Mandan weather in October

In October, Mandan sees average daytime highs of 55°F and overnight lows near 35°F, with 1.8 in of precipitation across 6.4 wet days and about 10.6 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 62°F in the first days to 48°F by the end. The sky is clear or mostly clear about 36% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 48 min by month's end. Set against the rest of the year, October is Mandan's 5th-clearest and 2nd-windiest month. For the whole year in context, see Mandan's year-round climate.

Daytime high
55°
6th warmest
Overnight low
35°
7th coldest
Precipitation
1.8 in
6.4 wet days
Daylight
10 h 36 min
7:10 AM – 5:47 PM
Cloud cover
55%
5th clearest
Wind
10 mph
2nd windiest
Solar energy
2.83 kWh/m²
Travel score
4.0
out of 10

Mandan is city in North Dakota, United States.

Density
737/km²
people per km²
Founded
1881

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 62°F in the first days to 48°F by the end.

A typical October day in Mandan reaches about 55°F in the afternoon and slips back to 35°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 39°F and 71°F. Set against its neighbours, October runs about 15°F cooler than September and about 17°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16341
26341
36240
46240
56139
66039
76038
85938
95938
105837
115837
125736
135736
145636
155635
165535
175535
185434
195434
205333
215333
225232
235232
245131
255031
265031
274930
284829
294829
304729
314728

How October really feels in Mandan

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 25 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
25
wind chill below the day's low

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

Mandan weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan22° / 0.64.54.98.80.0
Feb26° / 0.74.74.7100.0
Mar38° / 20°1.15.34.111.60.3
Apr53° / 32°1.97.7313.33.1
May65° / 44°2.910.30.414.85.8
Jun75° / 54°3.811.5015.66.6
Jul81° / 59°3.010015.36.7
Aug81° / 57°2.37.50147.2
Sep71° / 47°1.86.4012.47.3
Oct55° / 35°1.86.41.710.64.0
Nov38° / 21°0.84.23.59.20.2
Dec26° / 10°0.74.14.78.40.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45545
55545
65446
75446
85347
95347
105248
115149
125149
135149
145149
155248
165248
175248
185149
195050
205050
215050
224951
234852
244852
254852
264852
274852
284753
294753
304654
314654

Chance of precipitation in October

Any precipitationSnow

Mandan gets around 1.8 in of rain and snow over 6.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 21% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1202
2202
3202
4203
5203
6203
7203
8204
9204
10204
11204
12194
13194
14195
15195
16195
17195
18195
19196
20196
21206
22207
23207
24207
25218
26218
27209
28209
29209
302010
311910

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October 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 (%)Comfortable (%)
1982
2991
3991
4991
5991
6991
7991
8991
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 10 mph in October.

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

051015151015202531
Wind speed (mph)Feels
110light 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 October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 6:48 AM to 7:32 AM, and sunset from 6:17 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:486:17
211.46:506:15
311.46:516:13
411.36:536:11
511.26:546:09
611.26:556:07
711.16:576:05
811.16:586:03
911.07:006:01
1011.07:015:59
1110.97:025:57
1210.97:045:55
1310.87:055:53
1410.77:075:51
1510.77:085:49
1610.67:105:47
1710.67:115:46
1810.57:135:44
1910.57:145:42
2010.47:165:40
2110.47:175:39
2210.37:185:37
2310.37:205:35
2410.27:215:33
2510.17:235:32
2610.17:245:30
2710.07:265:29
2810.07:275:27
299.97:295:25
309.97:305:24
319.87:325:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.83 kWh/m².

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 6.72 kWh/m² in July across the year — October's 2.83 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.7Moderate
202.7Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in October

Hazard calendar for Mandan

In seasonPeak

In October, Mandan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Mandan's rainy season runs April–October, when most of the year's rain falls.

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

Is October a good time to visit Mandan?

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

4.0
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Mandan for sightseeing.

What to pack for Mandan in October

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

In October, Mandan sees daytime highs around 55°F and nights near 35°F. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Mandan in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mandan peaks around June 22 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 22UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mandan?

Mandan sits at 46.8°N, 100.9°W, 1,647 ft above sea level, in United States. The nearest listed city is Bismarck, 5.0 mi away.

Topography around Mandan

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

Within 2 miles, the terrain around Mandan has only modest variations in elevation — a maximum elevation change of 341 ft around an average of 1,709 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 499 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 899 ft.

The land around Mandan is covered by grassland (44%) and artificial surfaces (26%) within 2 miles, grassland (63%) and cropland (21%) within 10 miles, and grassland (63%) and cropland (33%) within 50 miles.

2 miles
341 ft
10 miles
499 ft
50 miles
899 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Bismarck 5.0 mi · Dickinson 90 mi · Minot 99 mi · Jamestown 103 mi · Aberdeen 149 mi · Williston 157 mi · West Fargo 188 mi · Fargo 194 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 Mandan (46.8267°, -100.8896°, elevation 1,647 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).