Morrison, OK

Climate overview — based on NOAA 1991-2020 normals from RED ROCK 7SSE MESONET, 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

Morrison has an annual average temperature of 59.4°F with about 36.5 inches of precipitation per year. The warmest month is July (average high 93.1°F), and the coldest is January (average low 24.8°F). May is typically the wettest month (5.03 in) and January the driest (1.16 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
45.1°F
warmest to coldest month
Heating need
3,651
Cooling need
1,638

Best time to visit Morrison

Full guide →

Climate change signal

All-time records →

208 of 366 (56.8%) of Morrison'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
14
2010s
223
2020s
129

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 48.4°F 24.8°F 36.6°F 1.16 in — —
February 53.1°F 28.0°F 40.5°F 1.46 in — —
March 62.7°F 37.6°F 50.1°F 2.61 in — —
April 70.9°F 46.0°F 58.4°F 4.02 in — —
May 79.2°F 56.9°F 68.0°F 5.03 in — —
June 87.9°F 66.1°F 77.0°F 4.59 in — —
July 93.1°F 70.3°F 81.7°F 3.73 in — —
August 93.0°F 68.5°F 80.7°F 3.75 in — —
September 84.6°F 59.7°F 72.2°F 3.18 in — —
October 73.4°F 47.4°F 60.4°F 3.27 in — —
November 60.8°F 36.2°F 48.5°F 2.03 in — —
December 50.3°F 27.4°F 38.8°F 1.66 in — —

Climate twins of Morrison

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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