Hesperia, California Weather History

California, United States  •  45 yrs data 📍 34.3780°N, 117.3582°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 80.1°F
Min 54.3°F
Max 105.9°F
Coldest Month
❄️
Dec
Avg 48°F
Min 25.5°F
Max 70.6°F
Wettest Month
🌧️
Feb
58 mm
Driest Month
🏜️
Jun
2 mm
Most Humid
💧
Feb
59%
Least Humid
🌬️
Aug
29%
Highest Ever
🌡️
111.9°F
Jul 2024
Lowest Ever
🧊
13.8°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 Hesperia Across Seasons

❄️ Winter in Hesperia

December is Hesperia's coldest month, with average lows reaching 25.5°F.
🌡️ December to February (avg)  ·  25.9°F70.9°F

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

☀️ Summer in Hesperia

Summer temperatures in Hesperia peak in July, climbing to 105.8°F.
🌡️ July to September (avg)  ·  52.2°F103.5°F

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

🌧️ Rainiest Period in Hesperia

Hesperia sees its highest rainfall in February, receiving approximately 58 mm of precipitation.
🌧️ December to February (avg)  ·  up to 58 mm

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

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ Hesperia Monthly Temperature Guide

Jul is the hottest month in Hesperia, with average highs reaching 105.9°F, while Dec is the coldest with lows dropping to 25.5°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 Hesperia

Hesperia receives its highest rainfall in Feb, while humidity peaks during winter months.
🌧️ Wettest: Feb — 58 mm ☀️ Driest: Jun — 2 mm

💧 Humidity peaks at 59% in Feb · annual avg 45%

🌍 Climate Summary

Avg Annual Temp:62.6°F
Avg Annual Rainfall:274 mm
Avg Humidity:45%
Data Period:1981 – 2025

Hesperia Climate Overview

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

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

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

📈 Yearly Trends

The warmest year in Hesperia's recorded history was 2025 (avg: 65.5°F), while the coldest year was 1982 (avg: 59°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Hesperia's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 111.9°F in Jul 2024, while the lowest dropped to 13.8°F in Dec 1990.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Hesperia 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 Hesperia?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Hesperia, California, with average high temperatures around 105.9°F.
What is the coldest month in Hesperia?
Dec is the coldest month in Hesperia, with average low temperatures around 25.5°F.
What is the rainiest month in Hesperia?
Feb receives the most rainfall with approximately 58 mm, while Jun is the driest with 2 mm.
What was the highest temperature ever recorded in Hesperia?
The highest recorded temperature was 111.9°F in Jul 2024. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Hesperia?
The lowest recorded temperature was 13.8°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 Hesperia get?
Hesperia receives the most sunlight in Jun with an average solar radiation of 8.11 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in California.
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