Annual mean 4°C · wettest around September · prevailing wind SW
Warmest
26.0 °C
Coldest
-6.2 °C
Wettest
17%
Windiest
4.2 m/s
Prevailing
SW
3.3 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 Jackson over the whole year is 4°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -12°C. Jackson has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 14% in September, the wettest. Winds in Jackson are highest in February, averaging 3.3 m/s (12 km/h), and lightest in January, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Jackson come in July, when the sky is typically 14% covered; February is the cloudiest month, at 62%.
Month by month Jackson 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
-6°C
-12°C
-10°C
10%
59%
2.4 m/s
0
0
0
February
-4°C
-10°C
-9°C
12%
62%
3.3 m/s
0
0
0
March
1°C
-7°C
-4°C
12%
53%
3.0 m/s
0
0
3
April
6°C
-2°C
1°C
13%
49%
3.2 m/s
1
0
21
May
13°C
3°C
8°C
14%
45%
2.9 m/s
19
0
57
June
20°C
8°C
15°C
13%
27%
2.8 m/s
57
3
76
July
25°C
10°C
21°C
8%
14%
2.6 m/s
86
24
62
August
23°C
8°C
20°C
11%
17%
2.4 m/s
81
17
69
September
18°C
4°C
14°C
14%
25%
2.4 m/s
51
3
75
October
10°C
-1°C
5°C
14%
38%
2.7 m/s
8
0
41
November
2°C
-6°C
-3°C
12%
47%
2.5 m/s
0
0
8
December
-4°C
-10°C
-8°C
11%
58%
2.7 m/s
0
0
0
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 Jackson weather by season
Year round, Jackson has days of about -6°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -12°C to 10°C through the year, and the average temperature over the year is 4°C around the clock. Rain is most likely around September 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.
Jackson weather in winterDecember to February
High -4°CLow -10°CRain 11%
Winter in Jackson has typical daily highs of about -4°C and lows of about -10°C, with a 11% chance of rain on a given day.
Jackson weather in springMarch to May
High 7°CLow -2°CRain 13%
Spring in Jackson has typical daily highs of about 7°C and lows of about -2°C, with a 13% chance of rain on a given day.
Jackson weather in summerJune to August
High 23°CLow 9°CRain 11%
Summer in Jackson has typical daily highs of about 23°C and lows of about 9°C, with a 11% chance of rain on a given day.
Jackson weather in autumnSeptember to November
High 10°CLow -1°CRain 13%
Autumn in Jackson has typical daily highs of about 10°C and lows of about -1°C, with a 13% chance of rain on a given day.
When is the rainy season in Jackson?
Jackson has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 14% in September, the wettest.
What time of year is Jackson windiest?
Winds in Jackson are highest in February, averaging 3.3 m/s (12 km/h), and lightest in January, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Jackson year round?
The average temperature in Jackson over the whole year is 4°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -12°C.