Climate
The climate of Edmond is affected mainly by winds from the continental Great Plains, though occasionally moist air comes up from the Gulf Coast. Winters are short and mild. Summers are hot, but the heat is mitigated by low humidity.
Average and Extreme Temperatures
| Temp. | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
| Extreme High(°F) | 80° | 84° | 93° | 100° | 104° | 105° | 109° | 110° | 104° | 96° | 87° | 86° |
| Average High(°F) | 47° | 52° | 61° | 72° | 79° | 87° | 93° | 92° | 84° | 74° | 60° | 50° |
| Average Temp(°F) | 36° | 41° | 50° | 60° | 69° | 77° | 82° | 81° | 73° | 62° | 49° | 40° |
| Average Low(°F) | 25° | 30° | 38° | 49° | 58° | 66° | 71° | 70° | 62° | 51° | 38° | 29° |
| Extreme Low (°F) | -4° | -3° | 1° | 20° | 32° | 47° | 53° | 51° | 36° | 22° | 11° | -8° |
Source: National Climatic Data Center, International Station Meteorological Climate Summary
Average Precipitation/Snowfall/Humidity
| Precipitation/Humidity | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
| Average Precipitation (in.) | 1.2 | 1.5 | 2.5 | 2.8 | 5.6 | 4.4 | 2.8 | 2.5 | 3.5 | 3.1 | 1.6 | 1.3 |
| Average Snowfall (in.) | 3 | 3 | 2 | <0.5 | 0 | 0 | 0 | 0 | 0 | <0.5 | 1 | 2 |
| Average Rel. Hum. 6 a.m. (%) | 78 | 78 | 76 | 77 | 84 | 84 | 81 | 81 | 82 | 79 | 78 | 77 |
| Average Rel. Hum. 3 p.m. (%) | 53 | 52 | 47 | 46 | 52 | 51 | 46 | 44 | 47 | 46 | 48 | 52 |
Source: National Climatic Data Center, International Station Meteorological Climate Summary