Gallatin, Tennessee Weather History

Tennessee, United States  •  45 yrs data 📍 36.3987°N, 86.4559°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Aug
Avg 76.3°F
Min 57.1°F
Max 95.6°F
Coldest Month
❄️
Jan
Avg 36°F
Min 9.2°F
Max 62.8°F
Wettest Month
🌧️
May
137 mm
Driest Month
🏜️
Oct
87 mm
Most Humid
💧
Jan
85%
Least Humid
🌬️
Sep
69%
Highest Ever
🌡️
106.8°F
Jun 2012
Lowest Ever
🧊
-12.6°F
Jan 1994
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 Gallatin Across Seasons

❄️ Winter in Gallatin

January is Gallatin's coldest month, with average lows reaching 9.1°F.
🌡️ December to February (avg)  ·  12.2°F64.9°F

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

☀️ Summer in Gallatin

Summer temperatures in Gallatin peak in August, climbing to 95.7°F.
🌡️ June to August (avg)  ·  56.5°F93.4°F

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

🌧️ Rainy Season in Gallatin

Gallatin sees its highest rainfall in May, receiving approximately 137 mm of precipitation.
🌧️ December to July (avg)  ·  up to 137 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

🌡️ Gallatin Monthly Temperature Guide

Aug is the hottest month in Gallatin, with average highs reaching 95.6°F, while Jan is the coldest with lows dropping to 9.2°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 Gallatin

Gallatin receives its highest rainfall in May, while humidity peaks during winter months.
🌧️ Wettest: May — 137 mm ☀️ Driest: Oct — 87 mm

💧 Humidity peaks at 85% in Jan · annual avg 78%

🌍 Climate Summary

Avg Annual Temp:56.7°F
Avg Annual Rainfall:1336 mm
Avg Humidity:78%
Data Period:1981 – 2025

Gallatin Climate Overview

Gallatin has a warm 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 Gallatin's recorded history was 2023 (avg: 59.5°F), while the coldest year was 1992 (avg: 53.8°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Gallatin's temperatures has remained relatively stable over the past decade. The highest recorded temperature reached 106.8°F in Jun 2012, while the lowest dropped to -12.6°F in Jan 1994.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Gallatin 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 Gallatin?
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Gallatin, Tennessee, with average high temperatures around 95.6°F.
What is the coldest month in Gallatin?
Jan is the coldest month in Gallatin, with average low temperatures around 9.2°F.
What is the rainiest month in Gallatin?
May receives the most rainfall with approximately 137 mm, while Oct is the driest with 87 mm.
What was the highest temperature ever recorded in Gallatin?
The highest recorded temperature was 106.8°F in Jun 2012. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Gallatin?
The lowest recorded temperature was -12.6°F in Jan 1994.
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 Gallatin get?
Gallatin receives the most sunlight in Jun with an average solar radiation of 6.19 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Tennessee.
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