Dacula, Georgia Weather History

Georgia, United States  •  45 yrs data 📍 33.9764°N, 83.8825°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 81.1°F
Min 63°F
Max 99.1°F
Coldest Month
❄️
Jan
Avg 41.6°F
Min 17°F
Max 66.2°F
Wettest Month
🌧️
Feb
120 mm
Driest Month
🏜️
Oct
88 mm
Most Humid
💧
Jan
82%
Least Humid
🌬️
Jul
71%
Highest Ever
🌡️
110°F
Jun 2012
Lowest Ever
🧊
-2.9°F
Jan 1985
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 Dacula Across Seasons

❄️ Winter in Dacula

January is Dacula's coldest month, with average lows reaching 16.9°F.
🌡️ December to February (avg)  ·  19.6°F68.2°F

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

☀️ Summer in Dacula

Summer temperatures in Dacula peak in July, climbing to 99.1°F.
🌡️ June to August (avg)  ·  60.3°F97.7°F

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

🌧️ Rainy Season in Dacula

Dacula sees its highest rainfall in February, receiving approximately 120 mm of precipitation.
🌧️ January to July (avg)  ·  up to 120 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

🌡️ Dacula Monthly Temperature Guide

Jul is the hottest month in Dacula, with average highs reaching 99.1°F, while Jan is the coldest with lows dropping to 17°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 Dacula

Dacula receives its highest rainfall in Feb, while humidity peaks during winter months.
🌧️ Wettest: Feb — 120 mm ☀️ Driest: Oct — 88 mm

💧 Humidity peaks at 82% in Jan · annual avg 76%

🌍 Climate Summary

Avg Annual Temp:60.6°F
Avg Annual Rainfall:1287 mm
Avg Humidity:76%
Data Period:1981 – 2025

Dacula Climate Overview

Dacula has a warm temperate 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 Dacula's recorded history was 2016 (avg: 64°F), while the coldest year was 1989 (avg: 57.9°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Dacula's temperatures shows a slight warming trend over the past decade. The highest recorded temperature reached 110°F in Jun 2012, while the lowest dropped to -2.9°F in Jan 1985.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Dacula 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 Dacula?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Dacula, Georgia, with average high temperatures around 99.1°F.
What is the coldest month in Dacula?
Jan is the coldest month in Dacula, with average low temperatures around 17°F.
What is the rainiest month in Dacula?
Feb receives the most rainfall with approximately 120 mm, while Oct is the driest with 88 mm.
What was the highest temperature ever recorded in Dacula?
The highest recorded temperature was 110°F in Jun 2012. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Dacula?
The lowest recorded temperature was -2.9°F in Jan 1985.
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 Dacula get?
Dacula receives the most sunlight in Jun with an average solar radiation of 6.16 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Georgia.
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