St. Augustine weather by month
What a typical year looks like in St. Augustine, Florida: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ST AUGUSTINE WTP, 2 km from St. Augustine; records cover 1973–2026.
The year at a glance
- Precipitation a year
- 50.6 in1286 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 3
- First fall freeze
- Dec 11
- Heating degree days
- 802
- Cooling degree days
- 3,079
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 32°0° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
St. Augustine in January
Highs average 68°20° and lows 48°9°, with 2.7 in70 mm of precipitation in a typical January.
- Record high
- 86°30° (1985)
- Record low
- 10°−12° (1985)
- Heating degree days
- 248
- Cooling degree days
- 21
St. Augustine in February
Highs average 70°21° and lows 50°10°, with 2.7 in68 mm of precipitation in a typical February.
- Record high
- 89°32° (2025)
- Record low
- 21°−6° (1996)
- Heating degree days
- 168
- Cooling degree days
- 27
St. Augustine in March
Highs average 74°24° and lows 55°13°, with 3.4 in87 mm of precipitation in a typical March.
- Record high
- 93°34° (1994)
- Record low
- 23°−5° (1980)
- Heating degree days
- 92
- Cooling degree days
- 77
St. Augustine in April
Highs average 80°27° and lows 61°16°, with 2.9 in74 mm of precipitation in a typical April.
- Record high
- 95°35° (1989)
- Record low
- 34°1° (1987)
- Heating degree days
- 20
- Cooling degree days
- 176
St. Augustine in May
Highs average 85°30° and lows 67°20°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 98°37° (2000)
- Record low
- 41°5° (2013)
- Heating degree days
- 1
- Cooling degree days
- 350
St. Augustine in June
Highs average 89°31° and lows 72°22°, with 6.3 in159 mm of precipitation in a typical June.
- Record high
- 101°38° (1985)
- Record low
- 52°11° (1984)
- Heating degree days
- 0
- Cooling degree days
- 464
St. Augustine in July
Highs average 91°33° and lows 74°23°, with 4.9 in124 mm of precipitation in a typical July.
- Record high
- 103°39° (1986)
- Record low
- 59°15° (1988)
- Heating degree days
- 0
- Cooling degree days
- 539
St. Augustine in August
Highs average 90°32° and lows 74°23°, with 7.2 in182 mm of precipitation in a typical August.
- Record high
- 101°38° (1999)
- Record low
- 61°16° (1988)
- Heating degree days
- 0
- Cooling degree days
- 528
St. Augustine in September
Highs average 87°31° and lows 73°23°, with 7.2 in182 mm of precipitation in a typical September.
- Record high
- 99°37° (1990)
- Record low
- 51°11° (1981)
- Heating degree days
- 0
- Cooling degree days
- 457
St. Augustine in OctoberThis month
Highs average 82°28° and lows 67°19°, with 4.4 in111 mm of precipitation in a typical October.
- Record high
- 94°34° (1977)
- Record low
- 36°2° (1990)
- Heating degree days
- 9
- Cooling degree days
- 292
St. Augustine in November
Highs average 75°24° and lows 58°14°, with 2.3 in59 mm of precipitation in a typical November.
- Record high
- 89°32° (2015)
- Record low
- 29°−2° (1991)
- Heating degree days
- 73
- Cooling degree days
- 109
St. Augustine in December
Highs average 69°21° and lows 51°11°, with 3 in76 mm of precipitation in a typical December.
- Record high
- 86°30° (1990)
- Record low
- 16°−9° (1983)
- Heating degree days
- 191
- Cooling degree days
- 39