Monument Valley Threshold Days by Year (USC00025665)

15 fixed thresholds counted per year at Monument Valley (USC00025665): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monument Valley Thresholds

Monument Valley: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 2006 with 100.
Monument Valley: days with a maximum temperature at or above 35 C (95 F) in 21 years, most in 2002 with 53.
Monument Valley: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 2000 with 79.
Monument Valley: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1991 with 44.
15 fixed thresholds have at least one qualifying day at Monument Valley.

Days at or above 30 C (86 F)

21 years with a qualifying day

Days per year at Monument Valley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 2006.

Days at or above 30 C (86 F) per year at Monument Valley
Year	Days	Decade average
1983	79	79.9
1984	98	79.9
1985	78	79.9
1986	67	79.9
1987	65	79.9
1988	85	79.9
1989	87	79.9
1990	82	77.4
1991	70	77.4
1992	63	77.4
1994	96	77.4
1996	95	77.4
1997	68	77.4
1998	85	77.4
1999	60	77.4
2000	98	94.3
2001	92	94.3
2002	99	94.3
2003	96	94.3
2004	81	94.3
2006	100	94.3

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

First to last qualifying date each year at Monument Valley
Year	First date	Last date
1983	1983-05-24	1983-09-19
1984	1984-05-10	1984-09-20
1985	1985-05-28	1985-09-02
1986	1986-05-20	1986-09-07
1987	1987-06-04	1987-09-03
1988	1988-05-13	1988-09-09
1989	1989-04-21	1989-09-07
1990	1990-06-03	1990-09-15
1991	1991-06-07	1991-09-04
1992	1992-04-29	1992-09-11
1994	1994-05-29	1994-09-28
1996	1996-05-12	1996-09-09
1997	1997-05-17	1997-09-08
1998	1998-06-01	1998-09-09
1999	1999-05-22	1999-10-03
2000	2000-05-04	2000-09-18
2001	2001-05-24	2001-09-28
2002	2002-05-17	2002-09-06
2003	2003-05-22	2003-10-01
2004	2004-06-01	2004-09-17
2006	2006-04-03	2006-09-20

Every Fixed Threshold

Fixed thresholds at Monument Valley
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	21	100	2006	100
35 C (95 F): Days	21	53	2002	31
40 C (104 F): Days	1	1	1983	1
90 F (32.2 C): Days	21	79	2000	66
100 F (37.8 C): Days	9	14	1998	2
0 C (32 F): Ice days (max	21	44	1991	1
0 C (32 F): Frost days (min	21	136	1991	103
-10 C (14 F): Days with min	20	46	1992	2
-20 C (-4 F): Days with min	4	4	1990	1
20 C (68 F): Tropical nights (min	21	63	1994	40
25 C (77 F): Days with min	19	14	1994	1
10 mm (0.39 in): Days with 10 mm or more rain	18	9	2002	4
25 mm (0.98 in): Days with 25 mm or more rain	8	2	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	7	1992	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

Data for Monument Valley 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).

Monument Valley Threshold Days by Year (USC00025665)

Key Facts for Monument Valley Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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