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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Peru Threshold Days by Year

4 fixed thresholds counted per year at Peru (USC00116751): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Peru Thresholds

  • Peru: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1927 with 39.
  • Peru: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1935 with 13.
  • Peru: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1941 with 4.
  • Peru: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1924 with 1.
  • 4 fixed thresholds have at least one qualifying day at Peru.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Peru Days per year at Peru with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1927. 0102030401918: 311919: 341920: 271921: 341922: 241923: 231924: 311925: 231926: 331927: 391928: 271929: 231930: 191931: 261932: 261933: 251934: 211935: 291936: 221937: 241938: 331939: 241940: 171941: 311942: 291943: 181944: 201945: 301946: 281947: 351948: 291949: 2419181922192619301934193819421946
Days per year at Peru with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1927.
Days with 10 mm (0.39 in) or more of precipitation per year at Peru
YearDaysDecade average
19183132.5
19193432.5
19202728.4
19213428.4
19222428.4
19232328.4
19243128.4
19252328.4
19263328.4
19273928.4
19282728.4
19292328.4
19301924.9
19312624.9
19322624.9
19332524.9
19342124.9
19352924.9
19362224.9
19372424.9
19383324.9
19392424.9
19401726.1
19413126.1
19422926.1
19431826.1
19442026.1
19453026.1
19462826.1
19473526.1
19482926.1
19492426.1
First to last qualifying date each year at Peru For each year, a bar from the first to the last day at Peru meeting 10 mm (0.39 in). 1918: 12 February 1918 to 24 December 19181919: 14 February 1919 to 29 November 19191920: 4 March 1920 to 22 December 19201921: 22 January 1921 to 18 December 19211922: 4 January 1922 to 31 December 19221923: 26 January 1923 to 23 December 19231924: 16 January 1924 to 5 December 19241925: 9 February 1925 to 5 December 19251926: 18 February 1926 to 18 November 19261927: 13 January 1927 to 14 December 19271928: 19 January 1928 to 17 December 19281929: 1 January 1929 to 14 November 19291930: 10 January 1930 to 30 November 19301931: 7 February 1931 to 23 November 19311932: 15 January 1932 to 24 December 19321933: 19 January 1933 to 22 October 19331934: 21 June 1934 to 30 November 19341935: 8 January 1935 to 7 December 19351936: 26 February 1936 to 31 December 19361937: 2 January 1937 to 4 December 19371938: 24 January 1938 to 8 November 19381939: 10 February 1939 to 10 November 19391940: 3 March 1940 to 29 October 19401941: 20 April 1941 to 26 December 19411942: 6 February 1942 to 27 December 19421943: 6 February 1943 to 7 November 19431944: 22 February 1944 to 11 December 19441945: 22 February 1945 to 25 December 19451946: 5 January 1946 to 29 December 19461947: 3 January 1947 to 5 December 19471948: 2 January 1948 to 29 December 19481949: 19 January 1949 to 26 December 194919181922192619301934193819421946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Peru meeting 10 mm (0.39 in).
First to last qualifying date each year at Peru
YearFirst dateLast date
19181918-02-121918-12-24
19191919-02-141919-11-29
19201920-03-041920-12-22
19211921-01-221921-12-18
19221922-01-041922-12-31
19231923-01-261923-12-23
19241924-01-161924-12-05
19251925-02-091925-12-05
19261926-02-181926-11-18
19271927-01-131927-12-14
19281928-01-191928-12-17
19291929-01-011929-11-14
19301930-01-101930-11-30
19311931-02-071931-11-23
19321932-01-151932-12-24
19331933-01-191933-10-22
19341934-06-211934-11-30
19351935-01-081935-12-07
19361936-02-261936-12-31
19371937-01-021937-12-04
19381938-01-241938-11-08
19391939-02-101939-11-10
19401940-03-031940-10-29
19411941-04-201941-12-26
19421942-02-061942-12-27
19431943-02-061943-11-07
19441944-02-221944-12-11
19451945-02-221945-12-25
19461946-01-051946-12-29
19471947-01-031947-12-05
19481948-01-021948-12-29
19491949-01-191949-12-26

Every Fixed Threshold

Fixed thresholds at Peru
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3239192724
25 mm (0.98 in): Days with 25 mm or more rain3213193511
50 mm (1.97 in): Days with 50 mm or more rain21419412
100 mm (3.94 in): Days with 100 mm or more rain3119241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

  • Data for Peru 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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