Waterloo, SC

Climate overview — based on NOAA 1991-2020 normals from GREENWOOD 8NE, SC US.

Cfa Humid subtropical climate 8b USDA hardiness Zone 8b

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Waterloo has an annual average temperature of 61.9°F with about 47.5 inches of precipitation per year. The warmest month is July (average high 90.4°F), and the coldest is January (average low 32.9°F). June is typically the wettest month (4.62 in) and October the driest (3.14 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
36.9°F
warmest to coldest month
Heating need
2,712
Cooling need
1,599

Best time to visit Waterloo

Full guide →

Climate change signal

All-time records →

245 of 366 (66.9%) of Waterloo'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.

2000s
2
2010s
236
2020s
128

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 53.8°F 32.9°F 43.3°F 4.15 in
February 57.1°F 35.0°F 46.1°F 3.84 in
March 65.1°F 41.4°F 53.2°F 4.45 in
April 73.4°F 48.8°F 61.1°F 3.33 in
May 80.5°F 58.1°F 69.3°F 3.51 in
June 86.9°F 66.5°F 76.7°F 4.62 in
July 90.4°F 70.0°F 80.2°F 3.77 in
August 88.5°F 68.8°F 78.7°F 4.28 in
September 83.5°F 63.3°F 73.4°F 4.14 in
October 74.3°F 52.0°F 63.1°F 3.14 in
November 64.0°F 40.2°F 52.1°F 3.70 in
December 56.2°F 35.1°F 45.7°F 4.60 in

Climate twins of Waterloo

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

Compare Waterloo to another city