Jacksonville, Florida Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Jacksonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——82°70°—
- ThursdayJun 4Overcast——84°64°+2°
- FridayJun 5Overcast——86°66°+2°
- SaturdayJun 6Overcast——91°71°+5°
- SundayJun 7Overcast12%—88°73°-3°
- MondayJun 8Overcast22%—94°75°+6°
- TuesdayJun 9Drizzle47%—81°76°-13°
Ozone at AQI 48 now. AQI flat over the last 6 hours (within ±3 points). With UV 9.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 61 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 now. With UV 9.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 61 by mid-afternoon.
- Present
- AQI 48
- UV peak
- 9.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 61
PM × Wind × Precip
PM2.5/PM10 ratio 0.64 with 15 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.64
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 2:46 AM
- Moonset
- 12:55 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Jacksonville at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: February 17 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
July brings Jacksonville's peak heat with average temperatures around 84°F, while January delivers the year's coldest conditions at roughly 56°F. Precipitation follows its own calendar, with June bringing the heaviest rains at 7.3 inches and November marking the driest period at just 2.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 56° | 2.9″ | 5 |
| February | 60° | 2.3″ | 5 |
| March | 65° | 3.1″ | 6 |
| April | 71° | 2.4″ | 4 |
| May | 78° | 3.2″ | 5 |
| June | 82° | 7.3″ | 10 |
| July | 84° | 6.0″ | 10 |
| August | 84° | 6.3″ | 10 |
| September | 81° | 6.1″ | 8 |
| October | 74° | 3.5″ | 5 |
| November | 65° | 2.0″ | 4 |
| December | 59° | 2.5″ | 4 |
Regional context
Jacksonville falls within the humid subtropical climate region, sharing temperature ranges, seasonal rhythms, and growing conditions with other cities in this climate zone.
Similar climates: Miami, FL, Tampa, FL, Orlando, FL, Cape Coral, FL, Palm Bay, FL.
Naturalist notes
May brings the peak migration of painted buntings through Jacksonville's coastal areas, with males displaying their brilliant blue heads and red underparts.
Late spring sees southern magnolia trees reaching full bloom across the city, their large white flowers releasing their characteristic lemony fragrance.
Frequently asked
- When does it freeze in Jacksonville?
- Jacksonville typically sees its last spring frost around mid-March, while the first fall frost usually arrives around mid-December.
- What is the rainy season in Jacksonville?
- June stands as the wettest month, delivering about 7.3 inches of rain on average, contributing to the city's annual total of roughly 48 inches.
- What is the warmest month in Jacksonville?
- July typically records the highest temperatures, with averages around 84°F.
- What is the coldest month in Jacksonville?
- January usually brings the coldest weather, averaging about 56°F.
- When can I start a vegetable garden in Jacksonville?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-March, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Jacksonville get?
- Jacksonville experiences about 76 rainy days per year on average.
- What hardiness zone is Jacksonville?
- Jacksonville's USDA hardiness zone depends on its lowest average winter temperatures; the USDA's online lookup tool using the city ZIP code provides the current zone designation.
Climate
Jacksonville, Florida experiences a humid subtropical climate zone. Winter temperatures in January typically hover near 56°F, while summer heat in July averages 84°F — creating a 28°F seasonal swing.
Throughout the year, Jacksonville collects about 48 inches of precipitation distributed across roughly 76 rainy days.
Weather patterns here follow the city's latitude at 30.3°N, its proximity to large water bodies, and local elevation — factors that determine what plants thrive, when frost threatens, and how daily weather unfolds.