High Heaton Weather and Air Quality – July 2025

Weather

July was the sixth month in succession with an average temperature higher than normal. The average was 16.9°C which is 1.0°C above the mean of the last 30 years. There was a particularly hot period from the 9^th to the 15^th, during which month’s maximum temperature of 25.8°C was recorded at 3.15pm on Thursday 10^th. Nationally this period was newsworthy as being the third heatwave of the summer. We have not had any official heatwaves in High Heaton however, as the requirement (in our region) of three consecutive days above 25°C has not been met. The month’s minimum temperature was 8.5°C, and this occurred at 3.15am on Thursday 3^rd.  July was also the sixth month in succession with below average rainfall. Total rainfall was 56mm which is 90% of the average for July. The wettest day was Saturday July 19^th when 17mm was recorded, making it wettest day since early January. However, the heaviest rainfall occurred at around 3pm on Monday 14^th when a peak rate of 104mm/hour was recorded during a brief thunderstorm.

Air Quality

July was another good month for air quality. The Air Quality Index was classed as ‘good’ throughout the month. It was in band one (best) on 26 days, and in band two on the other 5 days. In terms of PM2.5 particle concentration, the average was 5.9µg/m³. It exceeded the WHO recommended level of 10µg on 5 days with a maximum value of 17µg on Friday 25^th. The UK limit of 25 µg was not breached for the third successive month. 

John Telfer