Amount of Sunshine Oklahoma Gets Each Month

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Number of Sunny Days

In these tables, the average numbers of Sunny Days for places in Oklahoma are the total days each month or year when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.

Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime.

Total Days With Sun is a sum of the Sunny plus Partly Sunny days. The rest of the days are mainly overcast, with at least 80% cloud cover. All the numbers are averages, made from years of weather watching

Days with clear skies in Oklahoma City, Oklahoma
  Sunny Partly Sunny Total Days With Sun
January   11   6   17
February     9   7   16
March   10   8   18
April     9   8   17
May     9 10   19
June   10 11   21
July   15 10   25
August   14 10   24
September   13   8   21
October   14   7   21
November   12   7   19
December   12   6   18
Annual 139 96 235
Days with clear skies in Tulsa, Oklahoma
  Sunny Partly Sunny Total Days With Sun
January   10     7   17
February     9     6   15
March     9     8   17
April     8     9   17
May     8   10   18
June     9   11   20
July   13   11   24
August   13   11   24
September   12     8   20
October   14     7   21
November   11     7   18
December   10     7   17
Annual 127 103 230

Amount of Sun

Here's another way to look at how much sunshine Oklahoma normally gets. The % Sun numbers measure the percentage of time between sunrise and sunset that sunshine reaches the ground. Again, these amounts are averages based on decades of weather observations.

The Total Hours figures are the average number of sunny hours a place has each month or in a year, taken from data collected for 1961 to 1990.

Amount of sunshine in Oklahoma City, Oklahoma
  % Sun Total Hours
January 60   201
February 60   190
March 65   244
April 68   271
May 66   295
June 75   326
July 79   357
August 79   329
September 72   264
October 70   245
November 61   187
December 58   181
Annual 68 3089
Amount of sunshine in Tulsa, Oklahoma
  % Sun Total Hours
January 53   176
February 56   172
March 58   220
April 60   244
May 60   267
June 66   295
July 74   335
August 73   305
September 66   233
October 64   219
November 56   161
December 53   161
Annual 62 2786
References

National Climatic Data Center. Comparative Climatic Data.

World Data Center for Meteorology. Climate of the World.

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