Best window to run: 8 PM–10 PM
Today in Jacksonville. Best window to run: 8 PM–10 PM. 75°F, feels 81°, 89% humidity. Backup window: 6 AM–9 AM. The verdict: it's runnable, just not perfect.
7-Day Run Windows for Jacksonville
The best hour to run each day, scored against the Run Window engine.
Windows are calculated for a default runner comfort zone. With Run Window installed, these tune to your own preferences as you log runs.
Quick Answer: Running in Jacksonville
Running in Jacksonville: A Seasonal Guide
Jacksonville's humid subtropical climate shapes the running experience across all four seasons. Warm summers and the transition seasons define the running calendar. Humidity can be the hidden factor that makes or breaks a run here.
Peak season (November and December): Mild temperatures and lower humidity create conditions most runners dream about. You can comfortably run at almost any time of day.
Off-season strategy: In summer, morning runs before 8 AM avoid the worst heat. In winter, midday runs let you catch the warmest hours.
Local runners know that winter is prime running season. Also worth noting: beach runs offer ocean breezes.
Best Months to Run
November, December, January, February, March offer the most comfortable running conditions in Jacksonville. During these months, you'll find mild temperatures and manageable weather patterns perfect for outdoor running.
Seasonal Running Temperatures
Temperature Range by Season
Low: 44°F
High: 66°F
Low: 56°F
High: 80°F
Low: 72°F
High: 92°F
Low: 58°F
High: 80°F
Running Weather Tips for Jacksonville
Afternoon thunderstorms are daily in summer
Winter is prime running season
Beach runs offer ocean breezes
Gate River Run is a major local race
Popular Running Routes in Jacksonville
Related Running Guides
How to Run in Any Weather: The Complete Guide
Everything you need to know about running in all weather conditions. Heat, cold, rain, wind, humidity—master them all with strategies that actually work.
12 min readWeather and Heart Rate: Complete Guide to Understanding How Conditions Affect Your Running Heart Rate
Master the relationship between weather and heart rate for smarter training—understanding why heat elevates heart rate, how humidity compounds the effect, using heart rate data across conditions, and training effectively when weather impacts your metrics.
17 min readTropical Running Weather Guide: Complete Strategy for Heat, Humidity, and Thunderstorms
Running in tropical climates with year-round heat, high humidity, and afternoon thunderstorms—comprehensive strategies for thriving in challenging conditions and finding optimal running windows.
13 min readFrequently Asked Questions
What's today's best window to run in Jacksonville?+
What is the best time to run in Jacksonville?+
What weather challenges do runners face in Jacksonville?+
What are the average running temperatures in Jacksonville?+
Get Personalized Run Windows for Jacksonville
Run Window analyzes hourly weather in Jacksonville and learns your preferences to tell you exactly when to run. No more checking multiple weather apps.