Fort Wayne, Indiana Weather History

Indiana, United States  •  45 yrs data 📍 41.0785°N, 85.1438°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Aug
Avg 70.7°F
Min 50.7°F
Max 90.8°F
Coldest Month
❄️
Jan
Avg 24°F
Min -3.3°F
Max 51.3°F
Wettest Month
🌧️
May
106 mm
Driest Month
🏜️
Feb
50 mm
Most Humid
💧
Jan
87%
Least Humid
🌬️
Sep
71%
Highest Ever
🌡️
104.5°F
Jul 2012
Lowest Ever
🧊
-33.2°F
Jan 1984
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 Fort Wayne Across Seasons

❄️ Winter in Fort Wayne

January is Fort Wayne's coldest month, with average lows reaching -3.3°F.
🌡️ December to February (avg)  ·  1.8°F54.7°F

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

☀️ Summer in Fort Wayne

Summer temperatures in Fort Wayne peak in August, climbing to 90.9°F.
🌡️ June to August (avg)  ·  49.5°F89.8°F

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

🌧️ Rainy Season in Fort Wayne

Fort Wayne sees its highest rainfall in May, receiving approximately 106 mm of precipitation.
🌧️ May to July (avg)  ·  up to 106 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

🌡️ Fort Wayne Monthly Temperature Guide

Aug is the hottest month in Fort Wayne, with average highs reaching 90.8°F, while Jan is the coldest with lows dropping to -3.3°F.

Temperatures rise steadily from spring, peak in Aug, 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 Fort Wayne

Fort Wayne receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest: May — 106 mm ☀️ Driest: Feb — 50 mm

💧 Humidity peaks at 87% in Jan · annual avg 78%

🌍 Climate Summary

Avg Annual Temp:50.5°F
Avg Annual Rainfall:947 mm
Avg Humidity:78%
Data Period:1981 – 2025

Fort Wayne Climate Overview

Fort Wayne has a temperate climate with warm summers and freezing winters.

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

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

📈 Yearly Trends

The warmest year in Fort Wayne's recorded history was 2012 (avg: 55.6°F), while the coldest year was 2014 (avg: 46.9°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Fort Wayne's temperatures shows a slight warming trend over the past decade. The highest recorded temperature reached 104.5°F in Jul 2012, while the lowest dropped to -33.2°F in Jan 1984.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Fort Wayne 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 Indiana

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❓ Frequently Asked Questions

What is the hottest month in Fort Wayne?
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Fort Wayne, Indiana, with average high temperatures around 90.8°F.
What is the coldest month in Fort Wayne?
Jan is the coldest month in Fort Wayne, with average low temperatures around -3.3°F.
What is the rainiest month in Fort Wayne?
May receives the most rainfall with approximately 106 mm, while Feb is the driest with 50 mm.
What was the highest temperature ever recorded in Fort Wayne?
The highest recorded temperature was 104.5°F in Jul 2012. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Fort Wayne?
The lowest recorded temperature was -33.2°F in Jan 1984.
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 Fort Wayne get?
Fort Wayne 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 Indiana.
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