| LOCAL WEATHER ______________________________________________________________________ |
Because of the city's low elevation and southerly location, St.
George is the hottest part of the state and has a mid-latitude
arid climate, with maximum daily July temperatures averaging
about 102 °F (39 °C). The hottest temperature ever recorded
in Utah, 117 °F (47 °C), was recorded in St. George on July
5, 1985 (this was the state record until July 4, 2007, when
118 °F (48 °C) was recorded south of the city near the
Arizona border). The record high minimum temperature
(a.k.a. the record warm low temperature) is 89 °F (32 °C), set
on July 15, 1970. In winter, temperatures frequently drop
below freezing overnight (due to radiational cooling resulting
from low humidity), but temperatures warm into the 50s°F
(low 10s°C) during the day. Both the record low temperature
of -11 °F (-24 °C) and record low maximum (a.k.a. cold high)
temperature of 17 °F (-8 °C) were set on January 22, 1937.
George is the hottest part of the state and has a mid-latitude
arid climate, with maximum daily July temperatures averaging
about 102 °F (39 °C). The hottest temperature ever recorded
in Utah, 117 °F (47 °C), was recorded in St. George on July
5, 1985 (this was the state record until July 4, 2007, when
118 °F (48 °C) was recorded south of the city near the
Arizona border). The record high minimum temperature
(a.k.a. the record warm low temperature) is 89 °F (32 °C), set
on July 15, 1970. In winter, temperatures frequently drop
below freezing overnight (due to radiational cooling resulting
from low humidity), but temperatures warm into the 50s°F
(low 10s°C) during the day. Both the record low temperature
of -11 °F (-24 °C) and record low maximum (a.k.a. cold high)
temperature of 17 °F (-8 °C) were set on January 22, 1937.
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St. George lies in a desert and averages 8.25 inches (210 mm) of precipitation annually.
Precipitation is fairly evenly distributed throughout the year, except for a dry period from late
April through June (after the Pacific storm season but before the monsoon). Precipitation
mostly comes from the Pacific Ocean from late fall through winter and early spring. The storm
track usually lifts north of the city by mid-April. The summer monsoon from the Gulf of California
can bring localized but often intense thunderstorms from mid-July through mid-September. One
such storm dropped the record single day precipitation in the city, with 2.39 in (61 mm) on
August 31, 1909. Snow is rare, averaging 3.2 inches (8.1 cm) annually. It has been recorded
as early as October 29 (in 1971) and as late as April 11 (in 1927). The record single day
snowfall is 10.0 in (25.4 cm), set on January 5, 1974.
Average high and low temperatures are set out below.
Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.
High 54 60 65 74 85 95 102 99 92 80 65 55
Low 25 31 36 45 54 63 71 69 62 51 31 27
Precipitation is fairly evenly distributed throughout the year, except for a dry period from late
April through June (after the Pacific storm season but before the monsoon). Precipitation
mostly comes from the Pacific Ocean from late fall through winter and early spring. The storm
track usually lifts north of the city by mid-April. The summer monsoon from the Gulf of California
can bring localized but often intense thunderstorms from mid-July through mid-September. One
such storm dropped the record single day precipitation in the city, with 2.39 in (61 mm) on
August 31, 1909. Snow is rare, averaging 3.2 inches (8.1 cm) annually. It has been recorded
as early as October 29 (in 1971) and as late as April 11 (in 1927). The record single day
snowfall is 10.0 in (25.4 cm), set on January 5, 1974.
Average high and low temperatures are set out below.
Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.
High 54 60 65 74 85 95 102 99 92 80 65 55
Low 25 31 36 45 54 63 71 69 62 51 31 27
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