St. Augustine Beach, FL

Climate overview — based on NOAA 1991-2020 normals from ST AUGUSTINE LIGHTHOUSE, FL US.

Cfa Humid subtropical climate 10a USDA hardiness Zone 10a

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

St. Augustine Beach has an annual average temperature of 71.2°F with about 50.6 inches of precipitation per year. The warmest month is July (average high 91.0°F), and the coldest is January (average low 47.8°F). August is typically the wettest month (7.18 in) and November the driest (2.32 in).

Pleasant months
5 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
24.8°F
warmest to coldest month
Heating need
534
Cooling need
2,763

Best time to visit St. Augustine Beach

Full guide →

Climate change signal

All-time records →

36 of 366 (9.8%) of St. Augustine Beach's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1970s
48
1980s
92
1990s
90
2000s
80
2010s
40
2020s
16

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 67.5°F 47.8°F 57.6°F 2.74 in 9
February 69.7°F 50.2°F 60.0°F 2.69 in 8
March 74.4°F 54.6°F 64.5°F 3.43 in 9
April 79.8°F 60.6°F 70.2°F 2.93 in 7
May 85.1°F 67.4°F 76.3°F 3.66 in 7
June 88.6°F 72.3°F 80.4°F 6.27 in 12
July 91.0°F 73.8°F 82.4°F 4.88 in 12
August 89.9°F 74.2°F 82.1°F 7.18 in 15
September 87.4°F 73.1°F 80.3°F 7.18 in 14
October 81.8°F 66.5°F 74.2°F 4.37 in 9
November 74.9°F 57.5°F 66.2°F 2.32 in 8
December 68.9°F 51.3°F 60.1°F 2.99 in 8

Climate twins of St. Augustine Beach

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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