Grand Forks Climate by Month
Grand Forks, North Dakota, United States
Warm summers and bitterly cold winters, with rain spread through the year.
The climate in Grand Forks is one of warm summers and bitterly cold winters, with rain spread through the year. July is the warmest month, with highs around 82°F (28°C); January is the coolest at 16°F (-9°C), and nights dip to -1°F (-18°C). It gets 21 in (535 mm) of rain a year, spread across the months.
- Warmest month
- 82°F(28°C)
- Average high, July
- Coldest nights
- -1°F(-18°C)
- Average low, January
- Rain per year
- 21 in(535 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: July
Best and worst months in Grand Forks
Best for weatherJune and September are the best time for weather in Grand Forks: highs near 74°F (24°C) and about 3.0 in (75 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 16°F (-9°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Grand Forks weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 16°F(-9°C) | -1°F(-18°C) | 0.6 in(16 mm) | 93% | 1.2 |
| FebFebruary | 21°F(-6°C) | 2°F(-17°C) | 0.6 in(14 mm) | 78% | 2.1 |
| MarMarch | 35°F(2°C) | 17°F(-8°C) | 0.9 in(22 mm) | 84% | 3.5 |
| AprApril | 52°F(11°C) | 31°F(-1°C) | 1.2 in(31 mm) | 68% | 4.7 |
| MayMay | 67°F(20°C) | 43°F(6°C) | 2.4 in(62 mm) | 61% | 5.2 |
| JunJuneBest | 78°F(26°C) | 55°F(13°C) | 3.8 in(96 mm) | 68% | 5.5 |
| JulJuly | 82°F(28°C) | 59°F(15°C) | 3.3 in(83 mm) | 71% | 6.0 |
| AugAugust | 81°F(27°C) | 56°F(13°C) | 3.0 in(76 mm) | 71% | 5.2 |
| SepSeptemberBest | 71°F(22°C) | 47°F(9°C) | 2.1 in(54 mm) | 70% | 3.8 |
| OctOctober | 55°F(13°C) | 34°F(1°C) | 1.7 in(44 mm) | 70% | 2.2 |
| NovNovember | 37°F(3°C) | 21°F(-6°C) | 0.8 in(20 mm) | 75% | 1.3 |
| DecDecember | 22°F(-5°C) | 6°F(-14°C) | 0.7 in(17 mm) | 100% | 0.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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