Apache Junction, Arizona Weather History

Arizona, United States  •  45 yrs data 📍 33.3869°N, 111.5357°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 88.2°F
Min 68°F
Max 108.3°F
Coldest Month
❄️
Jan
Avg 49.5°F
Min 25.6°F
Max 73.3°F
Wettest Month
🌧️
Aug
55 mm
Driest Month
🏜️
Jun
5 mm
Most Humid
💧
Jan
51%
Least Humid
🌬️
Jun
20%
Highest Ever
🌡️
116.9°F
Jul 1995
Lowest Ever
🧊
8.4°F
Dec 1990
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 Apache Junction Across Seasons

❄️ Winter in Apache Junction

January is Apache Junction's coldest month, with average lows reaching 25.5°F.
🌡️ December to February (avg)  ·  26.2°F74.8°F

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

☀️ Summer in Apache Junction

Summer temperatures in Apache Junction peak in July, climbing to 108.3°F.
🌡️ June to August (avg)  ·  64.6°F107.1°F

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

🌧️ Rainiest Period in Apache Junction

Apache Junction sees its highest rainfall in August, receiving approximately 55 mm of precipitation.
🌧️ July to January (avg)  ·  up to 55 mm

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

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ Apache Junction Monthly Temperature Guide

Jul is the hottest month in Apache Junction, with average highs reaching 108.3°F, while Jan is the coldest with lows dropping to 25.6°F.

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

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

🌧️ Rainfall Distribution

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

💨 Humidity & Wind Speed

Monthly averages · 1981–2025

💧 Rainfall & Humidity in Apache Junction

Apache Junction receives its highest rainfall in Aug, while humidity peaks during winter months.
🌧️ Wettest: Aug — 55 mm ☀️ Driest: Jun — 5 mm

💧 Humidity peaks at 51% in Jan · annual avg 40%

🌍 Climate Summary

Avg Annual Temp:67.5°F
Avg Annual Rainfall:383 mm
Avg Humidity:40%
Data Period:1981 – 2025

Apache Junction Climate Overview

Apache Junction has a warm subtropical climate with warm summers and cold winters.

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

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

📈 Yearly Trends

The warmest year in Apache Junction's recorded history was 2025 (avg: 71.2°F), while the coldest year was 1991 (avg: 64.2°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Apache Junction's temperatures shows a slight warming trend over the past decade. The highest recorded temperature reached 116.9°F in Jul 1995, while the lowest dropped to 8.4°F in Dec 1990.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Apache Junction 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

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❓ Frequently Asked Questions

What is the hottest month in Apache Junction?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Apache Junction, Arizona, with average high temperatures around 108.3°F.
What is the coldest month in Apache Junction?
Jan is the coldest month in Apache Junction, with average low temperatures around 25.6°F.
What is the rainiest month in Apache Junction?
Aug receives the most rainfall with approximately 55 mm, while Jun is the driest with 5 mm.
What was the highest temperature ever recorded in Apache Junction?
The highest recorded temperature was 116.9°F in Jul 1995. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Apache Junction?
The lowest recorded temperature was 8.4°F in Dec 1990.
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 Apache Junction get?
Apache Junction receives the most sunlight in Jun with an average solar radiation of 8.28 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Arizona.
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