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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Juan Santamaria Intl Threshold Days by Year (CSM00078762)

6 fixed thresholds counted per year at Juan Santamaria Intl (CSM00078762): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Juan Santamaria Intl Thresholds

  • Juan Santamaria Intl: nights with a minimum temperature at or above 20 C (68 F) in 6 years, most in 2019 with 49.
  • Juan Santamaria Intl: days with a maximum temperature at or above 30 C (86 F) in 4 years, most in 2019 with 128.
  • Juan Santamaria Intl: days with a maximum temperature at or above 90 F (32.2 C) in 4 years, most in 2019 with 15.
  • 6 fixed thresholds have at least one qualifying day at Juan Santamaria Intl.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Juan Santamaria Intl Days per year at Juan Santamaria Intl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 2019. 0501001502018: 842019: 1282020: 1092025: 1032018201920202025
Days per year at Juan Santamaria Intl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 2019.
Days at or above 30 C (86 F) per year at Juan Santamaria Intl
YearDaysDecade average
201884106
2019128106
2020109106
2025103106
First to last qualifying date each year at Juan Santamaria Intl For each year, a bar from the first to the last day at Juan Santamaria Intl meeting 30 C (86 F). 2018: 23 January 2018 to 23 November 20182019: 2 January 2019 to 31 December 20192020: 5 January 2020 to 25 December 20202025: 8 January 2025 to 21 August 20252018201920202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Juan Santamaria Intl meeting 30 C (86 F).
First to last qualifying date each year at Juan Santamaria Intl
YearFirst dateLast date
20182018-01-232018-11-23
20192019-01-022019-12-31
20202020-01-052020-12-25
20252025-01-082025-08-21

Every Fixed Threshold

Fixed thresholds at Juan Santamaria Intl
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days41282019103
90 F (32.2 C): Days41520194
20 C (68 F): Tropical nights (min649201946
10 mm (0.39 in): Days with 10 mm or more rain10n/a27
25 mm (0.98 in): Days with 25 mm or more rain10n/a15
50 mm (1.97 in): Days with 50 mm or more rain10n/a3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2018.

Download the Data

  • Data for Juan Santamaria Intl 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 (2025-12-31).