Colorado has an average annual temperature of
50.7°F
(across all 20 cities) with approximately
448 mm of annual precipitation
and average humidity of 50%.
The warmest city is Pueblo
with average July highs of 100.8°F,
while Colorado Springs
is the coldest with average January lows of 0.9°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 Colorado with average highs around
97.2°F, while
Jan is the coldest with average lows near
4.3°F.
May is the wettest month with approximately
65 mm of rainfall on average.
Month
Max Temp
Min Temp
Avg Temp
Rain (mm)
Humidity
Wind (m/s)
Solar (kWh/m²)
Jan
57°F
4.3°F
30.7°F
19
57%
2.9
2.60
Feb
60.4°F
5.4°F
32.9°F
22
56%
2.9
3.60
Mar
69.4°F
13.5°F
41.5°F
37
53%
2.8
4.70
Apr
77.4°F
19°F
48.2°F
51
50%
2.8
5.70
May
85.3°F
28.2°F
56.8°F
65
49%
2.5
6.40
Jun
94.6°F
40.6°F
67.6°F
45
43%
2.4
7.10
Jul
97.2°F
51.3°F
74.3°F
56
43%
2.2
6.70
Aug
94.1°F
49.6°F
72°F
50
46%
2.1
6.00
Sep
90°F
35.1°F
62.6°F
36
44%
2.2
5.20
Oct
79.9°F
21.6°F
50.7°F
31
48%
2.3
3.90
Nov
68.7°F
13.1°F
40.8°F
24
53%
2.4
2.80
Dec
57.4°F
5°F
31.1°F
22
57%
2.6
2.30
📈 Colorado Yearly Climate Trends
🌡️ Annual Temperature Trend
State-wide avg annual high & low · Last 10 years
📈 Colorado Long-Term Climate Trends (1981–2025)
This chart shows how Colorado'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 20 cities in the state.
🌧️ Annual Precipitation Trend
State-wide avg annual precipitation · Last 10 years · mm/year
🔗 Explore Cities in Colorado
Browse detailed weather history, monthly averages, and 45-year climate trends for every city in Colorado.
Westminster is the wettest city in Colorado with approximately 461 mm of annual precipitation on average. View Westminster weather history →
What is the warmest month in Colorado?▼
Jul is the warmest month across Colorado, with state-wide average highs of 97.2°F and average lows of 51.3°F.
How many cities in Colorado have weather data?▼
TownPillar has historical weather data for 20 cities in Colorado, covering 45 years of NASA POWER climate records from 1981 to 2025.
Which month has the most sunshine in Colorado?▼
Jun is the sunniest month across Colorado with an average solar radiation of 7.10 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 20 cities in Colorado at monthly temporal resolution.