Arvada, Colorado Weather History

Colorado, United States  •  45 yrs data 📍 39.8305°N, 105.1249°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 75.4°F
Min 52.1°F
Max 98.6°F
Coldest Month
❄️
Jan
Avg 31.7°F
Min 5.1°F
Max 58.4°F
Wettest Month
🌧️
May
68 mm
Driest Month
🏜️
Jan
21 mm
Most Humid
💧
Dec
57%
Least Humid
🌬️
Jul
42%
Highest Ever
🌡️
103.8°F
Jun 2012
Lowest Ever
🧊
-16.3°F
Feb 1989
Monthly Climate Data
Month 🌤️ High Low Avg Humid % Rain (mm) Wind (m/s) Solar (kWh/m²)

Showing average climate conditions across 45 years (1981–2025)

🌍 Weather in Arvada Across Seasons

❄️ Winter in Arvada

January is Arvada's coldest month, with average lows reaching 5°F.
🌡️ December to February (avg)  ·  5.5°F59.7°F

🧥 Pack heavy layers and prepare for snow — this is a Severe Winter destination.

☀️ Summer in Arvada

Summer temperatures in Arvada peak in July, climbing to 98.6°F.
🌡️ June to August (avg)  ·  48.2°F96.6°F

🌤️ Limit midday outdoor exposure and stay hydrated — this is an intense Hot Summer.

🌧️ Rainiest Period in Arvada

Arvada sees its highest rainfall in May, receiving approximately 68 mm of precipitation.
🌧️ April to July (avg)  ·  up to 68 mm

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

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ Arvada Monthly Temperature Guide

Jul is the hottest month in Arvada, with average highs reaching 98.6°F, while Jan is the coldest with lows dropping to 5.1°F.

Temperatures rise steadily from spring, peak in Jul, and gradually decline through fall into winter.

These seasonal patterns make summer ideal for outdoor activities, while winters bring freezing conditions and heavy snowfall.

🌧️ Rainfall Distribution

Monthly rainfall · 1981–2025 seasonal trends · mm/month

💨 Humidity & Wind Speed

Monthly averages · 1981–2025

💧 Rainfall & Humidity in Arvada

Arvada receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest: May — 68 mm ☀️ Driest: Jan — 21 mm

💧 Humidity peaks at 57% in Dec · annual avg 49%

🌍 Climate Summary

Avg Annual Temp:51.8°F
Avg Annual Rainfall:468 mm
Avg Humidity:49%
Data Period:1981 – 2025

Arvada Climate Overview

Arvada has a temperate climate with warm summers and freezing winters.

Temperatures peak in Jul and drop to their lowest in Jan, while rainfall is highest during spring and early summer months.

Humidity remains relatively low throughout the year, especially during winter months, creating cold and dry conditions.

📈 Yearly Trends

The warmest year in Arvada's recorded history was 2012 (avg: 55.9°F), while the coldest year was 1993 (avg: 48°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

Average annual high/low · Last 10 years · °F

Arvada's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 103.8°F in Jun 2012, while the lowest dropped to -16.3°F in Feb 1989.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

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

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

Year Min Temp Avg Temp Max Temp Rainfall (mm) Avg Humidity Avg Wind

🏙️ Other Cities in Colorado

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❓ Frequently Asked Questions

What is the hottest month in Arvada?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Arvada, Colorado, with average high temperatures around 98.6°F.
What is the coldest month in Arvada?
Jan is the coldest month in Arvada, with average low temperatures around 5.1°F.
What is the rainiest month in Arvada?
May receives the most rainfall with approximately 68 mm, while Jan is the driest with 21 mm.
What was the highest temperature ever recorded in Arvada?
The highest recorded temperature was 103.8°F in Jun 2012. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Arvada?
The lowest recorded temperature was -16.3°F in Feb 1989.
How many years of data does this page cover?
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Arvada get?
Arvada receives the most sunlight in Jun with an average solar radiation of 6.94 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Colorado.
Where does this weather data come from?
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for 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
  • Years: 45