Annual mean 18°C · wettest around September · prevailing wind W
Warmest
30.3 °C
Coldest
10.4 °C
Wettest
31%
Windiest
5.1 m/s
Prevailing
W
4.2 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 Jacksonville over the whole year is 18°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C. Jacksonville has no sharply defined rainy season: the chance of rain on a given day runs from 24% in October, the driest month, to 32% in September, the wettest. Winds in Jacksonville are highest in March, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Jacksonville come in April, when the sky is typically 32% covered; February is the cloudiest month, at 43%.
Month by month Jacksonville 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
11°C
5°C
7°C
30%
37%
3.1 m/s
16
1
45
February
14°C
7°C
10°C
28%
43%
3.4 m/s
32
2
57
March
17°C
9°C
13°C
28%
39%
3.7 m/s
43
4
65
April
21°C
13°C
19°C
28%
32%
3.7 m/s
67
19
61
May
25°C
18°C
24°C
30%
40%
3.4 m/s
60
46
34
June
29°C
22°C
30°C
30%
36%
3.1 m/s
27
62
7
July
30°C
24°C
33°C
31%
33%
3.0 m/s
7
44
1
August
29°C
23°C
32°C
31%
38%
2.7 m/s
12
49
2
September
27°C
21°C
29°C
32%
39%
3.0 m/s
36
58
14
October
23°C
15°C
22°C
24%
35%
2.7 m/s
68
34
50
November
17°C
10°C
15°C
25%
35%
2.9 m/s
46
8
67
December
13°C
7°C
10°C
30%
37%
2.9 m/s
27
1
57
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 Jacksonville weather by season
Year round, Jacksonville has days of about 11°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 5°C to 24°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around September and least likely around October. 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.
Jacksonville weather in winterDecember to February
High 13°CLow 6°CRain 29%
Winter in Jacksonville has typical daily highs of about 13°C and lows of about 6°C, with a 29% chance of rain on a given day.
Jacksonville weather in springMarch to May
High 21°CLow 13°CRain 29%
Spring in Jacksonville has typical daily highs of about 21°C and lows of about 13°C, with a 29% chance of rain on a given day.
Jacksonville weather in summerJune to August
High 29°CLow 23°CRain 31%
Summer in Jacksonville has typical daily highs of about 29°C and lows of about 23°C, with a 31% chance of rain on a given day.
Jacksonville weather in autumnSeptember to November
High 23°CLow 15°CRain 27%
Autumn in Jacksonville has typical daily highs of about 23°C and lows of about 15°C, with a 27% chance of rain on a given day.
When is the rainy season in Jacksonville?
Jacksonville has no sharply defined rainy season: the chance of rain on a given day runs from 24% in October, the driest month, to 32% in September, the wettest.
What time of year is Jacksonville windiest?
Winds in Jacksonville are highest in March, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the W.
What is the average temperature in Jacksonville year round?
The average temperature in Jacksonville over the whole year is 18°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C.