The seasons are defined as spring (March, April, May), summer (June, July, August), autumn (September, October, November) and winter (December, January, February).
Here is a guide tour to the 6 seasons of India as per the Hindu Calendar
- Spring (Vasant Ritu)
- Summer (Grishma Ritu)
- Monsoon (Varsha Ritu)
- Autumn (Sharad Ritu)
- Pre-winter (Hemant Ritu)
- Winter (Shishir or Shita Ritu)
The Meteorological SeasonsMeteorological spring includes March, April, and May; meteorological summer includes June, July, and August; meteorological fall includes September, October, and November; and meteorological winter includes December, January, and February.
Climate
| Seasons | Month | Av. Temp (Min-Max) |
|---|
| Winter | December to January | 5o to 25o |
| Spring | Feburary to March | 20o to 25o |
| Summer | April to June | 25o to 45o |
| Monsoon | July to Mid-September | 30o to 35o |
This year's autumnal equinox is on Tuesday 22 September – the earliest date it can fall, with the latest being 24 September. According to the system, autumn gives way to winter on the date of the winter solstice, which this year falls on Monday 21 December.
The four seasons—spring, summer, fall, and winter—follow one another regularly. Each has its own light, temperature, and weather patterns that repeat yearly.
The seasons are defined as spring (March, April, May), summer (June, July, August), autumn (September, October, November) and winter (December, January, February).
When you think of spring, you probably think of warm, sunny days, picnics in the park, and the occasional spring shower. And it's reasonable to expect that because we're getting more daylight each day and the sun is warming things up. But for most of the U.S., spring actually tends to be a few degrees colder than fall.
Meteorological autumnBy the meteorological calendar, the first day of autumn is always 1 September; ending on 30 November. The seasons are defined as spring (March, April, May), summer (June, July, August), autumn (September, October, November) and winter (December, January, February).
While the exact definition of a season's timing and length can differ in different areas based on local conditions, in most of the Northern Hemisphere meteorological fall is generally defined as the three months of September, October and November, with the season starting on September 1 and ending on November 30.
The analogues point to a mixed autumn with a warmer, drier, more anticyclonic September favaoured while October looks balanced between a drier or wetter outcome and November looks set to be a colder month. GWV autumn 2020 forecast predicts a milder than average season by around 0.5C to 1C.
In 2020, the autumnal equinox—also called the September equinox or fall equinox—arrives on Tuesday, September 22. Fall begins in the Northern Hemisphere and spring begins in the Southern Hemisphere.
Winter runs from December 21st (more or less,) to March 21st (more or less — the dates of the Winter Solstice and Spring (Vernal) Equinox can change by a day.) The result is that the “middle of winter” is 46 days after December 21st, or February 5th.
Most areas of the Earth have four seasons in a year: spring, summer, autumn (British English) or fall (US English), and winter. In places which are tropical and subtropical, there are two seasons: the rainy (or wet, or monsoon) season and the dry season. This is because the rain changes more than the temperature.
For the Northern Hemisphere, the months of January and February are typically the coldest. The reason is due to cumulative cooling and a relatively low sun angle. Thus, the coldest months of the year for most Northern Hemisphere locations are the months of January and February.
Winters in Australia are generally cool with temperatures dropping to as low as 5 degrees Celsius. You might also experience some frosty nights during Australia winter months. June and July are typically the coldest months.
The seasons change because the Earth tilts on an angle as it orbits the sun. This means that during a part of the year, either the northern part or the southern part of the Earth leans more directly towards the sun. The part closest to the sun gets more light and heat and has summer.
Summary. In most parts of Australia, the coldest night and day typically occur during July, several weeks after the June winter solstice. However, every year is different and in most areas we can get the coldest temperatures at any time from autumn to spring.
Adelaide, Melbourne, Canberra, and Sydney can experience heat waves in December (and throughout the summer) with temperatures in excess of 105° F (40° C). The average temperatures aren't that high, though. Average December highs in Adelaide, Canberra, and Sydney are 79° F (26° C), and in Melbourne 77° F (25° C).
The stark contrasts between the four seasons are the main characteristics of the annual natural cycle in Finland. For a great part of the year the land is covered in frost and snow but there is a certain kind of mystique in the air when the seasons eventually change.
In spring, days are warmer but the humidity is not as high as summer. Average daily temperatures range from 11 - 23°C (51.8 - 73.4°F).
Heat and wildfires are common during December through February (Australian summer), but the heat is unusual this year. That's because the El Nino — a band of unusually warm ocean temperatures in the central and eastern equatorial Pacific — is supposed to be in a neutral period.
Yes, it does snow in parts of Australia, and yes – the snow is significant. The aptly named “Snowy Mountains” region has substantial snowfall each winter, as does Victoria's “High Country” region, which is only a few hours drive from Melbourne.
"Meteorological" fall (aka autumn) is defined as the months of September, October and November in the Northern Hemisphere (it's spring in the Southern Hemisphere). Thus, the three hottest months of June, July and August constitute summer, while the three coldest months of December, January and February are winter.
Winter is often defined by meteorologists to be the three calendar months with the lowest average temperatures. This corresponds to the months of December, January and February in the Northern Hemisphere, and June, July and August in the Southern Hemisphere.
Dates for Summer from 2016 to 2026
| Year | Summer starts on | Summer ends on |
|---|
| Summer 2020 | Saturday, June 20, 2020 | Tuesday, September 22, 2020 |
| Summer 2021 | Monday, June 21, 2021 | Wednesday, September 22, 2021 |
| Summer 2022 | Tuesday, June 21, 2022 | Friday, September 23, 2022 |
| Summer 2023 | Wednesday, June 21, 2023 | Saturday, September 23, 2023 |
Then comes summer, the hottest season. After that is autumn, in which the weather begins to cool off and the leaves fall from some trees. Then comes winter again. The year can also be divided into 12 months: January, February, March, April, May, June, July, August, September, October, November, and December.
Since the amount of sunlight is at its minimum at the winter solstice, which occurs around December 22, you might expect that day to be the coldest of the year, on average. But instead, the coldest time of year in the Northern Hemisphere occurs in February, nearly 2 months later.
November 2020 to October 2021. Winter will be warmer than normal, on average, especially across the north. The coldest periods will be in early and mid-December and in early to mid- and late January. Rainfall will be below normal, with the best threats for snow in the north in late December and late January.
Invierno (Winter)Invierno is the Spanish word for winter. In the Northern Hemisphere, it technically begins December 20-23 and ends March 19-21. In the Southern Hemisphere, these dates are reversed to June 20-22 and September 21-24.
All the weather phenomena on the planet, like season change and daylight hours, depend on the rotation of Earth on its tilted axis—the Earth is tilted at an angle of 23.5 degrees. From here, the Earth will witness another shift of seasons, with the arrival of the next equinox due on September 22, 2020.
