WEATHERblaze

Colorado Historical Weather Data & Climate

Historical Climate Data for 20 Cities
•
1981–2025
•
United States
⛅

Quick Climate Facts

(1981 – 2025)
Hottest City
🔥
Pueblo
Jul High 91.0°F
Coldest City
❄️
Colorado Springs
Jan Low 15.8°F
Wettest City
🌧
Westminster
468 mm/yr
Driest City
🏜️
Pueblo
382 mm/yr
Hottest Month
🌡
July
Avg 73.4°F
High 87.6°F
Coldest Month
🧊
January
Avg 30.9°F
Low 20.7°F
Cities With Data
🏙️
20
cities in Colorado
Data Coverage
📅
45 yrs
1981 – 2025

Colorado Climate Overview

Colorado has a temperate climate with warm summers and cold winters.

Colorado has an average annual temperature of 50.2°F across all 20 cities, with approximately 455 mm of annual precipitation and average humidity of 50%. Temperatures peak in July and drop to their lowest in January, while rainfall is highest during spring and early summer months.

The warmest city is Pueblo with average July highs of 91.0°F, while Colorado Springs is the coldest with average January lows of 15.8°F. Humidity remains relatively low throughout the year, especially during winter months, creating cold and dry conditions. These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🏙️ Cities in Colorado — Weather History

📊 Colorado Monthly Climate Data

Monthly Climate Data
Month🌤️Avg HighAvg TempAvg LowRecord HighRecord LowHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January❄️41.2°F30.9°F20.7°F71.2°F-16.6°F57%192.92.60
February🌤️44.1°F32.7°F21.6°F76.5°F-26.9°F56%212.93.60
March🌤️52.2°F39.4°F26.6°F82.2°F-4.9°F53%392.84.70
April🌤️59.9°F46.0°F32.4°F90.0°F6.1°F50%502.85.70
May🌤️69.8°F55.8°F41.5°F100.4°F14.2°F49%642.56.40
June☀️82.4°F67.3°F52.3°F105.6°F30.4°F43%462.47.10
July😎87.6°F73.4°F59.2°F104.9°F38.5°F43%562.26.70
August☀️84.9°F71.4°F57.9°F102.9°F37.0°F46%512.16.00
September☀️77.7°F63.5°F49.1°F99.1°F15.3°F44%352.25.20
October🌤️64.4°F50.7°F36.9°F90.9°F2.1°F48%302.33.90
November🌤️51.1°F39.4°F27.5°F80.4°F-4.9°F53%242.42.80
December❄️41.4°F31.3°F21.2°F73.8°F-13.4°F57%212.62.30

Showing average climate conditions across 45 years (1981–2025) · averaged across all 20 cities in Colorado

🌦 Weather in Colorado Across Seasons

❄️ Winter in Colorado

January is Colorado's coldest month, with average lows reaching 20.7°F.
🌡️December to February (avg) · 21.2°F – 42.3°F

🧥 Expect frosty nights and below-freezing temperatures during this Cold Winter period.

☀️ Summer in Colorado

Summer temperatures in Colorado peak in July, climbing to 87.6°F.
🌡️June to August (avg) · 56.5°F – 84.9°F

🌤️ Early mornings and evenings are most comfortable during this Hot Summer season.

🌧️ Rainiest Period in Colorado

Colorado sees its highest rainfall in May, receiving approximately 64 mm of precipitation.
🌧️May to August (avg) ·  up to 64 mm

☔ Rainfall is spread across the year with no sharply defined wet season.

📈 Colorado Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 20 cities · 1981–2025 · °F

🌡️ Colorado Monthly Temperature Guide

July is the hottest month in Colorado, with average highs reaching 87.6°F, while January is the coldest with lows dropping to 20.7°F.

Temperatures rise steadily from spring, peak in July, and gradually decline through autumn into winter.

