Sussex weather in August 2025

The temperatures in Sussex in August are comfortable with low of 17°C and and high up to 28°C.

You can expect about 3 to 8 days of rain in Sussex during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Sussex in August 2025.

If you’re planning to visit Sussex in the near future, we highly recommend that you review the 14 day weather forecast for Sussex before you arrive.

Temperatures

28° / 17°

Rainy Days

Snowy Days

Dry Days

Rainfall

103

Sun Hours

8.2

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1 31° /17°	2 30° /16°
3 29° /17°	4 32° /18°	5 32° /18°	6 28° /17°	7 29° /17°	8 25° /16°	9 28° /16°
10 27° /17°	11 28° /16°	12 26° /15°	13 26° /14°	14 29° /14°	15 25° /15°	16 23° /15°
17 26° /16°	18 28° /17°	19 27° /14°	20 26° /15°	21 27° /15°	22 23° /13°	23 26° /14°
24 28° /15°	25 27° /16°	26 31° /17°	27 24° /15°	28 27° /15°	29 26° /15°	30 27° /16°
31 27° /15°

Explore the weather in Sussex in other months

Sussex annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	0° / -6°	6	15	11	113 mm	Awful	Sussex in January
February	1° / -6°	5	12	11	127 mm	Awful	Sussex in February
March	6° / -2°	8	15	8	139 mm	Awful	Sussex in March
April	13° / 4°	8	20	2	127 mm	Awful	Sussex in April
May	20° / 10°	7	24	0	102 mm	Ok	Sussex in May
June	24° / 14°	7	23	0	119 mm	Good	Sussex in June
July	28° / 18°	7	24	0	119 mm	Good	Sussex in July
August	28° / 17°	5	26	0	103 mm	Perfect	Sussex in August
September	23° / 14°	4	26	0	79 mm	Perfect	Sussex in September
October	16° / 8°	6	25	0	125 mm	Good	Sussex in October
November	10° / 3°	6	22	2	103 mm	Bad	Sussex in November
December	4° / -2°	7	16	7	141 mm	Awful	Sussex in December

Temperatures in Sussex in August

Rain in Sussex in August

Weather in Sussex in August - FAQ

What is the average temperature in Sussex in August?

The average temperature in Sussex in August is 17/28° C.

What is the chance of rain in Sussex in August?

On average, there are 5 rainy days in Sussex during August.

Weather wise, is August a good time to visit Sussex?

The weather in Sussex in August is perfect.

Can it snow in Sussex in August?

On average, there are 0 snowy days in Sussex in August.

Cities in Sussex

For a more accurate weather forecast please select a city

Andover

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More about the weather in Sussex