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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Antsiranana Threshold Days by Year

8 fixed thresholds counted per year at Antsiranana (MA000067009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Antsiranana Thresholds

  • Antsiranana: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 2014 with 321.
  • Antsiranana: days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 2023 with 142.
  • Antsiranana: days with a maximum temperature at or above 35 C (95 F) in 12 years, most in 2023 with 17.
  • Antsiranana: nights with a minimum temperature at or above 20 C (68 F) in 12 years, most in 2011 with 302.
  • 8 fixed thresholds have at least one qualifying day at Antsiranana.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Antsiranana Days per year at Antsiranana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 2014. 01002003004001994: 2511995: 2671996: 2232002: 2402003: 2822004: 2502010: 2912011: 3112012: 2522013: 3142014: 3212015: 3092018: 2852019: 3212021: 3132022: 2402023: 3202025: 150199419962003201020122014201820212023
Days per year at Antsiranana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 2014.
Days at or above 30 C (86 F) per year at Antsiranana
YearDaysDecade average
1994251247
1995267247
1996223247
2002240257.3
2003282257.3
2004250257.3
2010291300.5
2011311300.5
2012252300.5
2013314300.5
2014321300.5
2015309300.5
2018285300.5
2019321300.5
2021313255.8
2022240255.8
2023320255.8
2025150255.8
First to last qualifying date each year at Antsiranana For each year, a bar from the first to the last day at Antsiranana meeting 30 C (86 F). 1994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19962002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042010: 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 30 December 20152018: 3 January 2018 to 31 December 20182019: 1 January 2019 to 30 December 20192021: 1 January 2021 to 30 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232025: 1 January 2025 to 23 August 2025199420022010201320182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Antsiranana meeting 30 C (86 F).
First to last qualifying date each year at Antsiranana
YearFirst dateLast date
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-011996-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
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
20152015-01-012015-12-30
20182018-01-032018-12-31
20192019-01-012019-12-30
20212021-01-012021-12-30
20222022-01-012022-12-31
20232023-01-012023-12-31
20252025-01-012025-08-23

Every Fixed Threshold

Fixed thresholds at Antsiranana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days183212014150
35 C (95 F): Days121720231
90 F (32.2 C): Days18142202355
20 C (68 F): Tropical nights (min123022011172
25 C (77 F): Days with min111220111
10 mm (0.39 in): Days with 10 mm or more rain10n/a9
25 mm (0.98 in): Days with 25 mm or more rain10n/a6
50 mm (1.97 in): Days with 50 mm or more rain10n/a2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Antsiranana 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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