Annual mean 17°C · wettest around January · prevailing wind W
Warmest
30.3 °C
Coldest
8.8 °C
Wettest
46%
Windiest
3.8 m/s
Prevailing
W
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 Jacksonville over the whole year is 17°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 3°C. Jacksonville has no sharply defined rainy season: the chance of rain on a given day runs from 30% in October, the driest month, to 43% in January, the wettest. Winds in Jacksonville are highest in March, averaging 2.4 m/s (9 km/h), and lightest in August, at 1.3 m/s (5 km/h). The prevailing wind is from the W. The clearest skies in Jacksonville come in October, when the sky is typically 27% 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
9°C
3°C
6°C
43%
39%
2.2 m/s
13
0
39
February
13°C
6°C
10°C
39%
43%
2.3 m/s
31
1
58
March
17°C
8°C
14°C
42%
34%
2.4 m/s
49
4
68
April
21°C
11°C
19°C
40%
27%
2.2 m/s
66
20
61
May
25°C
17°C
25°C
41%
31%
1.8 m/s
55
54
28
June
29°C
20°C
31°C
40%
29%
1.5 m/s
21
63
4
July
30°C
22°C
33°C
39%
28%
1.4 m/s
5
43
0
August
30°C
21°C
33°C
37%
30%
1.3 m/s
8
49
1
September
28°C
18°C
29°C
37%
28%
1.5 m/s
31
57
12
October
23°C
13°C
22°C
30%
27%
1.6 m/s
65
33
48
November
16°C
7°C
14°C
36%
30%
1.7 m/s
44
6
69
December
12°C
5°C
9°C
41%
43%
2.0 m/s
21
0
53
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 9°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 3°C to 22°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around January 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 11°CLow 5°CRain 41%
Winter in Jacksonville has typical daily highs of about 11°C and lows of about 5°C, with a 41% chance of rain on a given day.
Jacksonville weather in springMarch to May
High 21°CLow 12°CRain 41%
Spring in Jacksonville has typical daily highs of about 21°C and lows of about 12°C, with a 41% chance of rain on a given day.
Jacksonville weather in summerJune to August
High 30°CLow 21°CRain 39%
Summer in Jacksonville has typical daily highs of about 30°C and lows of about 21°C, with a 39% chance of rain on a given day.
Jacksonville weather in autumnSeptember to November
High 22°CLow 12°CRain 35%
Autumn in Jacksonville has typical daily highs of about 22°C and lows of about 12°C, with a 35% 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 30% in October, the driest month, to 43% in January, the wettest.
What time of year is Jacksonville windiest?
Winds in Jacksonville are highest in March, averaging 2.4 m/s (9 km/h), and lightest in August, at 1.3 m/s (5 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 17°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 3°C.