On the Winter Solstice.
The sun's lowest position in the sky occurs at the Winter Solstice. This usually happens around December 21 which is marked by the shortest day and longest night of the year.
June on the summer solstice
It depends where you are on Earth - in the Northern Hemisphere the sun is in the sky longest in June. In the Southern Hemisphere, it's December.
For a given shadow object, and at a given time of the day, the shadows will be longer in winter, for then the Sun will be lowest in the sky
it appears lowest in the sky at dusk
The sun is lowest in the sky in the northern hemisphere around December 21st, the time of the Winter Solstice.
For anyone in the northern hemisphere, the sun is lowest in the sky on December 21.For anyone in the Southern Hemisphere, the sun is lowest in the sky on June 21.For anyone on the Equator, the sun is lowest in the sky on both of those occasions.(Of course, we're talking about its altitude at Noon, not at sunrise and sunset.)
That will depend on where you live. If you are in the Northern Hemisphere it appears lowest in December. The further north you are, the lower it looks. If you are in the Southern Hemisphere it appears lowest in June. The further south you are, the lower it looks.
On the Winter Solstice.
That is called midnight.
Highest is at noon, and the lowest is at dawn and dusk.
The sun's lowest position in the sky occurs at the Winter Solstice. This usually happens around December 21 which is marked by the shortest day and longest night of the year.
June on the summer solstice
If you're in the Northern Hemisphere, then the month is December.
The lowest the sun can ever be in the sky at local noon at latitude 6 degrees 34 minutes north is approximately 145 million kilometres.
In the southern hemisphere, the sun appears lowest in the sky on June 21 ... the beginning of Winter ... and highest in the sky on December 21 ... the beginning of Summer.