Annual mean 14°C · wettest around August · prevailing wind W
Warmest
27.4 °C
Coldest
11.1 °C
Wettest
20%
Windiest
5.8 m/s
Prevailing
W
5.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Horsham over the whole year is 14°C. January is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 6°C. Horsham has no sharply defined rainy season: the chance of rain on a given day runs from 5% in February, the driest month, to 18% in August, the wettest. Winds in Horsham are highest in January, averaging 4.7 m/s (17 km/h), and lightest in April, at 3.7 m/s (13 km/h). The prevailing wind is from the W. The clearest skies in Horsham come in February, when the sky is typically 66% covered; July is the cloudiest month, at 80%.
Month by month Horsham climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
27°C
17°C
23°C
7%
66%
4.7 m/s
63
40
45
February
25°C
15°C
21°C
5%
66%
4.6 m/s
68
32
55
March
23°C
13°C
20°C
7%
69%
4.2 m/s
69
25
62
April
19°C
10°C
15°C
9%
75%
3.7 m/s
57
5
81
May
15°C
8°C
11°C
13%
75%
3.8 m/s
22
0
79
June
12°C
6°C
8°C
15%
79%
3.7 m/s
1
0
63
July
11°C
6°C
7°C
18%
80%
4.1 m/s
1
0
57
August
13°C
6°C
8°C
18%
78%
4.0 m/s
5
0
64
September
15°C
7°C
10°C
17%
76%
4.1 m/s
19
0
72
October
18°C
9°C
14°C
15%
75%
4.2 m/s
43
3
77
November
21°C
12°C
17°C
12%
72%
4.4 m/s
57
16
67
December
24°C
14°C
20°C
8%
70%
4.7 m/s
65
24
61
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Horsham weather by season
Year round, Horsham has days of about 11°C at their warmest in July, its coolest month, and 27°C in January, its warmest; the coolest hours of the day run from 6°C to 17°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around August and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Horsham weather in winterJune to August
High 12°CLow 6°CRain 17%
Winter in Horsham has typical daily highs of about 12°C and lows of about 6°C, with a 17% chance of rain on a given day.
Horsham weather in springSeptember to November
High 18°CLow 9°CRain 14%
Spring in Horsham has typical daily highs of about 18°C and lows of about 9°C, with a 14% chance of rain on a given day.
Horsham weather in summerDecember to February
High 26°CLow 15°CRain 6%
Summer in Horsham has typical daily highs of about 26°C and lows of about 15°C, with a 6% chance of rain on a given day.
Horsham weather in autumnMarch to May
High 19°CLow 10°CRain 10%
Autumn in Horsham has typical daily highs of about 19°C and lows of about 10°C, with a 10% chance of rain on a given day.
When is the rainy season in Horsham?
Horsham has no sharply defined rainy season: the chance of rain on a given day runs from 5% in February, the driest month, to 18% in August, the wettest.
What time of year is Horsham windiest?
Winds in Horsham are highest in January, averaging 4.7 m/s (17 km/h), and lightest in April, at 3.7 m/s (13 km/h). The prevailing wind is from the W.
What is the average temperature in Horsham year round?
The average temperature in Horsham over the whole year is 14°C. January is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 6°C.