Wahpeton, North Dakota Weather
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Climate of Wahpeton: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Wahpeton, with average daytime highs around 30°C. January is the coolest, when nights typically fall to about -17°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 47°C, so the seasons feel very different from each other.
The area receives about 630 mm of rain in a typical year. Most of it falls from June, and June is the wettest month at roughly 107 mm. The driest stretch is January to February and November, with under 20 mm a month.
For outdoor plans and travel, May and July to September usually offer the most comfortable weather in Wahpeton, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -7° | -17° | 14 mm | 88% |
| Feb | -4° | -15° | 17 mm | 84% |
| Mar | 5° | -7° | 29 mm | 73% |
| Apr | 14° | 0° | 52 mm | 64% |
| May | 21° | 7° | 82 mm | 64% |
| Jun | 26° | 14° | 107 mm | 67% |
| Jul | 30° | 17° | 81 mm | 63% |
| Aug | 28° | 15° | 69 mm | 63% |
| Sep | 23° | 10° | 71 mm | 65% |
| Oct | 13° | 2° | 60 mm | 71% |
| Nov | 4° | -5° | 18 mm | 77% |
| Dec | -4° | -12° | 25 mm | 86% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Wahpeton. Values describe typical conditions, not a forecast.
About Wahpeton weather
Wahpeton sits within North Dakota's continental climate, among the most extreme in the contiguous US, about 69 km south of Fargo. Conditions turn hot with warm summers (June–August). By December, expect very cold winters (December–February) with sub-zero lows common. This page shows live, auto-refreshing weather for Wahpeton: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Wahpeton is about 69 km south of Fargo, in North Dakota.
Wahpeton sees very cold winters (December–February) with sub-zero lows common.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Wahpeton's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Wahpeton, with average daytime highs of about 30°C and nights around 17°C.
The coldest nights come in January, when the average low is about -17°C and daytime highs reach around -7°C. Frost is possible on clear, calm nights.
Wahpeton receives about 630 mm of rain in a typical year. June is the wettest month at roughly 107 mm, the only month that averages more than 100 mm.
May and July to September usually offer the most comfortable weather in Wahpeton, with mild daytime temperatures and little rain.
In November Wahpeton typically sees daytime highs near 4°C and lows near -5°C, with about 18 mm of rain over the month and average humidity around 77%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Wahpeton is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Wahpeton's day-to-day weather follows the broader pattern of North Dakota described above. See the hourly weather forecast or the air quality index for more detail.