Horsham in May
So, what's Horsham actually like in May? In a word: mild. It's autumn, and the days are averaging 17.6 degrees.
Daytime highs average 17.6 degrees, dropping to 6.8 degrees overnight. That's a 11-degree swing between day and night. Manageable with a decent layer, and you'll warm up by midday.
May is 3.7 degrees cooler than Horsham's yearly average.
You're looking at 20mm of rain across 2 days in a typical May. That's barely a sprinkle.
Solar exposure averages 10.4 MJ/m2 per day in May, with UV levels in the moderate range. Sunscreen is still wise, especially if you burn easily.
The Comfort Score is 5.5/10 for May. It's fine, but not the highlight of the calendar.
For your suitcase: a decent jumper or fleece.
Scroll down for the detailed climate data, or explore what nearby cities are like in May.
May at a Glance
Temperature Range
Daily temperature range in May. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Layered clothing for mild to cool conditions
- Extra layers for chilly nights
Coming From Overseas?
How May in Horsham stacks up against major cities around the world.
About 0 degrees cooler and considerably drier.
About 5 degrees cooler and considerably drier.
About 6 degrees cooler and considerably drier.
How May Compares
Horsham's monthly climate at a glance. May 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 |