North Dakota has an average annual temperature of
43.7°F
(across all 4 cities) with approximately
532 mm of annual precipitation
and average humidity of 71%.
The warmest city is Bismarck
with average July highs of 98.1°F,
while Grand Forks
is the coldest with average January lows of -28.7°F.
This page covers 45 years of NASA POWER climate data (1981–2025)
including temperature, rainfall, humidity, wind speed, and solar radiation.
Jul is typically the warmest month across North Dakota with average highs around
96.3°F, while
Jan is the coldest with average lows near
-23.4°F.
Jun is the wettest month with approximately
93 mm of rainfall on average.
Month
Max Temp
Min Temp
Avg Temp
Rain (mm)
Humidity
Wind (m/s)
Solar (kWh/m²)
Jan
38.1°F
-23.4°F
7.3°F
16
90%
3.7
1.70
Feb
45.3°F
-18.4°F
13.5°F
14
84%
3.8
2.80
Mar
63.1°F
-1.8°F
30.7°F
25
72%
4.1
3.90
Apr
77.5°F
17.6°F
47.7°F
42
63%
3.9
4.90
May
85.6°F
29.1°F
57.4°F
74
61%
3.6
5.80
Jun
91.2°F
43.3°F
67.3°F
93
63%
3.2
6.30
Jul
96.3°F
50.2°F
73.2°F
74
60%
2.8
6.40
Aug
95.7°F
47.7°F
71.6°F
62
60%
2.9
5.40
Sep
90.1°F
34.3°F
62.2°F
51
62%
3.3
4.00
Oct
77°F
20.7°F
48.9°F
47
69%
3.6
2.60
Nov
56.8°F
4.3°F
30.6°F
21
78%
3.6
1.60
Dec
39.9°F
-14.3°F
12.9°F
19
86%
3.6
1.20
📈 North Dakota Yearly Climate Trends
🌡️ Annual Temperature Trend
State-wide avg annual high & low · Last 10 years
📈 North Dakota Long-Term Climate Trends (1981–2025)
This chart shows how North Dakota's average temperatures have shifted across 45 years.
Use the range buttons to focus on recent decades or view the full historical record.
Data is averaged across all 4 cities in the state.
🌧️ Annual Precipitation Trend
State-wide avg annual precipitation · Last 10 years · mm/year
🔗 Explore Cities in North Dakota
Browse detailed weather history, monthly averages, and 45-year climate trends for every city in North Dakota.
Fargo is the wettest city in North Dakota with approximately 590 mm of annual precipitation on average. View Fargo weather history →
What is the warmest month in North Dakota?▼
Jul is the warmest month across North Dakota, with state-wide average highs of 96.3°F and average lows of 50.2°F.
How many cities in North Dakota have weather data?▼
TownPillar has historical weather data for 4 cities in North Dakota, covering 45 years of NASA POWER climate records from 1981 to 2025.
Which month has the most sunshine in North Dakota?▼
Jul is the sunniest month across North Dakota with an average solar radiation of 6.40 kWh/m²/day state-wide. This solar radiation data from NASA POWER is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability.
Where does this climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation at 0.5° × 0.625° spatial resolution.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources). Data covers 45 years (1981–2025) across 4 cities in North Dakota at monthly temporal resolution.