Pollinators can be seen foraging for pollen and nectar as soon as it becomes available to them- if the weather is mild enough. In fact this photo is from February a couple of years ago. We have become accustomed to warmer winters in the UK but not this year. Snowdrops are in flower as are Winter Aconites, Hellebores etc. but I have yet to see any pollinators on the wing, it's just too cold.

 The mean temperature for the UK in January was 3°C which is 0.9°C less than the LTA (long term average) 1990-2020. Actually I rate it as one if not the coldest spells during that period where southern England is concerned. There have been frosts night after night and temperatures not much above freezing day after day. However this would have been considered fairly typical during the previous LTA 1961-1990.

 Mysteriously the Met Office has said that January was the fifth sunniest on record. Not in Hertfordshire or London; perhaps other parts of the country bagged all the sunshine??