Lake Charles, Louisiana Weather History

Louisiana, United States  •  45 yrs data 📍 30.2027°N, 93.2077°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Aug
Avg 83.4°F
Min 72.9°F
Max 93.8°F
Coldest Month
❄️
Jan
Avg 49.8°F
Min 29.5°F
Max 70.1°F
Wettest Month
🌧️
Jun
170 mm
Driest Month
🏜️
Mar
99 mm
Most Humid
💧
Feb
85%
Least Humid
🌬️
Aug
76%
Highest Ever
🌡️
105.4°F
Aug 2023
Lowest Ever
🧊
16.5°F
Dec 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 Lake Charles Across Seasons

❄️ Winter in Lake Charles

January is Lake Charles's coldest month, with average lows reaching 29.5°F.
🌡️ December to February (avg)  ·  31.5°F72°F

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

☀️ Summer in Lake Charles

Summer temperatures in Lake Charles peak in August, climbing to 93.7°F.
🌡️ June to August (avg)  ·  72.5°F92.7°F

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

🌧️ Rainy Season in Lake Charles

Lake Charles sees its highest rainfall in June, receiving approximately 170 mm of precipitation.
🌧️ June to August (avg)  ·  up to 170 mm

☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ Lake Charles Monthly Temperature Guide

Aug is the hottest month in Lake Charles, with average highs reaching 93.8°F, while Jan is the coldest with lows dropping to 29.5°F.

Temperatures rise steadily from spring, peak in Aug, 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 Lake Charles

Lake Charles receives its highest rainfall in Jun, while humidity peaks during winter months.
🌧️ Wettest: Jun — 170 mm ☀️ Driest: Mar — 99 mm

💧 Humidity peaks at 85% in Feb · annual avg 80%

🌍 Climate Summary

Avg Annual Temp:66.7°F
Avg Annual Rainfall:1584 mm
Avg Humidity:80%
Data Period:1981 – 2025

Lake Charles Climate Overview

Lake Charles has a warm subtropical climate with warm summers and cold winters.

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

Humidity remains high throughout the year, especially during winter months, creating cold and damp conditions.

📈 Yearly Trends

The warmest year in Lake Charles's recorded history was 2023 (avg: 70.5°F), while the coldest year was 1989 (avg: 63.9°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Lake Charles's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 105.4°F in Aug 2023, while the lowest dropped to 16.5°F in Dec 1989.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Lake Charles shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
📋 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

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

🏙️ Other Cities in Louisiana

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❓ Frequently Asked Questions

What is the hottest month in Lake Charles?
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Lake Charles, Louisiana, with average high temperatures around 93.8°F.
What is the coldest month in Lake Charles?
Jan is the coldest month in Lake Charles, with average low temperatures around 29.5°F.
What is the rainiest month in Lake Charles?
Jun receives the most rainfall with approximately 170 mm, while Mar is the driest with 99 mm.
What was the highest temperature ever recorded in Lake Charles?
The highest recorded temperature was 105.4°F in Aug 2023. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Lake Charles?
The lowest recorded temperature was 16.5°F in Dec 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 Lake Charles get?
Lake Charles receives the most sunlight in Jun with an average solar radiation of 6.11 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Louisiana.
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