we haven’t reached 0C yet
I’d say, if the ground is frozen, you have reached well below 0ºC!
Yes, it is a bit chilly. Went out for a little tow-path spin to meet a friend, sat and had a cup of tea and a pice of cake with a little friend, and watched the ducks. Very nice.
But when I got back on the bike, bloody hell, it was sooooo cold! Me toes and fingertips were really stinging. Had to proper peg it, back, to get warm again. Just about warmed up, by the time I got home. Remind me to take a hip-flask out with me, next time…