Just before dawn. As soon as the sun rises it will begin warming (unless the sky is overcast with clouds or smoke).
My horses are kept out in pasture 24/7, as I believe is best for them. Other people turn their horses out at night during the hottest part of the year, and in the day during the coldest.
The Sun heats the ground, then the ground heats the air. Consequently, the coldest part of the day is usually about half and hour to an hout after sunrise.
Usually around 5-7am
The hottest day recorded in Tonga reached approximately 33.4°C (92.1°F), typically occurring during the summer months. Conversely, the coldest temperatures can drop to around 12°C (53.6°F), usually during the winter season. However, temperatures can vary slightly depending on the specific island and time of year.
Today is the coldest day of the year.
In the northern hemisphere, the winter solstice hits on 12/21 each year. This is the point when orbit and tilt of the earth's axis is at it's furthest point away from the sun. Typically this will be the coldest day, excluding meteorological changes local to where you are on that day.
The coldest day ever in Seattle was December 31, 1950. It was 0 °F!
The first day of summer...for 2011 the 21st /It's merely the longest day in terms of sunshine per day. In general all days are equally long because that's how we measure our timeline. However when the "longest sunny day of the year" occur is entirely depending on where you live on earth. longest sunshine would be if you lived as near the poles center as you can.
It probably won't get colder than a -30 in the winter.
The Arctic habitat is generally considered the coldest, with temperatures reaching as low as -50°C. The hottest habitat is the Desert biome, where temperatures can exceed 50°C during the day.
Sarnia's coldest day on record was -32.2°C (-26°F) on January 14, 1973.
Ronald ReagenWhen The Coldest March Inauguration Occured...O_o