Climateby Month

Deltona, FL weather in July

NOAA 1991-2020 normals and daily records · Deltona all year

Expect hot, oppressively humid weather with rain on most days in Deltona in July, with highs near 92°F and lows near 74°F. Rain falls on about 16 days. It is one of the warmest months in Deltona. Plan outdoor time for mornings and evenings.

Normal high
92°F
Normal low
74°F
Wet days
16
8.2 in total
Muggy days
31
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high91°F92°F
Normal low74°F74°F
Chance of a wet day54%54%
Sunrise / sunset6:30 am / 8:27 pm6:45 am / 8:17 pm
Daylight14.0 h13.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical July day

  1. 6 am76°Fdew point 73°F
  2. 9 am84°Fdew point 74°F
  3. Noon89°Fdew point 72°F
  4. 3 pm88°Fdew point 71°F
  5. 6 pm83°Fdew point 72°F
  6. 9 pm79°Fdew point 72°F

NOAA hourly normals (local standard time) from Orlando Sanford Airport (8 mi away); average wind 6 mph; clear or few clouds in 58% of daytime hours, mostly cloudy or overcast in 24%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Hot dayshigh 90°F or more26 of 31
  • Muggy daysdaily mean dew point 65°F or more31 of 31
  • Wet daysat least 0.01 in of rain or melted snow16 of 31
  • Notable rainat least 0.10 in11 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 8.2 in; a dry July brings about 6.7 in and a wet one about 9.6 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 3 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202016: average high 96°F
  • Coolest July2013: average high 90°F
  • Wettest July1991: 16.6 in
  • Driest July1993: 2.6 in
  • Highest reading103°F (July 1, 1998)
  • Lowest reading66°F (July 7, 1999)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high90°F92°F92°F
Normal low72°F74°F75°F
Wet days161618
Comfortable days000
Daylight14.0 h13.8 h13.2 h

Highs change by +2°F from June and 0°F into August.

Nearby alternatives in July

How Deltona ranks in July

  • Normal high104th warmest of 378 cities; 6th of 23 in Florida
  • Wet days360th driest of 378
  • Comfortable days262nd most of 340

What to pack for Deltona in July

  • Light, breathable clothing – highs near 92°F and about 31 muggy days
  • A rain jacket or umbrella – rain on about 16 days

Heating and cooling

July has 0 heating degree days and 558 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.

Questions

How hot is Deltona in July?

The normal high is 92°F and the normal low is 74°F. From 1991 to 2020 the hottest July reading was 103°F (July 1, 1998).

Does it rain a lot in Deltona in July?

About 16 days in July have at least 0.01 in of precipitation, and the normal total is 8.2 in. The wettest July in 1991-2020 was in 1991 (16.6 in); the driest was in 1993 (2.6 in).

Is July a good time to visit Deltona?

July ranks 11th of 12 months on our comfort score for Deltona (32 out of 100). It has almost no comfortable days and about 26 days at 90°F or hotter. The best months are January, February and March.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Sanford (USC00087982), 6.0 mi S of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Orlando Sanford Airport (USW00012854), 8.4 mi S of the city center, 55 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Orlando Executive Airport (USW00012841), 25 mi S of the city center, 108 ft (76 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Orlando Sanford Airport (722057-12854), 8.4 mi S of the city center, 49 ft . Hourly observations, 1991-2020.