Florida

Lake Mack-Forest Hills, Florida Climate

NOAA 1991-2020 normals for Deland 1 Sse, 12.3 km from Lake Mack-Forest Hills

The warmest month is July, with an average high of 91°F; the coldest is January, with an average low of 45°F. A normal year brings 55.5 in of precipitation.

Temperature through the year

The normal daily high and low and the record for every date at DeLand (DED), since 1892. The line marks today.

Normal daily high and low temperature at Lake Mack-Forest Hills through the year, in °F, with the record for each date.020406080100120JanFebMarAprMayJunJulAugSepOctNovDec
  • Normal low
  • Normal high
  • Record high
  • Record low

Normals for Sep 25

Normal high
87°F
Normal low
70°F
Record high
100°Fin 1925
Record low
59°Fin 1903
Chance of a wet day
44%
Daylight
12 h 02 min

Month by month

Averages for 1991-2020. Wet days have at least 0.01 inch of precipitation. Freeze nights have a low of 32°F or colder; degree days are on a 65°F base. Each month links to its own page.

MonthAvg highAvg lowRecord highRecord lowPrecipitationWet daysFreeze nightsHeating DDCooling DD
January69°F45°F89°F (1959)16°F (1985)3.07 in8.33.727321
February72°F47°F90°F (1959)15°F (1917)2.44 in7.41.718134
March76°F51°F96°F (1920)25°F (1962)3.54 in7.90.311469
April81°F57°F98°F (1922)30°F (1987)2.47 in6.20.027152
May86°F64°F100°F (1962)42°F (1982)4.16 in8.60.02304
June89°F71°F102°F (1964)54°F (1933)8.20 in17.20.00445
July91°F72°F102°F (1942)59°F (2001)8.70 in17.20.00513
August90°F73°F102°F (1999)60°F (1986)7.05 in16.50.00513
September88°F71°F101°F (1921)53°F (1956)6.91 in14.00.00428
October83°F64°F98°F (1919)34°F (1989)3.98 in10.30.012260
November76°F54°F91°F (2019)24°F (1950)2.32 in8.10.18787
December71°F48°F89°F (1972)16°F (1894)2.65 in8.21.620341
Year81°F60°F55.49 in13078992,868

Precipitation

Rain and melted snow together. The chance of a wet day is the share of days with at least 0.01 inch of precipitation.

55.5 in in a normal year, most in July.

Chance of a wet day

The chance of at least 0.01 inch of precipitation on each date at Lake Mack-Forest Hills, in percent.0204060JanFebMarAprMayJunJulAugSepOctNovDec
  • Chance of a wet day

Frost and the growing season

NOAA's 1991-2020 freeze probabilities for Deland 1 Sse. A median date has an even chance of a later freeze in spring, or an earlier one in fall.

The last spring freeze typically comes around February 17 and the first fall freeze around December 30, a growing season of about 310 days.

Median at 36°F
last March 8, first December 11
Median at 32°F
last February 17, first December 30
Median at 28°F
last January 31, first January 10

Frost dates, growing season and degree days

Humidity and comfort

NASA POWER reanalysis, 1991-2020, for the grid cell around Lake Mack-Forest Hills.

The muggiest month is July, when 100 percent of days are muggy or worse, with a mean dew point of 65°F or more.

MonthDew pointHumidityDryComfortableHumidMuggyOppressiveMiserable
January51°F78%56%17%19%8%0%0%
February53°F77%49%20%23%9%0%0%
March55°F73%41%23%22%13%1%0%
April59°F70%25%21%28%23%3%0%
May64°F68%7%14%27%37%15%0%
June72°F77%0%1%3%22%63%11%
July74°F81%0%0%0%2%66%32%
August75°F83%0%0%0%3%45%52%
September73°F84%0%0%2%12%61%24%
October67°F81%8%9%18%28%32%5%
November59°F80%28%20%23%21%7%0%
December55°F80%45%15%23%15%2%0%

Comfort is judged by the day's mean dew point: dry below 55°F, comfortable to 60°F, humid to 65°F, muggy to 70°F, oppressive to 75°F, miserable above.

Clouds

Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.

The clearest month is May, with the sky 48 percent covered on average; the cloudiest is June, at 61 percent.

Wind

The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.

The windiest month is March, averaging 8.5 mph at 10 meters (33 feet) above the ground.

Daylight and sunshine

The longest day is Jun 17, with 14 h 00 min of daylight; the shortest is Dec 18, with 10 h 17 min.

Hours of daylight at Lake Mack-Forest Hills through the year.0510152025JanFebMarAprMayJunJulAugSepOctNovDec
  • Day length

Solar energy

Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.

Sunrise and sunset calendar

Month pages

The weather in Lake Mack-Forest Hills in each month, day by day.

What this means

A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.

A record is the highest or lowest value on the date in every year the station has reported, back to 1892. It rests on one station, so a neighbor a few miles away can hold different ones.

Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.

More for this place

Nearby

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00082229 (Deland 1 Sse), public domain. Records: NOAA GHCN-Daily, station USC00082229, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus. Rankings: NOAA NCEI Climate at a Glance, public domain.