Williston weather in January

In January, Williston sees average daytime highs of 20°F and overnight lows near 4°F, with 0.6 in of precipitation across 4.2 wet days and about 8.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 19°F in the first days to 22°F by the end. The sky is clear or mostly clear about 23% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 12 min at the start of January to 9 h 06 min by month's end. Set against the rest of the year, January is Williston's 10th-clearest and 3rd-windiest month. For the whole year in context, see Williston's year-round climate.

Daytime high
20°
12th warmest
Overnight low
1st coldest
Precipitation
0.6 in
4.2 wet days
Daylight
8 h 36 min
8:47 AM – 5:21 PM
Cloud cover
66%
10th clearest
Wind
10 mph
3rd windiest
Solar energy
1.65 kWh/m²
Travel score
0.0
out of 10

Williston is city in and seat of Williams County, North Dakota, United States of America.

Density
1,377/km²
people per km²
Founded
1887

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°F in the first days to 22°F by the end.

A typical January day in Williston reaches about 20°F in the afternoon and slips back to 4°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between -1°F and 38°F. Set against its neighbours, January runs about 4°F cooler than December and about 5°F cooler than February.

-20°20°40°151015202531
Avg high (°F)Avg low (°F)
1204
2193
3193
4193
5193
6193
7192
8192
9192
10192
11192
12192
13193
14193
15203
16203
17203
18203
19204
20204
21214
22214
23214
24215
25215
26225
27225
28225
29225
30226
31226

How January really feels in Williston

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
31
31 feel bitter (≤ 14°F)

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Williston weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan20° / 0.64.24.58.60.0
Feb25° / 0.53.73.89.90.0
Mar37° / 19°0.95.3411.60.2
Apr53° / 31°1.57.12.813.43.1
May65° / 42°2.69.30.714.95.8
Jun73° / 53°3.110.7015.86.7
Jul80° / 58°2.38.2015.47.1
Aug80° / 55°1.77.7014.17.3
Sep70° / 46°1.75.8012.47.2
Oct54° / 33°1.35.91.510.63.6
Nov37° / 20°0.84.93.890.1
Dec24° / 0.64.74.98.20.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43664
53664
63664
73664
83565
93565
103565
113565
123466
133466
143466
153466
163565
173466
183466
193565
203565
213664
223664
233664
243664
253763
263763
273763
283862
293961
303961
313862

Chance of precipitation in January

Any precipitationSnow

Williston gets around 0.6 in of rain and snow over 4.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 14% and peaks near 15% on the wettest days, and about 5 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11517
21517
31517
41516
51516
61516
71516
81515
91415
101415
111415
121415
131415
141415
151415
161415
171415
181415
191415
201415
211314
221314
231314
241213
251213
261213
271212
281112
291111
301111
311111

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 10 mph in January.

Across January, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 12 min at the start of January to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:51 AM to 8:33 AM, and sunset from 5:04 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.28:515:04
28.28:515:05
38.28:515:06
48.38:515:07
58.38:515:08
68.38:515:09
78.38:515:10
88.38:515:11
98.48:505:12
108.48:505:13
118.48:505:14
128.48:495:15
138.58:495:17
148.58:485:18
158.58:485:19
168.68:475:21
178.68:465:22
188.68:465:23
198.78:455:25
208.78:445:26
218.78:435:27
228.88:435:29
238.88:425:30
248.88:415:32
258.98:405:33
268.98:395:35
279.08:385:36
289.08:375:38
299.18:365:39
309.18:355:41
319.18:335:42

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.65 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.84 kWh/m² in July across the year — January's 1.65 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.5Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.5Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.7Dim
191.7Dim
201.7Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.9Dim
261.9Dim
271.9Dim
282.0Dim
292.0Moderate
302.1Moderate
312.1Moderate
Planning a trip in January

Is January a good time to visit Williston?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Williston.

What to pack for Williston in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Williston sees daytime highs around 20°F and nights near 4°F. Pack a warm layer and a heavy coat. About 4 days see rain.

a warm layera heavy coat

UV index in Williston in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Williston peaks around June 21 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Williston in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Williston is worst in August — around 16 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (October, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1216 µg/m³Oct 226 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar12Good
Apr11Good
May11Good
Jun9Good
Jul14Moderate
Aug16Moderate
Sep10Good
Oct5Good
Nov6Good
Dec7Good
Location & terrain

Where is Williston?

Williston sits at 48.1°N, 103.6°W, 1,877 ft above sea level, in United States. The nearest listed city is Dickinson, 96 mi away.

Topography around Williston

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Williston.

Within 2 miles, the terrain around Williston has only modest variations in elevation — a maximum elevation change of 243 ft around an average of 1,867 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 650 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 912 ft.

The land around Williston is covered by grassland (42%) and artificial surfaces (28%) within 2 miles, grassland (61%) and cropland (25%) within 10 miles, and grassland (56%) and cropland (38%) within 50 miles.

2 miles
243 ft
10 miles
650 ft
50 miles
912 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Dickinson 96 mi · Minot 107 mi · Mandan 157 mi · Bismarck 162 mi · Arcola East 163 mi · Dewdney East 165 mi · Regina 165 mi · Moose Jaw 178 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Williston (48.147°, -103.618°, elevation 1,877 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).