East Sussex Weather by Month — Temperature & Rainfall Guide

East Sussex is a region in the United Kingdom. Many people wonder what the weather conditions are in East Sussex over the year. What is the best time to visit East Sussex?

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

In January the weather in East Sussex is generally less favorable. January is a winter month. In Brighton & Hove 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 East Sussex in January here.

In February the weather in East Sussex is generally less favorable. February is a winter month. In Brighton & Hove you can expect cold maximum average daytime temperatures around 9°C (48°F) and nighttime temperatures around 5°C (41°F). On average, this month is the coldest month of the year in East Sussex.

Find more detailed climate information for East Sussex in February here.

In March the weather in East Sussex ranges from less favorable in Eastbourne to mixed in Brighton & Hove. In Brighton & Hove you can expect cold maximum average daytime temperatures around 11°C (52°F) and nighttime temperatures around 6°C (43°F).

Find more detailed climate information for East Sussex in March here.

In April the weather in East Sussex ranges from mixed in Brighton & Hove to good in Rye. The temperatures range from low in Eastbourne with 12°C (54°F) to moderate in East Grinstead with 14°C (57°F).

Find more detailed climate information for East Sussex in April here.

In May the weather in East Sussex ranges from good in Brighton & Hove to very good in East Grinstead. The average maximum daytime temperatures are moderate and range from 15°C (59°F) in Eastbourne to 18°C (64°F) in East Grinstead.

Find more detailed climate information for East Sussex in May here.

In June the weather in East Sussex ranges from good in Eastbourne to excellent in Crawley. The temperatures range from moderate in Eastbourne with 17°C (63°F) to pleasant in East Grinstead with 20°C (68°F).

Find more detailed climate information for East Sussex in June here.

In July the weather in East Sussex ranges from very good in Eastbourne to excellent in Brighton & Hove. July is a summer month. The temperatures range from pleasant in Eastbourne with 19°C (66°F) to high in Gatwick with 23°C (73°F).

Find more detailed climate information for East Sussex in July here.

In August the weather in East Sussex is generally excellent. August is a summer month. The temperatures range from pleasant in Eastbourne with 20°C (68°F) to high in Northiam with 23°C (73°F). On average, this month is the warmest month of the year in East Sussex.

Find more detailed climate information for East Sussex in August here.

In September the weather in East Sussex ranges from very good in Brighton & Hove to excellent in Rye. September is a summer month. In Brighton & Hove you can expect pleasant maximum average daytime temperatures around 19°C (66°F) and nighttime temperatures around 14°C (57°F).

Find more detailed climate information for East Sussex in September here.

In October the weather in East Sussex ranges from mixed in Brighton & Hove to good in Rye. In Brighton & Hove 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 East Sussex in October here.

In November the weather in East Sussex ranges from less favorable in Brighton & Hove to mixed in Rye. In Brighton & Hove 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 East Sussex in November here.

In December the weather in East Sussex is generally less favorable. December is a winter month. In Brighton & Hove you can expect cold maximum average daytime temperatures around 10°C (50°F) and nighttime temperatures around 6°C (43°F).

Find more detailed climate information for East Sussex in December here.