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Built 2026-10-19 (19 October 2026)

Monterey Peninsul AP Threshold Days by Year (USW00023259)

9 fixed thresholds counted per year at Monterey Peninsul AP (USW00023259): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monterey Peninsul AP Thresholds

  • Monterey Peninsul AP: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 2019 with 25.
  • Monterey Peninsul AP: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 2022 with 6.
  • Monterey Peninsul AP: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2017 with 10.
  • Monterey Peninsul AP: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 2017 with 6.
  • 9 fixed thresholds have at least one qualifying day at Monterey Peninsul AP.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Monterey Peninsul AP Days per year at Monterey Peninsul AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2017. 0358101970: 61971: 31974: 11975: 11976: 41999: 12000: 12001: 22002: 12003: 52004: 52006: 12007: 22008: 52009: 32010: 12011: 32012: 32013: 22014: 52015: 52016: 32017: 102019: 92021: 32022: 52023: 32024: 52025: 22026: 41970197520002003200720102013201620212024
Days per year at Monterey Peninsul AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2017.
Days at or above 30 C (86 F) per year at Monterey Peninsul AP
YearDaysDecade average
197063
197133
197413
197513
197643
199911
200012.8
200122.8
200212.8
200352.8
200452.8
200612.8
200722.8
200852.8
200932.8
201014.6
201134.6
201234.6
201324.6
201454.6
201554.6
201634.6
2017104.6
201994.6
202133.7
202253.7
202333.7
202453.7
202523.7
202643.7
First to last qualifying date each year at Monterey Peninsul AP For each year, a bar from the first to the last day at Monterey Peninsul AP meeting 30 C (86 F). 1970: 15 May 1970 to 28 September 19701971: 18 July 1971 to 15 September 19711974: 17 October 1974 to 17 October 19741975: 24 September 1975 to 24 September 19751976: 24 June 1976 to 6 October 19761999: 10 October 1999 to 10 October 19992000: 19 September 2000 to 19 September 20002001: 30 September 2001 to 14 October 20012002: 9 August 2002 to 9 August 20022003: 26 June 2003 to 27 October 20032004: 27 April 2004 to 12 October 20042006: 22 July 2006 to 22 July 20062007: 26 September 2007 to 23 October 20072008: 20 June 2008 to 15 November 20082009: 19 April 2009 to 18 September 20092010: 24 August 2010 to 24 August 20102011: 28 September 2011 to 23 October 20112012: 1 October 2012 to 5 November 20122013: 2 May 2013 to 5 October 20132014: 30 April 2014 to 4 October 20142015: 14 March 2015 to 13 October 20152016: 7 September 2016 to 26 September 20162017: 1 September 2017 to 24 October 20172019: 9 June 2019 to 25 October 20192021: 21 September 2021 to 16 October 20212022: 10 June 2022 to 19 October 20222023: 4 October 2023 to 6 October 20232024: 1 October 2024 to 7 October 20242025: 27 February 2025 to 23 September 20252026: 17 March 2026 to 10 September 202619701976200220072011201520212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Monterey Peninsul AP meeting 30 C (86 F).
First to last qualifying date each year at Monterey Peninsul AP
YearFirst dateLast date
19701970-05-151970-09-28
19711971-07-181971-09-15
19741974-10-171974-10-17
19751975-09-241975-09-24
19761976-06-241976-10-06
19991999-10-101999-10-10
20002000-09-192000-09-19
20012001-09-302001-10-14
20022002-08-092002-08-09
20032003-06-262003-10-27
20042004-04-272004-10-12
20062006-07-222006-07-22
20072007-09-262007-10-23
20082008-06-202008-11-15
20092009-04-192009-09-18
20102010-08-242010-08-24
20112011-09-282011-10-23
20122012-10-012012-11-05
20132013-05-022013-10-05
20142014-04-302014-10-04
20152015-03-142015-10-13
20162016-09-072016-09-26
20172017-09-012017-10-24
20192019-06-092019-10-25
20212021-09-212021-10-16
20222022-06-102022-10-19
20232023-10-042023-10-06
20242024-10-012024-10-07
20252025-02-272025-09-23
20262026-03-172026-09-10

Every Fixed Threshold

Fixed thresholds at Monterey Peninsul AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days301020174
35 C (95 F): Days3320173
90 F (32.2 C): Days19620171
100 F (37.8 C): Days1120171
0 C (32 F): Frost days (min16720131
20 C (68 F): Tropical nights (min2120171
10 mm (0.39 in): Days with 10 mm or more rain3525201913
25 mm (0.98 in): Days with 25 mm or more rain33620222
50 mm (1.97 in): Days with 50 mm or more rain10220142

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Monterey Peninsul AP 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 . Last revised (2026-10-17).