Weston Threshold Days by Year (USC00109698)

15 fixed thresholds counted per year at Weston (USC00109698): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Weston Thresholds

Weston: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1909 with 20.
Weston: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1912 with 216.
Weston: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1903 with 67.
Weston: days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 2007 with 77.
15 fixed thresholds have at least one qualifying day at Weston.

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at Weston with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 2007.

Days at or above 30 C (86 F) per year at Weston
Year	Days	Decade average
1900	47	56.8
1901	61	56.8
1903	64	56.8
1905	69	56.8
1906	48	56.8
1909	52	56.8
1910	57	43.8
1911	40	43.8
1912	24	43.8
1913	49	43.8
1914	49	43.8
2007	77	70.5
2008	64	70.5

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

First to last qualifying date each year at Weston
Year	First date	Last date
1900	1900-06-20	1900-09-08
1901	1901-05-26	1901-09-20
1903	1903-05-13	1903-09-05
1905	1905-06-07	1905-09-23
1906	1906-06-11	1906-09-06
1909	1909-06-03	1909-09-25
1910	1910-05-30	1910-10-10
1911	1911-06-11	1911-09-02
1912	1912-06-06	1912-08-26
1913	1913-05-26	1913-09-12
1914	1914-05-30	1914-09-18
2007	2007-05-13	2007-09-14
2008	2008-06-17	2008-09-30

Every Fixed Threshold

Fixed thresholds at Weston
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	77	2007	64
35 C (95 F): Days	11	21	1901	5
40 C (104 F): Days	1	1	1901	1
90 F (32.2 C): Days	13	58	2007	41
100 F (37.8 C): Days	3	7	1901	1
0 C (32 F): Ice days (max	13	54	2007	52
0 C (32 F): Frost days (min	14	216	1912	191
-10 C (14 F): Days with min	14	67	1903	63
-20 C (-4 F): Days with min	13	23	1903	6
-30 C (-22 F): Days with min	1	2	1903	2
20 C (68 F): Tropical nights (min	3	2	1914	2
10 mm (0.39 in): Days with 10 mm or more rain	17	20	1909	9
25 mm (0.98 in): Days with 25 mm or more rain	10	3	1906	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	5	2008	7
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1909	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Weston 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).

Weston Threshold Days by Year (USC00109698)

Key Facts for Weston Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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