Armstrong, OK

Climate overview — based on NOAA 1991-2020 normals from DURANT, OK US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

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

Armstrong has an annual average temperature of 62.9°F with about 44.3 inches of precipitation per year and 2 inches of snow. The warmest month is August (average high 95.2°F), and the coldest is January (average low 29.8°F). May is typically the wettest month (5.42 in) and August the driest (2.41 in). Snow typically falls from December through March.

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
40.6°F
warmest to coldest month
Heating need
2,679
Cooling need
1,929

Best time to visit Armstrong

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Armstrong'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.

1900s
33
1910s
54
1920s
39
1930s
67
1940s
14
1950s
68
1960s
16
1970s
15
1980s
28
1990s
10
2000s
22
2010s
0
2020s
0

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 54.4°F 29.8°F 42.1°F 2.50 in 0.7 in 6
February 58.7°F 33.6°F 46.1°F 2.58 in 0.4 in 6
March 67.0°F 42.0°F 54.5°F 4.04 in 0.5 in 7
April 74.6°F 48.8°F 61.7°F 3.92 in 7
May 81.3°F 59.2°F 70.3°F 5.42 in 9
June 89.4°F 68.1°F 78.8°F 5.06 in 6
July 94.1°F 71.1°F 82.6°F 3.28 in 5
August 95.2°F 70.3°F 82.7°F 2.41 in 4
September 87.6°F 62.2°F 74.9°F 3.83 in 6
October 77.9°F 50.5°F 64.2°F 4.44 in 6
November 66.0°F 40.0°F 53.0°F 3.53 in 5
December 56.4°F 31.9°F 44.1°F 3.34 in 0.4 in 5

Climate twins of Armstrong

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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