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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Klamath Falls Intl AP Threshold Days by Year (USW00094236)

14 fixed thresholds counted per year at Klamath Falls Intl AP (USW00094236): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Klamath Falls Intl AP Thresholds

  • Klamath Falls Intl AP: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 2021 with 71.
  • Klamath Falls Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 2021 with 53.
  • Klamath Falls Intl AP: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1962 with 31.
  • Klamath Falls Intl AP: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 2013 with 209.
  • 14 fixed thresholds have at least one qualifying day at Klamath Falls Intl AP.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Klamath Falls Intl AP Days per year at Klamath Falls Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 2021. 0204060801960: 331961: 381962: 191963: 191964: 191965: 161966: 191967: 451968: 291969: 281998: 471999: 432000: 232001: 372002: 342003: 432004: 322005: 292006: 382007: 322008: 322009: 462010: 432011: 312012: 432013: 532014: 482015: 522016: 432017: 682018: 472019: 492020: 642021: 712022: 672023: 512024: 632025: 452026: 521960196419682000200420082012201620202024
Days per year at Klamath Falls Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 2021.
Days at or above 30 C (86 F) per year at Klamath Falls Intl AP
YearDaysDecade average
19603326.5
19613826.5
19621926.5
19631926.5
19641926.5
19651626.5
19661926.5
19674526.5
19682926.5
19692826.5
19984745
19994345
20002334.6
20013734.6
20023434.6
20034334.6
20043234.6
20052934.6
20063834.6
20073234.6
20083234.6
20094634.6
20104347.7
20113147.7
20124347.7
20135347.7
20144847.7
20155247.7
20164347.7
20176847.7
20184747.7
20194947.7
20206459
20217159
20226759
20235159
20246359
20254559
20265259
First to last qualifying date each year at Klamath Falls Intl AP For each year, a bar from the first to the last day at Klamath Falls Intl AP meeting 30 C (86 F). 1960: 2 June 1960 to 19 August 19601961: 14 June 1961 to 23 August 19611962: 22 June 1962 to 6 September 19621963: 20 May 1963 to 28 September 19631964: 23 June 1964 to 24 August 19641965: 5 July 1965 to 8 August 19651966: 15 June 1966 to 5 September 19661967: 29 June 1967 to 28 September 19671968: 16 June 1968 to 31 August 19681969: 3 June 1969 to 1 September 19691998: 7 July 1998 to 16 September 19981999: 23 May 1999 to 22 September 19992000: 14 June 2000 to 28 August 20002001: 11 May 2001 to 30 August 20012002: 13 June 2002 to 13 September 20022003: 5 June 2003 to 28 September 20032004: 22 June 2004 to 31 August 20042005: 30 June 2005 to 28 August 20052006: 16 May 2006 to 12 September 20062007: 30 May 2007 to 11 September 20072008: 16 May 2008 to 16 September 20082009: 17 May 2009 to 27 September 20092010: 27 June 2010 to 1 October 20102011: 21 June 2011 to 23 September 20112012: 21 June 2012 to 20 September 20122013: 5 June 2013 to 14 September 20132014: 30 June 2014 to 20 September 20142015: 7 June 2015 to 20 September 20152016: 3 June 2016 to 27 September 20162017: 23 May 2017 to 11 September 20172018: 3 June 2018 to 27 September 20182019: 10 June 2019 to 14 September 20192020: 28 May 2020 to 2 October 20202021: 31 May 2021 to 9 September 20212022: 22 June 2022 to 26 September 20222023: 19 May 2023 to 17 September 20232024: 5 June 2024 to 1 October 20242025: 28 May 2025 to 5 September 20252026: 14 June 2026 to 8 October 202619601965199820032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Klamath Falls Intl AP meeting 30 C (86 F).
First to last qualifying date each year at Klamath Falls Intl AP
YearFirst dateLast date
19601960-06-021960-08-19
19611961-06-141961-08-23
19621962-06-221962-09-06
19631963-05-201963-09-28
19641964-06-231964-08-24
19651965-07-051965-08-08
19661966-06-151966-09-05
19671967-06-291967-09-28
19681968-06-161968-08-31
19691969-06-031969-09-01
19981998-07-071998-09-16
19991999-05-231999-09-22
20002000-06-142000-08-28
20012001-05-112001-08-30
20022002-06-132002-09-13
20032003-06-052003-09-28
20042004-06-222004-08-31
20052005-06-302005-08-28
20062006-05-162006-09-12
20072007-05-302007-09-11
20082008-05-162008-09-16
20092009-05-172009-09-27
20102010-06-272010-10-01
20112011-06-212011-09-23
20122012-06-212012-09-20
20132013-06-052013-09-14
20142014-06-302014-09-20
20152015-06-072015-09-20
20162016-06-032016-09-27
20172017-05-232017-09-11
20182018-06-032018-09-27
20192019-06-102019-09-14
20202020-05-282020-10-02
20212021-05-312021-09-09
20222022-06-222022-09-26
20232023-05-192023-09-17
20242024-06-052024-10-01
20252025-05-282025-09-05
20262026-06-142026-10-08

Every Fixed Threshold

Fixed thresholds at Klamath Falls Intl AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3971202152
35 C (95 F): Days282120214
90 F (32.2 C): Days3953202116
100 F (37.8 C): Days9520223
0 C (32 F): Ice days (max393119621
0 C (32 F): Frost days (min392092013121
-10 C (14 F): Days with min394120135
-20 C (-4 F): Days with min11519623
-30 C (-22 F): Days with min1119621
10 mm (0.39 in): Days with 10 mm or more rain381420143
25 mm (0.98 in): Days with 25 mm or more rain15419621
50 mm (1.97 in): Days with 50 mm or more rain1119641
10 cm (3.9 in): Days with 10 cm or more snowfall10519671
25 cm (9.8 in): Days with 25 cm or more snowfall1119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Klamath Falls Intl 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).