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Monthly climate in Casselberry, Florida, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Casselberry features a humid subtropical climate (Cfa).Temperatures typically range between 16 °C (61 °F) and 28 °C (82 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1291 mm (50.8 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually.Casselberry enjoys an average of 3486 hours of sunshine throughout the year, and daylight varies from 10 hours 19 minutes to 13 hours 56 minutes per day.

Monthly average temperatures in Casselberry, Florida, United States §

The warmest months in Casselberry are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 19 °C (61 - 66 °F) throughout the day. On average each year, Casselberry experiences 241 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Casselberry, Florida, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(85°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(97°F)		 35°C
(95°F)		 35°C
(94°F)		 34°C
(94°F)		 33°C
(91°F)		 32°C
(89°F)		 30°C
(86°F)
Mean maximum 28°C
(83°F)		 29°C
(85°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(93°F)		 34°C
(93°F)		 34°C
(94°F)		 34°C
(94°F)		 34°C
(93°F)		 32°C
(90°F)		 29°C
(85°F)		 28°C
(83°F)
Average high 21°C
(70°F)		 24°C
(76°F)		 25°C
(78°F)		 27°C
(82°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 31°C
(89°F)		 29°C
(85°F)		 25°C
(77°F)		 23°C
(73°F)
Daily mean 16°C
(61°F)		 19°C
(66°F)		 20°C
(68°F)		 22°C
(72°F)		 25°C
(77°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 25°C
(77°F)		 20°C
(69°F)		 17°C
(63°F)
Average low 11°C
(52°F)		 14°C
(57°F)		 15°C
(59°F)		 17°C
(64°F)		 20°C
(69°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 24°C
(75°F)		 22°C
(71°F)		 16°C
(61°F)		 12°C
(55°F)
Mean minimum 1°C
(33°F)		 4°C
(39°F)		 5°C
(40°F)		 9°C
(49°F)		 15°C
(59°F)		 21°C
(71°F)		 23°C
(73°F)		 23°C
(74°F)		 21°C
(69°F)		 14°C
(57°F)		 8°C
(46°F)		 3°C
(37°F)
Minimum -3°C
(27°F)		 1°C
(33°F)		 3°C
(37°F)		 7°C
(45°F)		 12°C
(53°F)		 20°C
(69°F)		 22°C
(72°F)		 23°C
(74°F)		 18°C
(64°F)		 7°C
(45°F)		 3°C
(38°F)		 1°C
(34°F)

Compare climate in Casselberry with other places

Compare temperature, precipitation, sunshine, UV index in Casselberry, Florida, United States with other places around the world.

Monthly average precipitation in Casselberry, Florida, United States §

Casselberry usually has the most precipitation in June, July and August, with an average of 25 rainy days and 213 mm (8.4 inches) of precipitation per month.The driest months in Casselberry are January, March and November. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Casselberry, Florida, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 37 (1.5) 56 (2.2) 25 (1.0) 75 (3.0) 107 (4.2) 199 (7.9) 216 (8.5) 222 (8.7) 165 (6.5) 82 (3.2) 44 (1.7) 62 (2.4)
Average precipitation days (≥ 1 mm) 4 7 3 7 11 23 26 27 20 15 6 7

Monthly sunshine hours in Casselberry, Florida, United States §

The sunniest months in Casselberry are May, July and August, when the sun shines an average of 10 hours 35 minutes a day.Least sunny months in Casselberry: January, February and November receive an average of 7 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Casselberry, Florida, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 209 250 311 309 324 302 333 327 306 294 257 260
Mean daily daylight hours 10h 31m 11h 10m 12h 0m 12h 52m 13h 35m 13h 56m 13h 44m 13h 6m 12h 17m 11h 25m 10h 41m 10h 19m

Solar UV radiation in Casselberry, Florida, United States §

Casselberry experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Casselberry UV Index data.

Average daily maximum UV levels by month for Casselberry, Florida, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 8 9 11 11 12 12 11 11 9 7 5