The temperatures in Horsham in August are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Horsham 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 Horsham in August 2025.
If you’re planning to visit Horsham in the near future, we highly recommend that you review the 14 day weather forecast for Horsham before you arrive.
Temperatures
14° / 6°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
18
mm
Sun Hours
1.5
Hrs
