Alexandria, Virginia Weather History

Virginia, United States  •  45 yrs data 📍 38.7906°N, 77.0944°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jul
Avg 78°F
Min 60.1°F
Max 96°F
Coldest Month
❄️
Jan
Avg 34.2°F
Min 9.7°F
Max 58.7°F
Wettest Month
🌧️
Jul
110 mm
Driest Month
🏜️
Feb
73 mm
Most Humid
💧
Dec
83%
Least Humid
🌬️
Aug
68%
Highest Ever
🌡️
104.4°F
Jul 2012
Lowest Ever
🧊
-14.1°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 Alexandria Across Seasons

❄️ Winter in Alexandria

January is Alexandria's coldest month, with average lows reaching 9.7°F.
🌡️ December to February (avg)  ·  13.1°F60.4°F

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

☀️ Summer in Alexandria

Summer temperatures in Alexandria peak in July, climbing to 95.9°F.
🌡️ June to August (avg)  ·  56.5°F94.1°F

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

🌧️ Rainy Season in Alexandria

Alexandria sees its highest rainfall in July, receiving approximately 110 mm of precipitation.
🌧️ May to September (avg)  ·  up to 110 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

🌡️ Alexandria Monthly Temperature Guide

Jul is the hottest month in Alexandria, with average highs reaching 96°F, while Jan is the coldest with lows dropping to 9.7°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 Alexandria

Alexandria receives its highest rainfall in Jul, while humidity peaks during winter months.
🌧️ Wettest: Jul — 110 mm ☀️ Driest: Feb — 73 mm

💧 Humidity peaks at 83% in Dec · annual avg 76%

🌍 Climate Summary

Avg Annual Temp:56.3°F
Avg Annual Rainfall:1108 mm
Avg Humidity:76%
Data Period:1981 – 2025

Alexandria Climate Overview

Alexandria has a warm 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 Alexandria's recorded history was 2024 (avg: 60.1°F), while the coldest year was 1996 (avg: 52.5°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

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

Alexandria's temperatures shows a slight warming trend over the past decade. The highest recorded temperature reached 104.4°F in Jul 2012, while the lowest dropped to -14.1°F in Jan 1994.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Alexandria 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 Virginia

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❓ Frequently Asked Questions

What is the hottest month in Alexandria?
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Alexandria, Virginia, with average high temperatures around 96°F.
What is the coldest month in Alexandria?
Jan is the coldest month in Alexandria, with average low temperatures around 9.7°F.
What is the rainiest month in Alexandria?
Jul receives the most rainfall with approximately 110 mm, while Feb is the driest with 73 mm.
What was the highest temperature ever recorded in Alexandria?
The highest recorded temperature was 104.4°F in Jul 2012. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Alexandria?
The lowest recorded temperature was -14.1°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 Alexandria get?
Alexandria receives the most sunlight in Jun with an average solar radiation of 6.14 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Virginia.
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