La Crosse, Wisconsin Weather History

Wisconsin, United States  •  45 yrs data 📍 43.8296°N, 91.1967°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 71.2°F
Min 51.7°F
Max 90.7°F
Coldest Month
❄️
Jan
Avg 9.1°F
Min -20°F
Max 38.1°F
Wettest Month
🌧️
Jun
126 mm
Driest Month
🏜️
Jan
27 mm
Most Humid
💧
Jan
91%
Least Humid
🌬️
Aug
73%
Highest Ever
🌡️
105.7°F
Aug 2023
Lowest Ever
🧊
-46.3°F
Feb 1996
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 La Crosse Across Seasons

❄️ Winter in La Crosse

January is La Crosse's coldest month, with average lows reaching -20°F.
🌡️ December to February (avg)  ·  -15°F42.4°F

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

☀️ Summer in La Crosse

Summer temperatures in La Crosse peak in July, climbing to 90.7°F.
🌡️ June to August (avg)  ·  48.4°F89.4°F

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

🌧️ Rainy Season in La Crosse

La Crosse sees its highest rainfall in June, receiving approximately 126 mm of precipitation.
🌧️ June to August (avg)  ·  up to 126 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

🌡️ La Crosse Monthly Temperature Guide

Jul is the hottest month in La Crosse, with average highs reaching 90.7°F, while Jan is the coldest with lows dropping to -20°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 La Crosse

La Crosse receives its highest rainfall in Jun, while humidity peaks during winter months.
🌧️ Wettest: Jun — 126 mm ☀️ Driest: Jan — 27 mm

💧 Humidity peaks at 91% in Jan · annual avg 79%

🌍 Climate Summary

Avg Annual Temp:44.4°F
Avg Annual Rainfall:912 mm
Avg Humidity:79%
Data Period:1981 – 2025

La Crosse Climate Overview

La Crosse 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 summer months.

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

📈 Yearly Trends

The warmest year in La Crosse's recorded history was 2012 (avg: 50.4°F), while the coldest year was 2014 (avg: 39.9°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

La Crosse's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 105.7°F in Aug 2023, while the lowest dropped to -46.3°F in Feb 1996.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in La Crosse 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 La Crosse?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in La Crosse, Wisconsin, with average high temperatures around 90.7°F.
What is the coldest month in La Crosse?
Jan is the coldest month in La Crosse, with average low temperatures around -20°F.
What is the rainiest month in La Crosse?
Jun receives the most rainfall with approximately 126 mm, while Jan is the driest with 27 mm.
What was the highest temperature ever recorded in La Crosse?
The highest recorded temperature was 105.7°F in Aug 2023. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in La Crosse?
The lowest recorded temperature was -46.3°F in Feb 1996.
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 La Crosse get?
La Crosse receives the most sunlight in Jul 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 Wisconsin.
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