Saint George Threshold Days by Year (USC00387542)

14 fixed thresholds counted per year at Saint George (USC00387542): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Saint George Thresholds

Saint George: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1901 with 57.
Saint George: nights with a minimum temperature at or above 20 C (68 F) in 19 years, most in 1908 with 136.
Saint George: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1912 with 51.
Saint George: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1908 with 16.
14 fixed thresholds have at least one qualifying day at Saint George.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at Saint George with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 151 in 1925.

Days at or above 30 C (86 F) per year at Saint George
Year	Days	Decade average
1899	111	111
1900	116	100.5
1901	95	100.5
1902	100	100.5
1903	90	100.5
1905	106	100.5
1908	96	100.5
1910	121	116.7
1912	106	116.7
1915	141	116.7
1916	128	116.7
1917	117	116.7
1918	87	116.7
1923	105	119
1924	101	119
1925	151	119

For each year, a bar from the first to the last day at Saint George meeting 30 C (86 F).

First to last qualifying date each year at Saint George
Year	First date	Last date
1899	1899-05-03	1899-10-20
1900	1900-04-09	1900-10-29
1901	1901-05-02	1901-09-16
1902	1902-04-25	1902-10-21
1903	1903-05-21	1903-10-04
1905	1905-04-29	1905-10-21
1908	1908-04-10	1908-09-29
1910	1910-04-02	1910-10-22
1912	1912-03-21	1912-10-14
1915	1915-04-20	1915-10-20
1916	1916-04-14	1916-10-21
1917	1917-03-01	1917-10-29
1918	1918-03-02	1918-10-30
1923	1923-04-23	1923-10-03
1924	1924-03-30	1924-09-29
1925	1925-04-14	1925-10-19

Every Fixed Threshold

Fixed thresholds at Saint George
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	151	1925	151
35 C (95 F): Days	15	51	1925	51
40 C (104 F): Days	1	1	1925	1
90 F (32.2 C): Days	16	116	1925	116
100 F (37.8 C): Days	9	10	1925	10
0 C (32 F): Ice days (max	8	4	1899	1
0 C (32 F): Frost days (min	19	57	1901	32
-10 C (14 F): Days with min	7	3	1899	2
20 C (68 F): Tropical nights (min	19	136	1908	101
25 C (77 F): Days with min	12	11	1908	2
10 mm (0.39 in): Days with 10 mm or more rain	18	51	1912	32
25 mm (0.98 in): Days with 25 mm or more rain	18	16	1908	10
50 mm (1.97 in): Days with 50 mm or more rain	16	5	1899	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1915	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Saint George threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Saint George Threshold Days by Year (USC00387542)

Key Facts for Saint George Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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