Williston weather by month

Check out Williston weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Williston (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
19°F maximum daytime temperature in January in Williston19
27°F maximum daytime temperature in February in Williston27
39°F maximum daytime temperature in March in Williston39
55°F maximum daytime temperature in April in Williston55
68°F maximum daytime temperature in May in Williston68
79°F maximum daytime temperature in June in Williston79
84°F maximum daytime temperature in July in Williston84
82°F maximum daytime temperature in August in Williston82
70°F maximum daytime temperature in September in Williston70
59°F maximum daytime temperature in October in Williston59
37°F maximum daytime temperature in November in Williston37
23°F maximum daytime temperature in December in Williston23
Min temperature (night-time)
-2°F minimum night-time temperature in January in Williston-2
5°F minimum night-time temperature in February in Williston5
18°F minimum night-time temperature in March in Williston18
30°F minimum night-time temperature in April in Williston30
43°F minimum night-time temperature in May in Williston43
52°F minimum night-time temperature in June in Williston52
55°F minimum night-time temperature in July in Williston55
54°F minimum night-time temperature in August in Williston54
43°F minimum night-time temperature in September in Williston43
32°F minimum night-time temperature in October in Williston32
16°F minimum night-time temperature in November in Williston16
3°F minimum night-time temperature in December in Williston3
Heat & Humidity
No heat & humidity in January in Williston0
No heat & humidity in February in Williston0
No heat & humidity in March in Williston0
No heat & humidity in April in Williston0
No heat & humidity in May in Williston0
No heat & humidity in June in Williston0
Moderate heat & humidity in July in WillistonM
Moderate heat & humidity in August in WillistonM
No heat & humidity in September in Williston0
No heat & humidity in October in Williston0
No heat & humidity in November in Williston0
No heat & humidity in December in Williston0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Williston

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Williston9
10 hours of daylight per day in February in Williston10
12 hours of daylight per day in March in Williston12
14 hours of daylight per day in April in Williston14
15 hours of daylight per day in May in Williston15
16 hours of daylight per day in June in Williston16
16 hours of daylight per day in July in Williston16
14 hours of daylight per day in August in Williston14
13 hours of daylight per day in September in Williston13
11 hours of daylight per day in October in Williston11
9 hours of daylight per day in November in Williston9
8 hours of daylight per day in December in Williston8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Williston1
UV (maximum) index 1 (Low) in February in Williston1
UV (maximum) index 3 (Moderate) in March in Williston3
UV (maximum) index 5 (Moderate) in April in Williston5
UV (maximum) index 6 (High) in May in Williston6
UV (maximum) index 7 (High) in June in Williston7
UV (maximum) index 8 (Very High) in July in Williston8
UV (maximum) index 7 (High) in August in Williston7
UV (maximum) index 5 (Moderate) in September in Williston5
UV (maximum) index 3 (Moderate) in October in Williston3
UV (maximum) index 1 (Low) in November in Williston1
UV (maximum) index 1 (Low) in December in Williston1

Rainfall in Williston

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
8 days with some rainfall in January in Williston8
6 days with some rainfall in February in Williston6
8 days with some rainfall in March in Williston8
8 days with some rainfall in April in Williston8
10 days with some rainfall in May in Williston10
10 days with some rainfall in June in Williston10
9 days with some rainfall in July in Williston9
7 days with some rainfall in August in Williston7
7 days with some rainfall in September in Williston7
5 days with some rainfall in October in Williston5
6 days with some rainfall in November in Williston6
8 days with some rainfall in December in Williston8
Average monthly rainfall (inches)
0.5 inches monthly rainfall in January in Williston0.5
0.4 inches monthly rainfall in February in Williston0.4
0.6 inches monthly rainfall in March in Williston0.6
1.3 inches monthly rainfall in April in Williston1.3
1.9 inches monthly rainfall in May in Williston1.9
2.8 inches monthly rainfall in June in Williston2.8
2.0 inches monthly rainfall in July in Williston2.0
1.5 inches monthly rainfall in August in Williston1.5
1.4 inches monthly rainfall in September in Williston1.4
0.8 inches monthly rainfall in October in Williston0.8
0.5 inches monthly rainfall in November in Williston0.5
0.5 inches monthly rainfall in December in Williston0.5

More about Williston

Williston by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for North Dakota (Williston) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Williston?

Williston has a cold semi arid climate with warm summers.

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare Williston with the USA

Below the Williston chart shows average maximum daytime temperature for Williston, North Dakota, USA and the USA (Washington).

Maximum daytime temperature (°F)

Williston, North Dakota, USA
USA (Washington)
41
45
39
55
55
66
68
75
79
84
84
88
82
86
70
79
59
68
37
57
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
19
27
23

Metric (°C)  |  Imperial (°F)

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