Horsham in August
Planning a trip to Horsham in August? Here's the honest weather briefing for what winter looks like on the ground.
Daytime highs average 16.6 degrees, dropping to 7.3 degrees overnight. That's a 9-degree swing between day and night. Manageable with a decent layer, and you'll warm up by midday.
August is 4.7 degrees cooler than Horsham's yearly average.
The rain data says 51mm over 8 days. Light enough that it won't ruin your plans.
Sunshine-wise, August delivers around 11.2 MJ/m2 of daily solar radiation. UV sits in the high category. Sun protection is still a good idea, especially around midday.
The Comfort Score is 4.4/10 for August. It's fine, but not the highlight of the calendar.
Packing tip: bring layers you can peel on and off, and serious sun protection.
Check the data table below for the full picture, or compare Horsham in August with another destination.
August at a Glance
Temperature Range
Daily temperature range in August. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- A jumper or light cardigan for flexibility
- A warm jumper or fleece for cool mornings and evenings
- A light rain jacket just in case
Coming From Overseas?
How August in Horsham stacks up against major cities around the world.
About 7 degrees cooler and considerably wetter.
About 13 degrees cooler and considerably drier.
About 14 degrees cooler and considerably drier.
How August Compares
Horsham's monthly climate at a glance. August is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 27.8 | 15.0 | 83mm | 8.0 |
| Feb | 30.4 | 14.5 | 0mm | 7.0 |
| Mar | 27.8 | 13.7 | 5mm | 8.5 |
| Apr | 18.7 | 8.6 | 55mm | 6.1 |
| May | 17.6 | 6.8 | 20mm | 5.5 |
| Jun | 13.0 | 4.3 | 37mm | 1.3 |
| Jul | 12.9 | 4.7 | 35mm | 1.1 |
| Aug | 16.6 | 7.3 | 51mm | 4.4 |
| Sep | 16.7 | 7.1 | 29mm | 4.9 |
| Oct | 20.8 | 9.1 | 77mm | 8.2 |
| Nov | 25.1 | 12.3 | 55mm | 9.9 |
| Dec | 28.4 | 13.3 | 33mm | 7.8 |