Hartselle, AL

Climate overview — based on NOAA 1991-2020 normals from DECATUR 4SE, AL 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

Hartselle has an annual average temperature of 61.4°F with about 58 inches of precipitation per year. The warmest month is July (average high 89.3°F), and the coldest is January (average low 31.2°F). December is typically the wettest month (5.97 in) and August the driest (3.88 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
37.5°F
warmest to coldest month
Heating need
2,850
Cooling need
1,548

Best time to visit Hartselle

Full guide →

Climate change signal

All-time records →

180 of 366 (49.2%) of Hartselle'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.

1990s
27
2000s
90
2010s
174
2020s
75

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 52.4°F 31.2°F 41.8°F 5.44 in
February 56.8°F 34.1°F 45.5°F 5.56 in
March 65.0°F 41.4°F 53.2°F 5.40 in
April 73.8°F 49.3°F 61.6°F 5.22 in
May 80.2°F 58.0°F 69.1°F 4.86 in
June 86.6°F 65.9°F 76.3°F 4.55 in
July 89.3°F 69.3°F 79.3°F 4.84 in
August 88.9°F 68.4°F 78.6°F 3.88 in
September 84.4°F 62.1°F 73.3°F 3.91 in
October 74.0°F 50.3°F 62.2°F 3.92 in
November 62.9°F 39.8°F 51.3°F 4.42 in
December 54.9°F 33.9°F 44.4°F 5.97 in

Climate twins of Hartselle

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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