West Sussex Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in West Sussex, the United Kingdom in July.

Thinking about venturing to West Sussex, the United Kingdom this July and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in West Sussex in July

West Sussex, the United Kingdom is a region in the United Kingdom. July in West Sussex generally has temperatures that range from pleasant to warm, with moderate precipitation. During July, summer is in full swing.

Temperatures

The average highest temperatures fluctuate between pleasant in Selsey at 20°C (68°F) to warm in Horley at 23°C (73°F). Nighttime temperatures generally drop to 13°C (55°F) in Horley and 15°C (59°F) in Selsey.

To explore the conditions in West Sussex, the United Kingdom in more detail, check the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Worthing with an average of 55 mm (2.2 in) to moderate rainfall in Horley with 64 mm (2.5 in).

Explore West Sussex by month

Pick a month to see the average temperature, rainfall and sunshine in West Sussex — and find the best time to visit. (based on Chichester)

Best Places to Visit in West Sussex in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across West Sussex.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in West Sussex

What is the weather like in July for some of the most popular destinations in West Sussex, the United Kingdom?

Temperature range in West Sussex (July)

Precipitation variation in West Sussex (July)

Chichester

In July Chichester generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
18°C (64°F)
21°C (70°F)
21°C (70°F)
Min temperature
12°C (54°F)
15°C (59°F)
15°C (59°F)
Monthly rainfall
60 mm (2.4 in)
58 mm (2.3 in)
70 mm (2.8 in)
Monthly rainy days
11 days
9 days
11 days
Weather conditions

Crawley

In July Crawley generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
20°C (68°F)
22°C (72°F)
22°C (72°F)
Min temperature
11°C (52°F)
14°C (57°F)
14°C (57°F)
Monthly rainfall
64 mm (2.5 in)
62 mm (2.4 in)
72 mm (2.8 in)
Monthly rainy days
12 days
11 days
12 days
Weather conditions

Worthing

In July Worthing generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
18°C (64°F)
20°C (68°F)
20°C (68°F)
Min temperature
13°C (55°F)
15°C (59°F)
15°C (59°F)
Monthly rainfall
55 mm (2.2 in)
55 mm (2.2 in)
68 mm (2.7 in)
Monthly rainy days
11 days
10 days
12 days
Weather conditions

Horley

In July Horley generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
20°C (68°F)
23°C (73°F)
22°C (72°F)
Min temperature
11°C (52°F)
13°C (55°F)
13°C (55°F)
Monthly rainfall
65 mm (2.6 in)
64 mm (2.5 in)
73 mm (2.9 in)
Monthly rainy days
12 days
11 days
12 days
Weather conditions

Bognor Regis

In July Bognor Regis generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
18°C (64°F)
20°C (68°F)
20°C (68°F)
Min temperature
13°C (55°F)
15°C (59°F)
15°C (59°F)
Monthly rainfall
59 mm (2.3 in)
57 mm (2.2 in)
70 mm (2.8 in)
Monthly rainy days
11 days
9 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in West Sussex, in the United Kingdom.

In our records: the United Kingdom July extremes

Notable July records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United Kingdom reached 39°C (102°F) in Nottingham on July 19, 2022.

Popular cities in July

Day & night temperatures, rainfall and average weather in West Sussex in July.

City Weather Day temp Night temp Rainfall
Chichester 21°C (70°F) 15°C (59°F) 58 mm (2.3 in)
Crawley 22°C (72°F) 14°C (57°F) 62 mm (2.4 in)
Worthing 20°C (68°F) 15°C (59°F) 55 mm (2.2 in)
Horley 23°C (73°F) 13°C (55°F) 64 mm (2.5 in)
Bognor Regis 20°C (68°F) 15°C (59°F) 57 mm (2.2 in)
Littlehampton 20°C (68°F) 15°C (59°F) 55 mm (2.2 in)

West Sussex weather in July: frequently asked questions

What is the weather like in West Sussex, the United Kingdom in July?

In July, West Sussex, the United Kingdom generally has perfect weather conditions. Chichester sees daytime temperatures near 21°C (70°F), with nights cooling to roughly 15°C (59°F).

What is the average temperature in West Sussex, the United Kingdom in July?

In Chichester, the average daytime high in July is 21°C (70°F), while nighttime temperatures drop to around 15°C (59°F).

Does West Sussex, the United Kingdom get a lot of rain in July?

Rain is generally moderate to light in West Sussex, the United Kingdom during July, with Chichester averaging close to 58 mm (2.3 in).

Is July a Good Time to Visit West Sussex, the United Kingdom?

We consider July to be one of the best times to travel to West Sussex, the United Kingdom. Typically, the climate in Chichester is perfect.

Generally speaking, July and August provide perfect weather in Chichester. On the other hand, the weather in January, February, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in West Sussex.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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