Bluffton, SC

Climate overview — based on NOAA 1991-2020 normals from SAVANNAH INTL AP, GA US.

Cfa Humid subtropical climate 9b USDA hardiness Zone 9b

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

Bluffton has an annual average temperature of 67.5°F with about 48.1 inches of precipitation per year. The warmest month is July (average high 92.3°F), and the coldest is January (average low 40.0°F). June is typically the wettest month (6.65 in) and November the driest (2.39 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
32.3°F
warmest to coldest month
Heating need
1,440
Cooling need
2,325

Best time to visit Bluffton

Full guide →

Climate change signal

All-time records →

67 of 366 (18.3%) of Bluffton'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.

1940s
12
1950s
60
1960s
38
1970s
31
1980s
75
1990s
34
2000s
17
2010s
70
2020s
29

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 61.4°F 40.0°F 50.7°F 3.28 in 9
February 65.1°F 42.9°F 54.0°F 2.80 in 8
March 71.4°F 48.6°F 60.0°F 3.50 in 8
April 78.2°F 55.2°F 66.7°F 3.39 in 7
May 84.7°F 63.4°F 74.1°F 3.62 in 7
June 89.6°F 70.7°F 80.1°F 6.65 in 12
July 92.3°F 73.7°F 83.0°F 5.75 in 12
August 90.8°F 73.3°F 82.1°F 5.46 in 13
September 86.4°F 69.0°F 77.7°F 4.35 in 10
October 79.0°F 58.6°F 68.8°F 3.72 in 7
November 70.2°F 48.0°F 59.1°F 2.39 in 7
December 63.7°F 42.6°F 53.2°F 3.21 in 8

Climate twins of Bluffton

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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