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

Surabaya/Gedangan Threshold Days by Year (IDM00096937)

6 fixed thresholds counted per year at Surabaya/Gedangan (IDM00096937): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Surabaya/Gedangan Thresholds

  • Surabaya/Gedangan: days with a maximum temperature at or above 30 C (86 F) in 6 years, most in 2011 with 353.
  • Surabaya/Gedangan: days with a maximum temperature at or above 35 C (95 F) in 6 years, most in 2009 with 96.
  • Surabaya/Gedangan: days with a maximum temperature at or above 90 F (32.2 C) in 6 years, most in 2012 with 322.
  • Surabaya/Gedangan: days with a maximum temperature at or above 100 F (37.8 C) in 2 years, most in 2009 with 1.
  • 6 fixed thresholds have at least one qualifying day at Surabaya/Gedangan.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Surabaya/Gedangan Days per year at Surabaya/Gedangan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 353 in 2011. 01002003004002008: 3392009: 3392010: 3382011: 3532012: 3462025: 26200820092010201120122025
Days per year at Surabaya/Gedangan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 353 in 2011.
Days at or above 30 C (86 F) per year at Surabaya/Gedangan
YearDaysDecade average
2008339339
2009339339
2010338345.7
2011353345.7
2012346345.7
20252626
First to last qualifying date each year at Surabaya/Gedangan For each year, a bar from the first to the last day at Surabaya/Gedangan meeting 30 C (86 F). 2008: 1 January 2008 to 30 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 2 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122025: 1 January 2025 to 6 March 2025200820092010201120122025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Surabaya/Gedangan meeting 30 C (86 F).
First to last qualifying date each year at Surabaya/Gedangan
YearFirst dateLast date
20082008-01-012008-12-30
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-022011-12-31
20122012-01-012012-12-31
20252025-01-012025-03-06

Every Fixed Threshold

Fixed thresholds at Surabaya/Gedangan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6353201126
35 C (95 F): Days69620091
90 F (32.2 C): Days6322201219
100 F (37.8 C): Days2120091
20 C (68 F): Tropical nights (min10n/a22
25 C (77 F): Days with min10n/a18

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for Surabaya/Gedangan 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).