Monterey Threshold Days by Year (USC00406170)

16 fixed thresholds counted per year at Monterey (USC00406170): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monterey Thresholds

Monterey: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 2019 with 70.
Monterey: days with 25 mm (0.98 in) or more of precipitation in 89 years, most in 1979 with 31.
Monterey: days with 50 mm (1.97 in) or more of precipitation in 88 years, most in 1998 with 9.
Monterey: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1954 with 78.
16 fixed thresholds have at least one qualifying day at Monterey.

Days at or above 30 C (86 F)

38 years with a qualifying day

Days per year at Monterey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1954.

Days at or above 30 C (86 F) per year at Monterey
Year	Days	Decade average
1906	25	25
1948	26	22
1949	18	22
1950	4	54.4
1951	53	54.4
1952	72	54.4
1953	65	54.4
1954	78	54.4
1996	23	31.3
1997	29	31.3
1998	36	31.3
1999	37	31.3
2000	31	31.7
2001	17	31.7
2002	58	31.7
2003	21	31.7
2004	7	31.7
2005	39	31.7
2006	45	31.7
2007	49	31.7
2008	33	31.7
2009	17	31.7
2010	72	45.4
2011	57	45.4
2012	49	45.4
2013	12	45.4
2014	21	45.4
2015	38	45.4
2016	48	45.4
2017	28	45.4
2018	56	45.4
2019	73	45.4
2020	33	41.2
2021	35	41.2
2022	48	41.2
2023	21	41.2
2024	54	41.2
2026	56	41.2

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

First to last qualifying date each year at Monterey
Year	First date	Last date
1906	1906-04-12	1906-09-14
1948	1948-06-13	1948-09-20
1949	1949-06-24	1949-08-27
1950	1950-06-17	1950-07-03
1951	1951-05-01	1951-10-06
1952	1952-06-06	1952-09-13
1953	1953-05-25	1953-10-03
1954	1954-05-31	1954-09-29
1996	1996-05-19	1996-08-21
1997	1997-06-24	1997-09-20
1998	1998-06-03	1998-09-29
1999	1999-06-11	1999-09-09
2000	2000-06-11	2000-08-31
2001	2001-06-15	2001-08-27
2002	2002-04-17	2002-09-11
2003	2003-06-26	2003-09-02
2004	2004-06-12	2004-08-20
2005	2005-06-06	2005-09-22
2006	2006-05-30	2006-08-28
2007	2007-06-08	2007-09-26
2008	2008-06-06	2008-09-09
2009	2009-06-02	2009-08-17
2010	2010-06-04	2010-09-25
2011	2011-05-26	2011-09-04
2012	2012-05-26	2012-09-08
2013	2013-06-13	2013-09-11
2014	2014-05-13	2014-09-03
2015	2015-06-08	2015-09-06
2016	2016-06-12	2016-09-26
2017	2017-04-30	2017-08-23
2018	2018-05-14	2018-10-08
2019	2019-05-23	2019-10-06
2020	2020-06-07	2020-09-14
2021	2021-05-26	2021-09-15
2022	2022-05-21	2022-09-22
2023	2023-07-04	2023-08-27
2024	2024-06-15	2024-09-25
2026	2026-05-19	2026-09-18

Every Fixed Threshold

Fixed thresholds at Monterey
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	38	78	1954	56
35 C (95 F): Days	11	9	1952	2
90 F (32.2 C): Days	32	44	1954	21
100 F (37.8 C): Days	3	3	2012	1
0 C (32 F): Ice days (max	38	39	2010	10
0 C (32 F): Frost days (min	36	103	2008	45
-10 C (14 F): Days with min	35	21	2000	10
-20 C (-4 F): Days with min	8	3	2014	1
20 C (68 F): Tropical nights (min	36	60	2010	45
25 C (77 F): Days with min	1	1	2010	1
10 mm (0.39 in): Days with 10 mm or more rain	89	70	2019	28
25 mm (0.98 in): Days with 25 mm or more rain	89	31	1979	10
50 mm (1.97 in): Days with 50 mm or more rain	88	9	1998	2
100 mm (3.94 in): Days with 100 mm or more rain	19	2	1944	2
10 cm (3.9 in): Days with 10 cm or more snowfall	37	5	1979	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	1	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Monterey 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Monterey Threshold Days by Year (USC00406170)

Key Facts for Monterey Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related