Annual mean 16°C · wettest around January · prevailing wind SW
Warmest
30.9 °C
Coldest
9.1 °C
Wettest
66%
Windiest
3.9 m/s
Prevailing
SW
3.0 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 Simpsonville over the whole year is 16°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 3°C. Simpsonville has no sharply defined rainy season: the chance of rain on a given day runs from 63% in July, the driest month, to 65% in January, the wettest. Winds in Simpsonville are highest in February, averaging 2.5 m/s (9 km/h), and lightest in August, at 1.6 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Simpsonville come in July, when the sky is typically 28% covered; February is the cloudiest month, at 40%.
Month by month Simpsonville 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
9°C
3°C
5°C
65%
34%
2.3 m/s
8
0
38
February
13°C
6°C
10°C
65%
40%
2.5 m/s
25
0
57
March
16°C
8°C
13°C
64%
34%
2.5 m/s
41
2
69
April
21°C
11°C
18°C
63%
29%
2.5 m/s
65
14
65
May
24°C
17°C
24°C
64%
36%
2.2 m/s
64
44
36
June
29°C
21°C
30°C
64%
32%
1.9 m/s
30
66
8
July
31°C
23°C
33°C
63%
28%
1.8 m/s
6
52
1
August
29°C
21°C
31°C
64%
37%
1.6 m/s
15
55
4
September
27°C
18°C
28°C
64%
33%
1.8 m/s
41
57
18
October
22°C
12°C
21°C
63%
29%
1.8 m/s
70
25
56
November
16°C
7°C
13°C
64%
32%
1.9 m/s
38
3
70
December
11°C
4°C
8°C
65%
39%
2.1 m/s
14
0
52
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 Simpsonville weather by season
Year round, Simpsonville has days of about 9°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 3°C to 23°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around January and least likely around July. 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.
Simpsonville weather in winterDecember to February
High 11°CLow 4°CRain 65%
Winter in Simpsonville has typical daily highs of about 11°C and lows of about 4°C, with a 65% chance of rain on a given day.
Simpsonville weather in springMarch to May
High 20°CLow 12°CRain 64%
Spring in Simpsonville has typical daily highs of about 20°C and lows of about 12°C, with a 64% chance of rain on a given day.
Simpsonville weather in summerJune to August
High 29°CLow 22°CRain 63%
Summer in Simpsonville has typical daily highs of about 29°C and lows of about 22°C, with a 63% chance of rain on a given day.
Simpsonville weather in autumnSeptember to November
High 22°CLow 12°CRain 63%
Autumn in Simpsonville has typical daily highs of about 22°C and lows of about 12°C, with a 63% chance of rain on a given day.
When is the rainy season in Simpsonville?
Simpsonville has no sharply defined rainy season: the chance of rain on a given day runs from 63% in July, the driest month, to 65% in January, the wettest.
What time of year is Simpsonville windiest?
Winds in Simpsonville are highest in February, averaging 2.5 m/s (9 km/h), and lightest in August, at 1.6 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Simpsonville year round?
The average temperature in Simpsonville over the whole year is 16°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 3°C.