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Monthly climate in Saint Augustine, Florida, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint Augustine features a humid subtropical climate (Cfa).Temperatures typically range between 15 °C (59 °F) and 27 °C (81 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 1086 mm (42.8 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually.Saint Augustine enjoys an average of 3418 hours of sunshine throughout the year, and daylight varies from 10 hours 14 minutes to 14 hours 1 minutes per day.

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

The warmest months in Saint Augustine are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 17 °C (59 - 63 °F) throughout the day. On average each year, Saint Augustine experiences 144 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 Augustine, 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 24°C
(75°F)		 24°C
(75°F)		 26°C
(79°F)		 27°C
(82°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)		 32°C
(89°F)		 32°C
(90°F)		 30°C
(87°F)		 28°C
(83°F)		 24°C
(75°F)
Mean maximum 22°C
(71°F)		 23°C
(73°F)		 24°C
(75°F)		 26°C
(78°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(88°F)		 30°C
(87°F)		 29°C
(84°F)		 26°C
(78°F)		 23°C
(73°F)
Average high 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)		 22°C
(71°F)		 19°C
(67°F)
Daily mean 15°C
(59°F)		 17°C
(62°F)		 18°C
(65°F)		 21°C
(70°F)		 24°C
(75°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 25°C
(77°F)		 20°C
(69°F)		 17°C
(63°F)
Average low 13°C
(56°F)		 15°C
(59°F)		 16°C
(62°F)		 19°C
(67°F)		 23°C
(73°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(79°F)		 24°C
(75°F)		 19°C
(66°F)		 15°C
(60°F)
Mean minimum 5°C
(42°F)		 9°C
(49°F)		 9°C
(48°F)		 14°C
(57°F)		 19°C
(66°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 23°C
(74°F)		 17°C
(63°F)		 13°C
(56°F)		 8°C
(47°F)
Minimum 1°C
(34°F)		 6°C
(43°F)		 7°C
(44°F)		 11°C
(52°F)		 15°C
(60°F)		 22°C
(71°F)		 24°C
(75°F)		 25°C
(76°F)		 20°C
(68°F)		 12°C
(54°F)		 7°C
(45°F)		 5°C
(41°F)

Compare climate in Saint Augustine with other places

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

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

Saint Augustine usually has the most precipitation in July, September and October, with an average of 16 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Saint Augustine are January, March and May. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Augustine, 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) 55 (2.2) 78 (3.1) 46 (1.8) 81 (3.2) 58 (2.3) 88 (3.5) 112 (4.4) 91 (3.6) 155 (6.1) 130 (5.1) 107 (4.2) 85 (3.3)
Average precipitation days (≥ 1 mm) 5 11 6 8 6 14 16 16 16 16 10 10

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

The sunniest months in Saint Augustine are May, July and August, when the sun shines an average of 10 hours 38 minutes a day.Least sunny months in Saint Augustine: January, February and December receive an average of 7 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Augustine, 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 204 230 301 306 332 306 337 319 301 288 247 241
Mean daily daylight hours 10h 27m 11h 7m 12h 0m 12h 54m 13h 39m 14h 1m 13h 49m 13h 9m 12h 17m 11h 24m 10h 37m 10h 14m

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

Saint Augustine experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 11 - 11, 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 Augustine UV Index data.

Average daily maximum UV levels by month for Saint Augustine, 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 11 11 11 11 9 7 5