North Dakota Climate

Last updated: January 18, 2025

North Dakota exhibits a diverse climate characterized by the Köppen-Geiger classifications of Dfb, BSk, and Dwb, indicating a range from humid continental to semi-arid conditions. The state's temperature fluctuations are notable, with extremes reaching a chilling -41°C (-42°F) in February and soaring up to a sweltering 42°C (107°F) in June. On average, the annual temperature hovers around 5°C (42°F), reflecting a significant temperature gradient that shapes the local ecosystem and agricultural practices. This dynamic climate plays a pivotal role in defining the unique environmental conditions of North Dakota.

North Dakota temperature by month

North Dakota experiences a stark temperature range throughout the year, reflecting its continental climate. Winter months, particularly January and February, are characterized by severe cold, with minimum temperatures plunging to as low as -41°C (-42°F), while average temperatures hover around -11°C (13°F). As spring approaches, temperatures gradually rise, and March sees average highs reaching 26°C (78°F) by the month's end, marking a significant transition. Full summer enjoys warm to hot conditions, with June and July witnessing maximum temperatures soaring to 42°C (107°F), accompanied by comfortable nighttime lows. The onset of fall brings a quick cool down, with September registering averages of 15°C (60°F) before descending into the crisp temperatures of October and November, where frosty nights become common. Finally, a return to winter is signaled in December, with the cycle completing itself as temperatures drop back to freezing thresholds. Overall, North Dakota's temperature patterns depict a dramatic seasonal shift from harsh winters to hot, humid summers, interspersed with brief yet distinct transitional periods in spring and fall.

Monthly Temperatures in North Dakota, United States

The chart illustrates North Dakota's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec121028395568726859432919
Data source: North Dakota temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Medora experiences a significant temperature range throughout the year, with temperatures plunging to as low as -39°C (-37°F) in February and soaring to a blistering 40°C (104°F) during July. For more detailed information on the monthly temperature in Medora, you can explore the linked resource.

Precipitation Patterns in North Dakota

Precipitation in North Dakota displays a clear seasonal pattern, with the wettest months occurring during late spring and summer. Starting with January, precipitation levels are relatively low, averaging 14 mm (0.6 in), and gradually increasing through winter and early spring, culminating in an average of 51 mm (2.0 in) by May. The warm summer months of June, July, and August see consistently high precipitation, with June and August both matching at 73 mm (2.9 in), while July follows closely at 64 mm (2.5 in). This peak in rainfall aligns with the growing season, fueling the region's agricultural productivity.

Towards the end of summer and into fall, precipitation remains substantial, with September receiving 67 mm (2.6 in) and October at 60 mm (2.4 in). However, as winter approaches, precipitation tends to diminish, with November and December seeing 20 mm (0.8 in) and 27 mm (1.1 in) respectively. The frequency of precipitation days also varies seasonally, with the highest occurrence in the late spring and summer months, averaging around 7 to 8 days of rainfall, while winter months experience fewer days, notably January averaging just 3 precipitation days. This distribution underscores the region’s stark seasonal climate and its implications for both ecosystems and agricultural practices.

Monthly Average Precipitation in North Dakota, United States

The average monthly precipitation in North Dakota, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec151825335173647367602027
Data source: North Dakota precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Sunshine Duration in North Dakota

Sunshine duration in North Dakota exhibits a clear and discernible seasonal pattern, starting from the muted light of winter to the long, sun-drenched days of summer. In January, the state receives 145 hours of sunshine, a stark contrast to the increased brightness experienced in February, which sees a jump to 207 hours. As spring unfolds, the trend of rising sunshine continues, with March and April recording 248 hours and 264 hours respectively. This gradual accumulation of sunshine culminates in the summer months, where June and July reach their peak, boasting an impressive 366 hours and 380 hours of sunlight, making these the sunniest months of the year.

