The opening week or so of 2026 has already seen 30 per cent of frost hours recorded locally in an average year.
The temperature at the site in Wanstead has been -0.1C or lower for nearly 64 hours, already more than half of what was recorded here in the whole of 2020.
The mean for January is currently 1.1C, 4.1C below average. It’s also been a wet start with 28mm of rain, 53 per cent of the whole month average.
While there’s been colder starts to a year continuous data that allows this kind of analysis only stretches back to 2014 on this site.
The mean temperature for 2025 finished 12.2C, 0.2C above the most recent 10-year average and just 0.01 warmer than 2024.
The average maximum finished 16.7C, 0.5 above average and 0.6C up on 2024.
The average minimum finished 7.7C, 0.1C below average and 0.8C down on 2024.
There were 42 air frosts, 9 above average and the most for four years.
Annual rainfall totalled 458.4mm, 73% of average. It was the driest for 22 years and 4th driest in a local series going back to 1960.
Average 9am pressure was 1017.1mb, the highest for 10 years.
Meteorology-based musings about east London and beyond
Wanstead Meteo 
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