At night from 20 to 21 June 2025 we will welcome astronomical summer. The minute of summertime solstice will come precisely 21 June at 4:43 CET (CEST). That's erstwhile The sun will scope the point of zenith above the Cancer Crosser, which means the longest day and the shortest night of the year in the northern hemisphere. This phenomenon occurs all year at the minute erstwhile the Earth's rotation axis is inclined most towards the Sun.
From the minute of the solstice, the days begin to gradually shorten, and the nights extend – until the December winter solstice.
How long will the longest day in Poland take?
The duration of the day of 21 June 2025 varies according to latitude:
- In Gdansk – the longest day in Poland 17 hours and 13 minutes.
- In Warsaw – about 16 hours and 47 minutes.
- In Zakopane – 16 hours and 14 minutes, or almost less time than in the north of the country.
These are the differences that arise from the geographical location – the further north the longer the day during the summertime solstice.
Early summertime weather forecast
According to information TVN Meteo, Friday, June 20, 2025 brings very favourable weather conditions:
- Temperature: 19°C (sensible besides 19°C)
- Sky: clear, sunny
- Wind: 26 km/h
- Pressure: 1021 hPa
- Air Quality: defined as Great
On Saturday, June 21, the continued good weather with temperature up to 24°C at day and 14°C at night. These are excellent conditions for celebrating the beginning of summertime – both astronomical and upcoming calendar.
When does the calendar and weather summertime begin?
In addition to the summertime solstice, there are 2 another ways to specify the beginning of the summer:
- Calendar Summer: always begins 22 June and lasts until 23 September. It is contractual in nature and serves to set dates in calendars and seasonal observations.
- Weather summer: Starts 1 June and ends 31 August. They have been established for statistical and climatic purposes to compare weather data in the long term.
Thanks to these 3 different definitions of summers (astronomical, calendar, meteorological), specialists can better track and forecast weather phenomena and analyse their impact on the environment and human health.
The importance of summertime solstice
The summertime solstice is simply a phenomenon of large astronomical but besides cultural and symbolic importance. For centuries it has been celebrated by different cultures as The beginning of the cycle of abundance and lightHe was frequently accompanied by rituals related to the forces of nature.
Modern solstice is besides sign for farmers, travellers, meteorologists, as well as people planning summertime activities and leisure. The importance of this day is besides seen by the organizers of outdoor events, for which long day means more light and more planning opportunities.
What's next? Forecasts for the summertime 2025
Experts from weather services indicate that the summertime of 2025 may be inconclusive weatherand models indicate high variability. We can anticipate both hot waves as well as cold periods. specified weather is the consequence atmospheric circulation disorders and increasingly frequent utmost phenomena in Central Europe.
Although the summertime solstice gives emergence to astronomical summer, the warmest period year usually falls only for the second half of July and AugustWhen the air masses are warm adequate and the temperature at night does not fall so rapidly.
Continued here:
Longest day of the year. erstwhile does astronomical summertime begin?
