Summer temperatures · Florida
How hot does Jacksonville get in summer?
Jacksonville right now
55°FBroken cloud
- Today59°F / 47°FClouds
- Tomorrow66°F / 44°FClouds
- Monday66°F / 44°FClouds
Cloudy, as promised.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical summer, June to August, Jacksonville averages highs around 91°F and lows around 73°F.
About 80 days a year reach 90°F or hotter, and about one reaches 100°F. About 209 days a year get to 80°F or warmer. That makes it the 19th hottest summer of the 129 US cities we track.
Last updated
The hottest high in the forecast for the next 48 hours is about 66°F.
Jacksonville clears 80°F on about 209 days a year, which is a lot of days to spend arguing about whether the beach or the pool is cooler.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 91°F |
|---|---|
| Average summer low | 73°F |
| Days a year at 80°F or warmer | 209 |
| Days a year at 90°F or hotter | 80 |
| Days a year at 100°F or hotter | 1 |
| Average winter high, for comparison | 67°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Savannah, Georgia: highs around 91°F, lows around 73°F
- Memphis, Tennessee: highs around 91°F, lows around 72°F
- Tallahassee, Florida: highs around 92°F, lows around 72°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00013889.