Annual mean 14°C · wettest around April · prevailing wind SW
Warmest
29.8 °C
Coldest
0.6 °C
Wettest
33%
Windiest
5.4 m/s
Prevailing
SW
4.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Jefferson City over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -2°C. Jefferson City has no sharply defined rainy season: the chance of rain on a given day runs from 27% in September, the driest month, to 34% in April, the wettest. Winds in Jefferson City are highest in March, averaging 4.1 m/s (15 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Jefferson City come in June, when the sky is typically 22% covered; January is the cloudiest month, at 46%.
Month by month Jefferson City 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
2°C
-2°C
-4°C
28%
46%
3.5 m/s
1
0
11
February
6°C
-1°C
0°C
28%
38%
3.6 m/s
6
0
27
March
12°C
5°C
7°C
33%
41%
4.1 m/s
16
1
47
April
17°C
9°C
13°C
34%
36%
3.9 m/s
40
4
63
May
22°C
15°C
21°C
32%
36%
3.1 m/s
63
30
53
June
28°C
20°C
29°C
31%
22%
2.7 m/s
38
63
14
July
29°C
22°C
31°C
31%
24%
2.3 m/s
20
57
5
August
28°C
20°C
30°C
30%
26%
2.2 m/s
34
60
10
September
26°C
17°C
26°C
27%
22%
2.2 m/s
55
56
29
October
19°C
10°C
16°C
31%
32%
2.9 m/s
51
15
62
November
12°C
4°C
7°C
28%
31%
3.1 m/s
18
1
50
December
6°C
1°C
1°C
28%
38%
3.4 m/s
4
0
24
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 Jefferson City weather by season
Year round, Jefferson City has days of about 2°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -2°C to 22°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around April and least likely around September. 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.
Jefferson City weather in winterDecember to February
High 5°CLow -1°CRain 28%
Winter in Jefferson City has typical daily highs of about 5°C and lows of about -1°C, with a 28% chance of rain on a given day.
Jefferson City weather in springMarch to May
High 17°CLow 10°CRain 33%
Spring in Jefferson City has typical daily highs of about 17°C and lows of about 10°C, with a 33% chance of rain on a given day.
Jefferson City weather in summerJune to August
High 29°CLow 21°CRain 31%
Summer in Jefferson City has typical daily highs of about 29°C and lows of about 21°C, with a 31% chance of rain on a given day.
Jefferson City weather in autumnSeptember to November
High 19°CLow 10°CRain 29%
Autumn in Jefferson City has typical daily highs of about 19°C and lows of about 10°C, with a 29% chance of rain on a given day.
When is the rainy season in Jefferson City?
Jefferson City has no sharply defined rainy season: the chance of rain on a given day runs from 27% in September, the driest month, to 34% in April, the wettest.
What time of year is Jefferson City windiest?
Winds in Jefferson City are highest in March, averaging 4.1 m/s (15 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Jefferson City year round?
The average temperature in Jefferson City over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -2°C.