Jacksonville, FL Climate & Monthly Averages
The climate of Jacksonville
Located in Florida, United States, Jacksonville experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 89°F (32°C) in July and dip to about 64°F (18°C) in January, with around 50.7 inches (1288 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 89°F (32°C)
- Coldest month: January - highs near 64°F (18°C)
- Record high: 103°F (39°C) · Record low: 24°F (-4°C) (2015–2024)
- Wettest month: August (24 rainy days) · Sunniest: May (11.6 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 89°F (32°C) and overnight lows stay near 76°F (24°C). The coolest month is January, with typical highs of 64°F (18°C) and lows around 48°F (9°C). Based on 2015–2024 weather data, temperatures have reached as high as 103°F (39°C) and dropped as low as 24°F (-4°C).
Rain, sun and snow
August is usually the wettest month. It brings about 7.6 inches (192 mm) of rain over 24 days, while November is the driest. May brings the most sunshine, averaging 11.6 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 64° | 48° | 7 | 2.5 in | 7.8 h/day | 76% |
| February | 69° | 52° | 8 | 3.0 in | 8.4 h/day | 78% |
| March | 74° | 57° | 8 | 2.8 in | 9.5 h/day | 73% |
| April | 79° | 62° | 8 | 3.0 in | 10.7 h/day | 72% |
| May | 84° | 68° | 10 | 3.2 in | 11.6 h/day | 73% |
| June | 88° | 74° | 19 | 6.3 in | 11.1 h/day | 78% |
| July | 89° | 76° | 22 | 6.6 in | 11.2 h/day | 80% |
| August | 88° | 76° | 24 | 7.6 in | 10.6 h/day | 83% |
| September | 85° | 73° | 17 | 7.4 in | 9.5 h/day | 82% |
| October | 79° | 66° | 10 | 3.6 in | 9.4 h/day | 79% |
| November | 72° | 58° | 8 | 2.4 in | 8.1 h/day | 80% |
| December | 68° | 53° | 7 | 2.5 in | 7.5 h/day | 81% |
Jacksonville month by month
Jacksonville weather in January
January brings highs around 64°F (18°C), lows near 48°F (9°C), about 7 wet days - typically the coldest month of the year in Jacksonville.
Jacksonville weather in February
February brings highs around 69°F (21°C), lows near 52°F (11°C), about 8 wet days.
Jacksonville weather in March
March brings highs around 74°F (24°C), lows near 57°F (14°C), about 8 wet days.
Jacksonville weather in April
April brings highs around 79°F (26°C), lows near 62°F (16°C), about 8 wet days.
Jacksonville weather in May
May brings highs around 84°F (29°C), lows near 68°F (20°C), about 10 wet days - typically the sunniest month of the year in Jacksonville.
Jacksonville weather in June
June brings highs around 88°F (31°C), lows near 74°F (23°C), about 19 wet days.
Jacksonville weather in July
July brings highs around 89°F (32°C), lows near 76°F (24°C), about 22 wet days - typically the hottest month of the year in Jacksonville.
Jacksonville weather in August
August brings highs around 88°F (31°C), lows near 76°F (24°C), about 24 wet days - typically the wettest month of the year in Jacksonville.
Jacksonville weather in September
September brings highs around 85°F (29°C), lows near 73°F (23°C), about 17 wet days.
Jacksonville weather in October
October brings highs around 79°F (26°C), lows near 66°F (19°C), about 10 wet days.
Jacksonville weather in November
November brings highs around 72°F (22°C), lows near 58°F (14°C), about 8 wet days - typically the driest month of the year in Jacksonville.
Jacksonville weather in December
December brings highs around 68°F (20°C), lows near 53°F (12°C), about 7 wet days.
Seasons in Jacksonville
Spring (March through May)
Spring in Jacksonville brings comfortable warmth, with daytime highs averaging 79°F (26°C) and nights around 62°F (17°C); expect showers on roughly 26 days across the season.
Summer (June through August)
Summer in Jacksonville runs hot, with daytime highs averaging 88°F (31°C) and nights around 75°F (24°C); expect showers on roughly 65 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Jacksonville brings comfortable warmth, with daytime highs averaging 79°F (26°C) and nights around 66°F (19°C); expect showers on roughly 35 days across the season.
Winter (December through February)
Winter in Jacksonville stays on the cool side of mild, with daytime highs averaging 67°F (19°C) and nights around 51°F (11°C); expect showers on roughly 22 days across the season.
Climate questions, answered
What is the average temperature in Jacksonville?
Is Jacksonville hot in summer?
Is Jacksonville cold in winter?
How many rainy days does Jacksonville get in a year?
Best time to visit Jacksonville
The best time to visit Jacksonville is generally January to May and October, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 75°F (24°C).
Pack for Jacksonville with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - July nights average 76°F (24°C).
Jacksonville temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.