These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🌧️ Rainfall Distribution

Region-wide monthly rainfall · 1981–2025 · mm/month

🌧 Rainfall & Humidity in Colorado

Colorado receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest: May — 64 mm☀️ Driest: January — 19 mm

💧 Humidity peaks at 57% in December · annual avg 50%

💨 Humidity & Wind Speed

Monthly averages · 1981–2025

🌍 Climate Summary

Avg Temp: 50.2°FAvg Rainfall: 455 mmAvg Humidity: 50%Period: 1981–2025

Across 45 years, Colorado's temperature shows a slight warming trend over the past decade. 2012 was the warmest year overall and 1983 the coolest.

📅 Colorado Yearly Climate Trends

The warmest year on record was 2012 (avg: 53.1°F), while the coldest year was 1983 (avg: 47.5°F).

📊 Key Climate Trends

  • 🌡️ Colorado's temperature shows a slight warming trend over the past decade
  • 📈 Minimum temperatures show a slight warming trend in recent years
  • 🌧️ Rainfall varies year-to-year without a clear long-term trend

🌡️ Annual Temperature Trend

View Range:

Averaged across all 20 cities in Colorado · Last 30 years · °F

Colorado's temperature shows a slight warming trend over the past decade. The region-wide average sits at 50.2°F with annual rainfall averaging 455 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 20 cities in Colorado · Last 30 years · mm/year

Annual rainfall in Colorado shows noticeable variation. Rainfall varies year-to-year without a clear long-term trend.
📅 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

ℹ️ Values are averages across all 20 cities in Colorado for each year.

YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfall (mm)Avg HumidityAvg Wind
2025 🔥
66.4°F52.9°F39.2°F102.7°F-9.6°F42447%2.5 m/s
2024
66.2°F52.9°F39.6°F102.7°F-11.4°F40547%2.4 m/s
2023
63.0°F50.4°F37.8°F103.1°F-3.6°F53351%2.4 m/s
2022
63.9°F50.7°F37.4°F103.3°F-9.2°F39746%2.6 m/s
2021
64.8°F51.6°F38.3°F102.7°F-10.7°F43348%2.5 m/s
2020
64.8°F51.4°F37.9°F100.0°F-3.8°F32445%2.5 m/s
2019
62.4°F49.3°F36.3°F103.8°F-1.1°F46851%2.4 m/s
2018
64.2°F51.1°F37.9°F104.7°F-1.3°F35648%2.5 m/s
2017
64.8°F51.6°F38.3°F100.0°F-11.0°F45750%2.5 m/s
2016
64.4°F51.4°F38.3°F100.8°F-11.0°F38949%2.5 m/s

Showing 1 to 10 of 45 years

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❓ Frequently Asked Questions

What is the hottest city in Colorado?▼
Pueblo is the hottest city in Colorado with an average July high of 91.0°F based on 45 years of data. View Pueblo weather history →
What is the coldest city in Colorado?▼
Colorado Springs is the coldest city with average January lows of 15.8°F. View Colorado Springs weather history →
Which city in Colorado gets the most rain?▼
Westminster is the wettest city in Colorado with approximately 468 mm of annual precipitation on average.
What is the warmest month in Colorado?▼
July is the warmest month in Colorado, with region-wide average highs of 87.6°F and average lows of 59.2°F.
What is the coldest month in Colorado?▼
January is the coldest month in Colorado with average lows of 20.7°F and average highs of 41.2°F.
What is the rainiest month in Colorado?▼
May is the rainiest month in Colorado with approximately 64 mm on average, while January is the driest with 19 mm.
How many cities in Colorado have weather data?▼
WeatherBlaze has historical weather data for 20 cities in Colorado, covering 45 years of climate records from 1981 to 2025.
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.

📡 Data Source

All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.

Parameters included:
  • Temperature (Min, Max)
  • Precipitation
  • Relative Humidity
  • Wind Speed
  • Solar Radiation
Data specifications:
  • Resolution: Monthly
  • Spatial: 0.5° × 0.625°
  • Source: MERRA-2
  • Coverage: 1981–2025
  • Cities: 20 in Colorado