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Monthly climate in Saint Lucie, Florida, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint Lucie features a humid subtropical climate (Cfa).Temperatures typically range between 20 °C (68 °F) and 28 °C (83 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1291 mm (50.8 inches) and receives 185 rainy days on the 1 mm (0.04 inches) threshold annually.Saint Lucie enjoys an average of 3524 hours of sunshine throughout the year, and daylight varies from 10 hours 25 minutes to 13 hours 50 minutes per day.

Monthly average temperatures in Saint Lucie, Florida, United States §

The warmest months in Saint Lucie are July, August and September, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 20 to 22 °C (68 - 71 °F) throughout the day. On average each year, Saint Lucie experiences 237 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 Saint Lucie, 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)		 28°C
(83°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(88°F)		 29°C
(85°F)		 29°C
(85°F)
Mean maximum 27°C
(82°F)		 28°C
(82°F)		 29°C
(85°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(87°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(89°F)		 30°C
(87°F)		 28°C
(83°F)		 28°C
(82°F)
Average high 22°C
(72°F)		 24°C
(76°F)		 25°C
(76°F)		 26°C
(80°F)		 28°C
(82°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(85°F)		 28°C
(83°F)		 25°C
(78°F)		 24°C
(75°F)
Daily mean 20°C
(68°F)		 22°C
(71°F)		 22°C
(72°F)		 24°C
(75°F)		 26°C
(78°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 26°C
(80°F)		 23°C
(74°F)		 21°C
(70°F)
Average low 17°C
(63°F)		 19°C
(67°F)		 19°C
(67°F)		 22°C
(71°F)		 24°C
(75°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(70°F)		 18°C
(65°F)
Mean minimum 8°C
(47°F)		 11°C
(53°F)		 12°C
(55°F)		 16°C
(62°F)		 20°C
(69°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(58°F)		 10°C
(51°F)
Minimum 4°C
(40°F)		 8°C
(46°F)		 11°C
(53°F)		 15°C
(58°F)		 17°C
(64°F)		 23°C
(73°F)		 24°C
(76°F)		 25°C
(76°F)		 24°C
(75°F)		 13°C
(55°F)		 9°C
(49°F)		 8°C
(47°F)

Compare climate in Saint Lucie with other places

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

Monthly average precipitation in Saint Lucie, Florida, United States §

Saint Lucie usually has the most precipitation in June, July and August, with an average of 25 rainy days and 181 mm (7.1 inches) of precipitation per month.The driest months in Saint Lucie are January, February and March. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Lucie, 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) 38 (1.5) 48 (1.9) 31 (1.2) 69 (2.7) 125 (4.9) 173 (6.8) 175 (6.9) 194 (7.6) 168 (6.6) 133 (5.2) 83 (3.3) 54 (2.1)
Average precipitation days (≥ 1 mm) 6 9 5 9 15 23 27 27 23 18 13 10

Monthly sunshine hours in Saint Lucie, Florida, United States §

The sunniest months in Saint Lucie are April, July and August, when the sun shines an average of 10 hours 41 minutes a day.Least sunny months in Saint Lucie: January, February and November receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Lucie, 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 208 259 314 317 315 301 335 331 310 297 262 270
Mean daily daylight hours 10h 37m 11h 13m 12h 0m 12h 49m 13h 30m 13h 50m 13h 39m 13h 3m 12h 16m 11h 28m 10h 46m 10h 25m

Solar UV radiation in Saint Lucie, Florida, United States §

Saint Lucie experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 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 Saint Lucie UV Index data.

Average daily maximum UV levels by month for Saint Lucie, 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) 6 8 10 11 11 12 12 12 11 9 7 5