°F).

Find more detailed climate information for South Downs National Park in December here.