July 2013 was the warmest July on record for both of the official climate stations in Connecticut, at Bradley International Airport and Sikorsky Airport.
Windsor Locks – Bradley International Airport (KBDL):
The mean temperature for July was 77.9°F, which broke the record of 77.2° set back in 1955. The average mean temperature for July is 73.6°, meaning July 2013 was 4.3° above average. Although there were some hot days, the nearly persistent warm evenings were a significant factor in keeping the mean temperature up so high.
The airport reached 90° on 12 out of 31 days, while the average is 6 out of 31.
The low temperature stayed at or above 70° for 17 out of 31 days.
*The temperature reached 90° seven (7) days in a row from July 14-20, 2013.
Stratford – Sikorsky Airport (KBDR):
The mean temperature for July was 78.5°F, which broke the record of 78.4° set back in 1994. The average mean temperature for July is 74.3°, meaning July 2013 was 4.2° above average.
The airport reached 90° on 11 out of 31 days, while the average is 4 out of 31.
The low temperature stayed at or above 70° for 22 out of 31 days.
*The temperature never fell below 80° on July 19th, 2013.
*They also had a 7-day heat wave from July 14-20, 2013 with highs at or above 90°.