Earths Tilt and Polar Variations

There are also variations between polar regions. As the north pole experiences summer the south pole experiences winter. The north and the south are closer to the sun at different times of the year. The summer solstice occurs in the southern hemisphere around 21st December while the north experiences summer. In both hemispheres, the first day of winter solstice marks the first day of astronomical summer similar to the first day of the winter solstice.

When the earth is not tilted on its axis, these polar regions experience spring and autumn. This phenomenon according to this DDF Network discount offer is referred to as equinox. These are times when the earth’s axis is pointed parallel to the sun instead of being towards or away from it. Days and nights during the equinox are equal. Spring on equinox happens around 20th March in the northern hemisphere while the southern hemisphere experiences autumn. Vernal or spring equinox starts on 20th September in the southern hemisphere as the north experiences autumn. In both hemispheres, the first day of autumnal equinox marks the first day of fall. The same holds for the first day of the vernal or spring equinox.

Intra-seasonal Variations

There are other factors that affect temperature and weather conditions over seasons. For instance, mountainous regions experience more ice in winter than the plains. Some areas experience dry summers while some experience wet summers. Coastal regions may experience violent tropical storms.

Meteorological Description

Seasonal points are preceded by weather conditions. This is because seasonal change does not happen at an instant but over a given period. Meteorological seasons are based on these changes. Here seasons are assigned to three months which shows weather consistency. The northern hemisphere experiences winter from December to February. Spring in the north and autumn in the south is experienced from March to May. Months of summer are June, July, and August. From September to December comes autumn in the north and spring in the south.

Conclusion

These seasons have a huge impact on life on earth. Activities carried out in each location depends on the prevailing weather. For example, people go skiing in winter when there is ice. Also, swimming happens during summer. Animals migrate, hibernate or mate depending on seasons. Plants germinate, bear fruits, and weather depending on the seasons. Conditions are only favorable for specific Adult Time discount activities. Each season comes with its own threats and sustenance.