Mandan, North Dakota Climate
United States
Pop. 21,382 Elev. 505 m / 1,657 ft
TZ: America/North_Dakota/New_Salem (UTC-5) ·
Mandan has harsh winters with February lows averaging 0°F (-18°C), and mild summers with July highs of 84°F (29°C). Humidity pushes the summer feels-like temperature to 89°F (32°C), while wind chill can drive winter lows to -9°F (-23°C). Rain falls on about 27 days per year (22.3 in / 566 mm total), with snow on 4 days and 33 in (834 mm) of annual accumulation. The city averages 128 sunny days per year. Nearby lake water reaches 76°F (24°C) in summer.
| Temperature | 84°F (29°C) high | 0°F (-18°C) low |
| Feels like | 89°F (31°C) high | -9°F (-23°C) low |
| Rain | 27 days | 22.3 in (566 mm) /yr |
| Snow | 4 days | 32.8 in (834 mm) /yr |
| Sky | 128 sunny | 19 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Aug, Sep
Sky & Air by Month
Cloud cover (%)
60
Jan 53
Feb 65
Mar 55
Apr 47
May 56
Jun 46
Jul 40
Aug 42
Sep 43
Oct 58
Nov 72
Dec Humidity (%)
65
Jan 67
Feb 62
Mar 56
Apr 55
May 63
Jun 65
Jul 69
Aug 68
Sep 69
Oct 72
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 8 mi Bismarck Municipal Airport (BIS)
Ski resort 16 mi Huff Hills Ski Resort
National park 152 mi Lake Metigoshe State Park
Mountain peak
(4,928 ft) 213 mi Deadman Mountain
Hospital 1 mi Vibra Hospital Of Central Dakotas
Hiking trail 8 mi Harmon Lake Recreational Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 25°F -4°C | 7°F -14°C | 0.0 in 1 mm | 3.3 in84 mm | 6 |
| February | 19°F -7°C | 0°F -18°C | 0.1 in 3 mm | 5.6 in142 mm | 12 |
| March | 48°F 9°C | 26°F -3°C | 0.2 in 4 mm | 1.3 in32 mm | 4 |
| April | 58°F 15°C | 33°F 1°C | 1.7 in 43 mm | 6.6 in168 mm | 9 |
| May | 70°F 21°C | 46°F 8°C | 5.3 in 135 mm | 0.2 in5 mm | 15 |
| June | 78°F 25°C | 55°F 13°C | 1.9 in 48 mm | — | 8 |
| July | 84°F 29°C | 61°F 16°C | 4.7 in 119 mm | — | 12 |
| August | 81°F 27°C | 59°F 15°C | 1.7 in 44 mm | — | 18 |
| September | 77°F 25°C | 53°F 11°C | 2.2 in 56 mm | — | 16 |
| October | 61°F 16°C | 41°F 5°C | 3.8 in 96 mm | — | 16 |
| November | 44°F 7°C | 27°F -3°C | 0.4 in 9 mm | 8.7 in221 mm | 7 |
| December | 31°F -1°C | 9°F -13°C | 0.3 in 9 mm | 7.1 in180 mm | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 6 | 0 |
| February | 12 | 0 |
| March | 4 | 0 |
| April | 9 | 0 |
| May | 15 | 3 |
| June | 8 | 3 |
| July | 12 | 5 |
| August | 18 | 2 |
| September | 16 | 3 |
| October | 16 | 3 |
| November | 7 | 0 |
| December | 5 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 32°F 0°C |
| April | 36°F 2°C |
| May | 48°F 9°C |
| June | 65°F 18°C |
| July | 76°F 24°C |
| August | 75°F 24°C |
| September | 67°F 20°C |
| October | 56°F 13°C |
| November | 44°F 7°C |
| December | 34°F 1°C |