West Monroe, Louisiana Weather History

Louisiana, United States  •  45 yrs data 📍 32.4856°N, 92.1992°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 85.4°F
Min 66.7°F
Max 104°F
Coldest Month
❄️
Jan
Avg 45.9°F
Min 20.4°F
Max 71.3°F
Wettest Month
🌧️
Dec
140 mm
Driest Month
🏜️
Sep
85 mm
Most Humid
💧
Jan
84%
Least Humid
🌬️
Aug
68%
Highest Ever
🌡️
111.5°F
Aug 2000
Lowest Ever
🧊
2.8°F
Feb 2021
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 West Monroe Across Seasons

❄️ Winter in West Monroe

January is West Monroe's coldest month, with average lows reaching 20.5°F.
🌡️ December to February (avg)  ·  21.9°F73.8°F

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

☀️ Summer in West Monroe

Summer temperatures in West Monroe peak in July, climbing to 104°F.
🌡️ June to August (avg)  ·  64°F102.6°F

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

🌧️ Rainy Season in West Monroe

West Monroe sees its highest rainfall in December, receiving approximately 140 mm of precipitation.
🌧️ December to April (avg)  ·  up to 140 mm

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

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ West Monroe Monthly Temperature Guide

Jul is the hottest month in West Monroe, with average highs reaching 104°F, while Jan is the coldest with lows dropping to 20.4°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 West Monroe

West Monroe receives its highest rainfall in Dec, while humidity peaks during winter months.
🌧️ Wettest: Dec — 140 mm ☀️ Driest: Sep — 85 mm

💧 Humidity peaks at 84% in Jan · annual avg 77%

🌍 Climate Summary

Avg Annual Temp:64.8°F
Avg Annual Rainfall:1443 mm
Avg Humidity:77%
Data Period:1981 – 2025

West Monroe Climate Overview

West Monroe 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 winter months.

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

📈 Yearly Trends

The warmest year in West Monroe's recorded history was 2023 (avg: 68°F), while the coldest year was 1989 (avg: 61.7°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

West Monroe's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 111.5°F in Aug 2000, while the lowest dropped to 2.8°F in Feb 2021.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in West Monroe 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

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❓ Frequently Asked Questions

What is the hottest month in West Monroe?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in West Monroe, Louisiana, with average high temperatures around 104°F.
What is the coldest month in West Monroe?
Jan is the coldest month in West Monroe, with average low temperatures around 20.4°F.
What is the rainiest month in West Monroe?
Dec receives the most rainfall with approximately 140 mm, while Sep is the driest with 85 mm.
What was the highest temperature ever recorded in West Monroe?
The highest recorded temperature was 111.5°F in Aug 2000. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in West Monroe?
The lowest recorded temperature was 2.8°F in Feb 2021.
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 West Monroe get?
West Monroe receives the most sunlight in Jun with an average solar radiation of 6.33 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