Annual mean 6°C · wettest around February · prevailing wind W
Warmest
27.4 °C
Coldest
-10.1 °C
Wettest
34%
Windiest
6.8 m/s
Prevailing
W
5.6 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 Williston over the whole year is 6°C. July is the hottest month, with highs of about 27°C; February is the coldest, with lows of about -13°C. Williston has no sharply defined rainy season: the chance of rain on a given day runs from 16% in November, the driest month, to 30% in February, the wettest. Winds in Williston are highest in April, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.8 m/s (14 km/h). The prevailing wind is from the W. The clearest skies in Williston come in July, when the sky is typically 19% covered; January is the cloudiest month, at 46%.
Month by month Williston 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
-8°C
-11°C
-15°C
28%
46%
4.5 m/s
0
0
0
February
-7°C
-13°C
-14°C
30%
43%
4.4 m/s
0
0
1
March
1°C
-6°C
-5°C
29%
43%
4.5 m/s
0
0
10
April
9°C
0°C
2°C
30%
39%
5.0 m/s
5
0
33
May
18°C
9°C
12°C
26%
36%
4.7 m/s
40
5
64
June
23°C
15°C
19°C
22%
28%
4.6 m/s
70
21
62
July
27°C
17°C
24°C
27%
19%
3.8 m/s
65
46
39
August
26°C
15°C
23°C
20%
21%
3.8 m/s
68
37
48
September
20°C
10°C
16°C
29%
29%
4.1 m/s
54
10
68
October
11°C
2°C
5°C
26%
37%
4.5 m/s
11
0
40
November
2°C
-4°C
-5°C
16%
43%
4.4 m/s
0
0
10
December
-6°C
-10°C
-12°C
30%
42%
4.6 m/s
0
0
1
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 Williston weather by season
Year round, Williston has days of about -8°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -13°C to 17°C through the year, and the average temperature over the year is 6°C around the clock. Rain is most likely around February and least likely around November. 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.
Williston weather in winterDecember to February
High -7°CLow -11°CRain 29%
Winter in Williston has typical daily highs of about -7°C and lows of about -11°C, with a 29% chance of rain on a given day.
Williston weather in springMarch to May
High 9°CLow 1°CRain 28%
Spring in Williston has typical daily highs of about 9°C and lows of about 1°C, with a 28% chance of rain on a given day.
Williston weather in summerJune to August
High 25°CLow 15°CRain 23%
Summer in Williston has typical daily highs of about 25°C and lows of about 15°C, with a 23% chance of rain on a given day.
Williston weather in autumnSeptember to November
High 11°CLow 2°CRain 23%
Autumn in Williston has typical daily highs of about 11°C and lows of about 2°C, with a 23% chance of rain on a given day.
When is the rainy season in Williston?
Williston has no sharply defined rainy season: the chance of rain on a given day runs from 16% in November, the driest month, to 30% in February, the wettest.
What time of year is Williston windiest?
Winds in Williston are highest in April, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.8 m/s (14 km/h). The prevailing wind is from the W.
What is the average temperature in Williston year round?
The average temperature in Williston over the whole year is 6°C. July is the hottest month, with highs of about 27°C; February is the coldest, with lows of about -13°C.