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Data as of 2025-12-31
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Built 2026-10-14 (14 October 2026)

Colombo Threshold Days by Year

10 fixed thresholds counted per year at Colombo (CEM00043466): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Colombo Thresholds

  • Colombo: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 2012 with 328.
  • Colombo: days with a maximum temperature at or above 90 F (32.2 C) in 12 years, most in 2016 with 109.
  • Colombo: days with Days with 10 mm or more rain (0.39 in) or more of precipitation in 12 years, most in 2023 with 87.
  • Colombo: days with Days with 25 mm or more rain (0.98 in) or more of precipitation in 12 years, most in 2023 with 48.
  • 10 fixed thresholds have at least one qualifying day at Colombo.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Colombo Days per year at Colombo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 328 in 2012. 01002003004001958: 2662010: 2432011: 2922012: 3282013: 2922014: 3052015: 3282016: 3132020: 3052021: 2842023: 3072025: 229195820112013201520202023
Days per year at Colombo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 328 in 2012.
Days at or above 30 C (86 F) per year at Colombo
YearDaysDecade average
1958266266
2010243300.1
2011292300.1
2012328300.1
2013292300.1
2014305300.1
2015328300.1
2016313300.1
2020305281.3
2021284281.3
2023307281.3
2025229281.3
First to last qualifying date each year at Colombo For each year, a bar from the first to the last day at Colombo meeting 30 C (86 F). 1958: 1 January 1958 to 31 December 19582010: 1 January 2010 to 31 December 20102011: 2 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 31 December 20132014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162020: 1 January 2020 to 31 December 20202021: 2 January 2021 to 31 December 20212023: 1 January 2023 to 30 December 20232025: 3 January 2025 to 30 December 2025195820112013201520202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Colombo meeting 30 C (86 F).
First to last qualifying date each year at Colombo
YearFirst dateLast date
19581958-01-011958-12-31
20102010-01-012010-12-31
20112011-01-022011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-31
20202020-01-012020-12-31
20212021-01-022021-12-31
20232023-01-012023-12-30
20252025-01-032025-12-30

Every Fixed Threshold

Fixed thresholds at Colombo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days123282012229
35 C (95 F): Days6320163
90 F (32.2 C): Days12109201613
Tropical nights (min at or above 20 C) (68 F): Tropical nights (min23532025353
25 C (77 F): Days with min22362025236
Days with 10 mm or more rain (0.39 in): Days with 10 mm or more rain1287202387
Days with 25 mm or more rain (0.98 in): Days with 25 mm or more rain1248202348
Days with 50 mm or more rain (1.97 in): Days with 50 mm or more rain1219201013
Days with 100 mm or more rain (3.94 in): Days with 100 mm or more rain10720101
Days with 200 mm or more rain (7.87 in): Days with 200 mm or more rain2120101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Colombo 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 2026-10-12 (12 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).