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According to the central observatory, which has one of the most reliable and oldest records in South America, [3] the highest temperature in Buenos Aires, 43.3 °C (109.9 °F), was recorded on 29 January 1957 while the lowest temperature recorded is −5.4 °C (22.3 °F) on 9 July 1918. [50]
Jacarandas in bloom at Plaza Miserere, Buenos Aires. Spring (September–November) is similar to autumn, with mild days and cool nights. During mid-October a large variety of wild and urban flora are in bloom. Temperatures range from 20 °C (68 °F) in the north to 14 °C (57 °F) in the center, and 8 to 14 °C (46 to 57 °F) in most of Patagonia.
The lowest temperature ever recorded in central Buenos Aires (Buenos Aires Central Observatory) was −5.4 °C (22 °F) on 9 July 1918. [53] Snow is very rare in the city: the last snowfall occurred on 9 July 2007 when, during the coldest winter in Argentina in almost 30 years, severe snowfalls and blizzards hit the country.
This definition also precisely related the Celsius scale to the Kelvin scale, which defines the SI base unit of thermodynamic temperature with symbol K. Absolute zero, the lowest temperature possible, is defined as being exactly 0 K and −273.15 °C. Until 19 May 2019, the temperature of the triple point of water was defined as exactly 273.16 ...
Highest average monthly temperature: 42.3 °C (108.1 °F), in Death Valley, California, for the month of July 2018. [ 194 ] [ 195 ] Highest temperature north of the Arctic Circle: 38.0 °C (100.4 °F) in Verkhoyansk , Russia on 20 June 2020.
This is a list of cities by average temperature (monthly and yearly). The temperatures listed are averages of the daily highs and lows. Thus, the actual daytime temperature in a given month may be considerably higher than the temperature listed here, depending on how large the difference between daily highs and lows is.
The next world record low temperature was a reading of −88.3 °C (−126.9 °F; 184.8 K), measured at the Soviet Vostok Station in 1968, on the Antarctic Plateau. Vostok again broke its own record with a reading of −89.2 °C (−128.6 °F; 184.0 K) on 21 July 1983. [8] This remains the record for a directly recorded temperature.
Temperature lag, also known as thermal inertia, is an important factor in diurnal temperature variation. Peak daily temperature generally occurs after noon, as air keeps absorbing net heat for a period of time from morning through noon and some time thereafter. Similarly, minimum daily temperature generally occurs substantially after midnight ...