Deltona, Florida Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Deltona weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——83°66°—
- FridayJun 5Overcast——84°69°+1°
- SaturdayJun 6Overcast——87°67°+3°
- SundayJun 7Overcast——91°67°+4°
- MondayJun 8Overcast——92°71°+1°
- TuesdayJun 9Light Drizzle34%—88°73°-4°
- WednesdayJun 10Light Drizzle38%—89°73°+1°
AQI 44 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (steady decline since this morning). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.69 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 33 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 by mid-afternoon.
- Present
- AQI 33
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.69 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.69
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 3:59 AM
- Moonset
- 2:54 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Deltona at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: February 8 (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 5, 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 | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | 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
August brings Deltona's highest temperatures (~83°F mean) while January delivers the coldest (~60°F). July sees peak rainfall at 8.2 inches, then precipitation drops to its annual low of 2.0 inches in November.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 60° | 2.8″ | 4 |
| February | 62° | 2.5″ | 4 |
| March | 66° | 3.2″ | 5 |
| April | 72° | 2.5″ | 4 |
| May | 77° | 3.4″ | 6 |
| June | 81° | 8.2″ | 12 |
| July | 83° | 8.2″ | 11 |
| August | 83° | 8.1″ | 12 |
| September | 81° | 6.3″ | 10 |
| October | 76° | 4.3″ | 6 |
| November | 68° | 2.0″ | 4 |
| December | 63° | 2.5″ | 4 |
Regional context
Deltona belongs to a humid subtropical climate region that produces similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Miami, FL, Tampa, FL, Orlando, FL, Jacksonville, FL, Cape Coral, FL.
Naturalist notes
Late May brings the peak migration of painted buntings through central Florida, their brilliant colors flashing through oak hammocks.
Southern magnolia trees release their intense fragrance during June blooming, filling warm evenings with their distinctive scent.
Frequently asked
- When does it freeze in Deltona?
- Deltona's last spring frost typically falls around mid-February, and the first fall frost arrives around mid-December.
- What is the rainy season in Deltona?
- July receives the most rainfall with about 8.2 inches on average; the city gets roughly 54 inches annually.
- What is the warmest month in Deltona?
- August typically brings the warmest weather, averaging about 83°F.
- What is the coldest month in Deltona?
- January typically brings the coldest weather, averaging about 60°F.
- When can I start a vegetable garden in Deltona?
- Cool-season crops (peas, lettuce) can be planted around the last spring frost (mid-February); warm-season crops (tomatoes, peppers) should wait until 1–2 weeks after.
- How many rainy days does Deltona get?
- Deltona averages about 82 rainy days per year.
- What hardiness zone is Deltona?
- Deltona's USDA hardiness zone depends on its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Deltona, Florida experiences a humid subtropical climate zone. January temperatures hover near 60°F while July averages 83°F — a 23°F seasonal swing.
Throughout the year, Deltona receives about 54 inches of precipitation spread over roughly 82 rainy days.
Geographic factors determine the local weather patterns: latitude (28.9°N), proximity to large water bodies, and elevation all influence what grows here, when frost occurs, and daily weather conditions.