Hammon, OK

Climate overview — based on NOAA 1991-2020 normals from HAMMON 3 SSW, OK US.

Cfa Humid subtropical climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

20° 40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Hammon has an annual average temperature of 58.6°F with about 27.6 inches of precipitation per year and 7.1 inches of snow. The warmest month is July (average high 94.1°F), and the coldest is January (average low 22.3°F). May is typically the wettest month (3.89 in) and February the driest (0.82 in). Snow typically falls from December through March.

Annual swing
45.1°F
warmest to coldest month
Heating need
3,861
Cooling need
1,557

Best time to visit Hammon

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Hammon'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.

1920s
62
1930s
27
1940s
40
1950s
100
1960s
35
1970s
35
1980s
37
1990s
18
2000s
12

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 50.2°F 22.3°F 36.3°F 0.92 in 1.8 in 3
February 54.9°F 25.3°F 40.1°F 0.82 in 1.2 in 2
March 63.9°F 33.8°F 48.9°F 2.03 in 1.8 in 4
April 72.6°F 42.7°F 57.6°F 2.62 in 4
May 80.5°F 53.6°F 67.1°F 3.89 in 6
June 89.3°F 64.2°F 76.8°F 3.49 in 7
July 94.1°F 68.6°F 81.4°F 2.23 in 4
August 93.6°F 66.7°F 80.2°F 2.94 in 5
September 85.2°F 57.6°F 71.4°F 2.94 in 5
October 73.9°F 44.9°F 59.4°F 2.65 in 4
November 61.5°F 32.0°F 46.8°F 1.53 in 3
December 51.3°F 23.0°F 37.2°F 1.54 in 2.3 in 3

Climate twins of Hammon

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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