Deltona, Florida climate: NOAA's gridded normals for the city, beside the nearest station records
NOAA's gridded 1991-2020 normals put Deltona's center at January lows of 49°F and July highs of 92°F, a yearly mean of 72.2°F and 51.9 inches of precipitation. No NOAA station keeps a record under the city's name. The nearest station record, Sanford (9 miles S, 55 ft), has January lows of 50°F and July highs of 93°F.
100,513 people (Census Bureau 2024). Distances and directions are from the city's center.
- Jan 70° 49°
- Feb 73° 51°
- Mar 78° 55°
- Apr 82° 60°
- May 87° 66°
- Jun 90° 71°
- Jul 92° 73°
- Aug 92° 74°
- Sep 89° 72°
- Oct 84° 66°
- Nov 77° 58°
- Dec 72° 52°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
The months above are NOAA's gridded normals at Deltona's center.
What is each month like in Deltona?
NOAA's grid estimates the normals every 5 km or so from the stations around each point, terrain included. It smooths between stations, so night lows at the heart of a large city can run warmer than the grid shows: at five big-city airports we compared, the grid's highs were within about 1°F of the station and its lows 1-6°F cooler. The nearest record's high and low are beside each month.
| Month | High | Low | Mean | Precip. | Sanford high | Sanford low |
|---|---|---|---|---|---|---|
| January | 70°F | 49°F | 59.5°F | 2.75 | 71°F | 50°F |
| February | 73°F | 51°F | 62.3°F | 2.31 | 74°F | 52°F |
| March | 78°F | 55°F | 66.3°F | 3.26 | 78°F | 56°F |
| April | 82°F | 60°F | 71.2°F | 2.52 | 83°F | 61°F |
| May | 87°F | 66°F | 76.6°F | 3.50 | 89°F | 67°F |
| June | 90°F | 71°F | 80.9°F | 7.79 | 91°F | 73°F |
| July | 92°F | 73°F | 82.6°F | 7.13 | 93°F | 74°F |
| August | 92°F | 74°F | 82.6°F | 7.27 | 93°F | 75°F |
| September | 89°F | 72°F | 80.5°F | 6.75 | 90°F | 73°F |
| October | 84°F | 66°F | 74.7°F | 4.03 | 85°F | 67°F |
| November | 77°F | 58°F | 67.4°F | 2.22 | 78°F | 58°F |
| December | 72°F | 52°F | 62.1°F | 2.37 | 73°F | 53°F |
In metric: a yearly mean of 22.3°C, January lows of 9°C, July highs of 33°C and 1,318 mm of precipitation a year.
Source: NOAA NCEI U.S. Monthly Gridded Climate Normals 1991-2020 (nClimGrid, accession 0245564); NOAA NCEI 1991-2020 station normals. The grid cell holding the city's Census center point.
What do the station records around Deltona say?
Each row is a NOAA station's own 1991-2020 normals, with the snow and frost dates the grid does not give. A record downhill or nearer the coast than the city can run warmer, one uphill cooler: compare the elevations.
| Record | Where | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| SanfordOrlando Sanford Airport | 9 mi S | 55 ft | 73.2°F | 50°F | 93°F | 49.6 | – | January 24 |
| DeLandDeland (1 mi SSE) | 9 mi NW | 25 ft | 70.3°F | 45°F | 91°F | 55.5 | 0 | February 17 |
| New Smyrna BeachNew Smyrna Beach - Marine Discov | 20 mi NE | 16 ft | 72.0°F | 52°F | 88°F | 50.6 | – | January 28 |
Source: NOAA NCEI 1991-2020 U.S. Climate Normals; place center and population: Census Bureau 2024. Last frost: the median last spring date of 32°F.
How much snow, how late a frost, what zone and how much sun in Deltona?
NOAA's grid gives no snow, frost dates or records, so these come from the nearest station record, Sanford (9 miles S, 55 ft). NOAA publishes no snowfall normal for it; the nearest record that has one, DeLand (9 miles NW), gets 0 inches a year. The last spring frost (32°F) comes after January 24 in half of years and the first autumn frost before January 9. Its record high is 103°F (1998) and its record low 19°F (1985), on the National Weather Service's long record for the area (kept since 1948).
The USDA's 2023 Plant Hardiness Zone Map puts Deltona in zone 9b across its 2 ZIP code areas.
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds in the area (4.9 kWh per square metre a day, NASA POWER 2001-2020); April is the sunniest month (83%) and June the cloudiest (75%).
Sanford's page has its months, frost probabilities, records by month and recent years. NOAA's grid has monthly figures only, so there are no day-by-day month pages for Deltona; the nearest record's month pages have them.
Source: NOAA NCEI 1991-2020 normals, station USW00012854; records: ACIS; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; sunshine: NASA POWER.
How does the climate vary across Deltona, ZIP code by ZIP code?
2 ZIP code areas lie wholly or partly in Deltona. On NOAA's grid 32725 is the warmest (72.2°F a year) and 32738 the coolest (72.2°F), so the city is nearly uniform. Each row also names the nearest station record and its frost dates.
Source: Census Bureau 2020 ZCTA-to-place relationship file and ZCTA centers; NOAA NCEI gridded and station normals, 1991-2020. A ZIP area counts when at least a tenth of its land (and 0.5 km²) is in the city; its figures are the grid cell at its center; frost dates are the nearest record's medians of 32°F.