July 2013 was the hottest month ever recorded here with an average temperature of 18.0°C, and the maximum temperature of 29.0°C recorded on the 13th at 16:45, was the highest temperature ever recorded at Bracken House. This ended a run of six successive months of below average temperatures. The minimum temperature recorded was 9.0°C recorded on the 2nd at 03:05. The mean temperature for July is now 16.5°C. The average daily maximum temperature was 23.4°C, and the average daily minimum was 13.1°C. The average dew-point of 13.7°C was a station record, as was the maximum heat index of 30.3°C, recorded at 17:38 on the 22nd. Sunshine hours were 135.6, well up on 2012’s 93.0 hours.
Rainfall in the month totalled 65.8 millimetres, well down on last year’s total of 91.8, but 7.2 millimetres above the average for July. Almost 50% of the month’s rainfall (32.4 millimeters) fell on the 23rd, making it the wettest day of the year so far and the fourth wettest day ever at Bracken House. Rain fell on a total of 11 days, with the 22nd’s total of 12.8 millimetres the second wettest day in the month. 259.0 millimetres have now fallen in 2013, 40.3 millimetres less than what is expected by the end of July.
The maximum barometric pressure for the month was 1035.4 millibars, recorded on the 8th at 08:29. The minimum barometric pressure was 997.8 millibars, recorded on the 28th at 02:57. The average pressure for the month was 1019.4 millibars.
Winds were very light in July 2013, with the maximum wind speed being 13.8 mph from 293° (WNW) on the 28th at 10:12, and the maximum gust speed being 21.9 mph from 293° (WNW) on the 28th at 10:43. The average wind speed for the month was 2.4 mph, and the average gust speed was 4.5 mph. The total windrun was 1587.6 miles.

Weather Underground graph for July 2013.
Related articles
- Weather review – June 2013 (alanrowley.info)
- New all-time high temperature set (alanrowley.info)
