National Weather Service Weather Forecast Office

Quick HOT Weather Temperature Facts For

Oklahoma City, OK (since 1891)

Facts and Tidbits:

• Average First 90° Temperature - ~May 6. The first 90-degree temperature this year occurred on May 3rd (91^o).
• Average Last 90° Temperature - ~September 27^th
• Average First 100° Temperature - ~July 9^th
• Average Last 100° Temperature - ~August 20^th
• Earliest 90° Temperature - February 1, 1911 (90°)
• Latest 90° Temperature - October 26, 1891 (92°)
• Latest 100° Temperature - September 30, 1977 (100°)
• Earliest 100° Temperature  - April 12, 1972 (100°)
• Last 100° Temperature in 2011 - September 13^th (102°)
• First 100° Temperature in 2012 - June 25^th (103°)
• Hottest Temperature on Record - 113° (August 11, 1936 and August 3, 2012). In 1936, the high temperature was 112° on August 10th and 110° on August 12th.
• Hottest Temperature of 2011 - 110° (July 9, August 5, August 6)
• Hottest Temperature of 2012 - 113° (August 3)
• Warmest Low Temperature on Record - 83° (July 25, 1934, August 1, 1934, August 12 and 13, 1936)
• Average Temperature for the Hottest Climatological Summer (June thru August) - 87.5 (2011). The previous record was 85.9° (1934 and 1980).
• Average Temperature for the Hottest June - 85.4° (1953)
• Average Temperature for the Hottest July - 89.2° (2011). The average high temperature was 102.5°.
• Average Temperature for the Hottest August - 89.0 (2011) The previous record was 88.7° (1936).
• Average Temperature for the Hottest September - 82.2° (1931)
• Hottest June Temperature on Record - 107° (June 22, 1936)
• Hottest July Temperature on Record - 110° (July 6, 1996 & July 9, 2011)
• Hottest August Temperature on Record - 113° (August 11, 1936 and August 3, 2012)
• Hottest September Temperature on Record - 108° (September 2 & September 3, 2000)

High Temperatures ≥ 110°:

• August 10, 1936 - 112°
• August 11, 1936 - 113°
• August 12, 1936 - 110°
• August 2, 1980 - 110°
• July 6, 1996 - 110°
• July 9, 2011 - 110°
• August 5, 2011 - 110°
• August 6, 2011 - 110°
• August 1, 2012 - 112°
• August 2, 2012 - 112°
• August 3, 2012 - 113°

Notable 90° & 100° Streaks:

• Most Consecutive 100°+ Days - 22 (August 4 - 26, 1936). The most recent streak was 17 consecutive days ending on September 4, 2000 (3^rd longest).
• Most Consecutive Days With Temperatures ≥ 105° - 7 (July 31-August 6, 2011)
• Most Consecutive Days With Temperatures ≥ 110° - 3 (August 10-August 12, 1936)
• Most Consecutive 90°+ Days - 71 (June 23 - September 1, 1980 and June 1 - August 10, 2011).
• Fewest 100°+ Temperatures in a Calendar Year - 0 (Numerous times, most recently in 2004)
• Most 100°+ Temperatures in a Calendar Year - 63 (2011) The previous record was 50 (1980).
• Most 100°+ Temperatures in June - 12 (1953)
• Most 100°+ Temperatures in July - 27 (2011)
• Most 100°+ Temperatures in August - 24 (2000)
• Most 100°+ Temperatures in September - 7 (2000)
• Highest Number of Days With Temperatures ≥ 90° in a Calendar Year - 113 (1998)
• Highest Number of Days With Temperatures ≥ 90° in June - 30 (2011)
• Highest Number of Days With Temperatures ≥ 90° in July - 31 (1954, 1980, 2003, 2006, 2011)
• Highest Number of Days With Temperatures ≥ 90° in August - 31 (1980, 1999, 2000)
• Highest Number of Days With Temperatures ≥ 90° in September - 25 (1939)

For the most up-to-date weather information and forecasts for the summer season, you can click here to go to the National Weather Service Norman, OK Homepage.