As summer wanes and fall approaches, the amount of sunshine begins to taper off, with August experiencing 332 hours, followed by a decrease to 261 hours in September. The overall decline continues into October, which records 210 hours, and November, dropping further to 179 hours. By December, sunshine duration reaches its yearly low at 171 hours. This cyclical pattern of sunshine reflects not only the changing seasons but also significantly influences the region's agriculture, recreation, and overall climate experience, providing residents and visitors alike with a vivid reminder of North Dakota's dynamic weather system.

Monthly Sunshine in North Dakota, United States

Monthly sunshine duration represents the total hours of direct sunlight North Dakota receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec145h207h248h264h317h366h380h332h261h210h179h171h
Data source: North Dakota sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

North Dakota UV Index Trends

The UV Index (UVI) in North Dakota demonstrates a clear seasonal trend, reflecting the variations in sunlight exposure and solar angle. During the winter months, particularly January, the UVI remains low at 3, fostering a sense of safety during outdoor activities. As the months progress into spring, the index starts to climb steadily, reaching 6 in March and 9 in both April and May, indicating a significant increase in UV radiation that demands attention from residents engaging in outdoor pursuits.

Summer months experience the highest UV levels, peaking at 10 in both June and July, which emphasizes the importance of sun protection during this time. As August transitions back into fall, the UVI slightly declines but remains elevated at 9. The autumn months see a gradual decrease, with October falling to 5 and November further dipping to 3. By December, the UVI is at its lowest point of 2, signaling a period of reduced solar intensity. Overall, these fluctuations in the UV Index highlight the necessity for appropriate sun safety measures, particularly in the peak summer months when sun exposure poses the greatest risk.

Monthly Maximum UV Index for North Dakota, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in North Dakota. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098532
Data source: North Dakota UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in North Dakota

In North Dakota, daylight duration exhibits a pronounced seasonal rhythm, beginning with the shorter days of winter and transitioning to the prolonged light of summer. In January, daylight lasts for about 8 hours, gradually increasing as February brings 10 hours and March extends it to 11 hours. This upward trend continues into spring, with April reaching 13 hours and May seeing a substantial increase to 15 hours. Remarkably, June, July, and August maintain this peak daylight duration of 15 hours, offering residents ample sunlight and opportunities for outdoor activities during the warmest months of the year.

As summer wanes, daylight duration begins its systematic decline, with August dropping to 14 hours and September to 12 hours. This tapering continues into fall, where October sees a reduction to 10 hours, followed by November at 9 hours. By December, daylight once again returns to 8 hours, mirroring the conditions at the start of the year. This cyclical pattern not only affects daily life in North Dakota but also influences agricultural practices and seasonal activities, highlighting the region’s dynamic response to changing light conditions throughout the year.

Average Monthly Daylight Hours in North Dakota, United States

This chart shows the total daylight hours North Dakota receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec535h616h716h819h907h952h927h848h749h647h556h509h
Data source: North Dakota daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of North Dakota's Popular Destinations

Medora, United States experiences a diverse climate with cold winters and warm summers, exhibiting stark temperature variations throughout the year. Winters are brisk, with January lows reaching -36°C (-33°F) and limited sunlight of 151 hours, while summers are warmer, hitting maximums of 40°C (104°F) in July and enjoying up to 384 hours of sunshine. Precipitation peaks in May and September at 61 mm (2.4 in), while winter months like January see relatively low rainfall of 11 mm (0.4 in). The transition months of spring and autumn bring moderate temperatures and rainfall, making them comfortable periods in Medora's climate cycle. For further details, visit the Medora climate page.

Conclusion

In conclusion, North Dakota's climate exhibits dramatic seasonal variations that significantly impact its temperature, precipitation, sunshine duration, UV Index, and daylight hours. From the harsh cold of winter to the warmth of summer, the state's weather patterns reveal a unique interplay between environmental factors that shape the local ecosystem and the lifestyle of its residents. Understanding these climatic trends is crucial for agricultural planning, outdoor recreation, and public health initiatives. By appreciating the distinct characteristics of each season, residents and visitors alike can better navigate the challenges and opportunities presented by North Dakota's diverse and captivating climate.

Discover the Climate of North Dakota's Places

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