Jacksonville, FL Weather Forecast & Climate Guide
Jacksonville has a humid subtropical climate with hot summers and mild winters.
Climate type: Humid subtropical (Köppen Cfa)
Jacksonville Climate Overview
Hot, humid summers with afternoon thunderstorms. Mild winters occasionally see frost.
Afternoon sea breezes moderate summer temperatures. Hurricanes can impact the area.
Jacksonville Weather by Season
spring
Spring is warm and sunny with highs climbing from the 70s°F to the upper 80s°F. March and April are especially pleasant with low humidity and blooming azaleas.
summer
Summers are hot and humid with highs in the low 90s°F and daily afternoon thunderstorms. Ocean breezes provide some relief along the coast.
fall
Fall stays warm and muggy through October, with peak hurricane risk in September. November finally brings drier, cooler weather.
winter
Winters are mild with highs in the mid-60s°F and lows in the 40s°F. Occasional cold fronts can drop temperatures into the 30s°F for a night or two.
Jacksonville Average Monthly Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 65° | 68° | 74° | 80° | 86° | 90° | 92° | 91° | 87° | 80° | 73° | 66° |
| Low °F | 44° | 46° | 52° | 58° | 65° | 72° | 74° | 74° | 71° | 63° | 54° | 46° |
Best Time to Visit Jacksonville
Mid-October through April. Mild temperatures, low humidity, minimal rain, and outside hurricane season. February and March are especially nice with highs in the 70s°F.
Severe Weather Risks
- Hurricanes
- Severe thunderstorms
- Lightning
- Flash flooding
- Tropical storms
Weather Facts About Jacksonville
- >Jacksonville is one of the few Florida cities that occasionally sees hard freezes in winter.
- >The city's coastal location and river mouth create some of Florida's most diverse weather patterns.
- >Hurricane Matthew (2016) brought major coastal flooding to Jacksonville Beach despite tracking offshore.
Jacksonville Weather FAQ
When is the best time to visit Jacksonville?
Mid-October through April. Pleasant temperatures, low humidity, minimal rain, and outside hurricane season. March delivers mild days perfect for golf and beach activities.
Does Jacksonville get hurricanes?
Yes. Atlantic hurricanes occasionally impact the area, most notably Matthew (2016) and Irma (2017). Jacksonville's coastal location and St. Johns River make storm surge and flooding major concerns.
How cold does Jacksonville get?
Milder than most of the northern Florida interior, but colder than Miami or Tampa. Winter highs average in the mid-60s°F. Hard freezes happen a few times per winter when Arctic air reaches the Southeast.
How humid are Jacksonville summers?
Very humid. July and August dewpoints push past 75°F, making heat index values climb into the 100s°F. Daily thunderstorms provide brief cooling but add more moisture.