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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Haparanda Threshold Days by Year

12 fixed thresholds counted per year at Haparanda (SW000002196): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haparanda Thresholds

  • Haparanda: days with 10 mm (0.39 in) or more of precipitation in 160 years, most in 1935 with 32.
  • Haparanda: nights with a minimum temperature at or below 0 C (32 F) in 131 years, most in 1888 with 242.
  • Haparanda: nights with a minimum temperature at or below -10 C (14 F) in 131 years, most in 1888 with 153.
  • Haparanda: nights with a minimum temperature at or below -20 C (-4 F) in 131 years, most in 1985 with 73.
  • 12 fixed thresholds have at least one qualifying day at Haparanda.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Haparanda Days per year at Haparanda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1972. 024681887: 11896: 31897: 11905: 11906: 21910: 11913: 31914: 41915: 11916: 31919: 11924: 11925: 21927: 51930: 11931: 11937: 11939: 21941: 21943: 11945: 11958: 11961: 21966: 11970: 11972: 71988: 22011: 11887190519131916192519311941195819702011
Days per year at Haparanda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1972.
Days at or above 30 C (86 F) per year at Haparanda
YearDaysDecade average
188711
189632
189712
190511.5
190621.5
191012.2
191332.2
191442.2
191512.2
191632.2
191912.2
192412.7
192522.7
192752.7
193011.3
193111.3
193711.3
193921.3
194121.3
194311.3
194511.3
195811
196121.5
196611.5
197014
197274
198822
201111
First to last qualifying date each year at Haparanda For each year, a bar from the first to the last day at Haparanda meeting 30 C (86 F). 1887: 18 July 1887 to 18 July 18871896: 2 July 1896 to 13 July 18961897: 14 July 1897 to 14 July 18971905: 23 July 1905 to 23 July 19051906: 25 July 1906 to 29 July 19061910: 8 July 1910 to 8 July 19101913: 13 July 1913 to 22 July 19131914: 24 June 1914 to 13 July 19141915: 27 July 1915 to 27 July 19151916: 6 July 1916 to 8 July 19161919: 12 July 1919 to 12 July 19191924: 20 July 1924 to 20 July 19241925: 4 July 1925 to 9 July 19251927: 7 July 1927 to 11 July 19271930: 8 July 1930 to 8 July 19301931: 7 July 1931 to 7 July 19311937: 5 July 1937 to 5 July 19371939: 18 June 1939 to 19 June 19391941: 22 July 1941 to 23 July 19411943: 19 July 1943 to 19 July 19431945: 18 July 1945 to 18 July 19451958: 1 July 1958 to 1 July 19581961: 14 July 1961 to 16 July 19611966: 26 July 1966 to 26 July 19661970: 20 July 1970 to 20 July 19701972: 28 June 1972 to 6 July 19721988: 19 July 1988 to 20 July 19882011: 10 June 2011 to 10 June 20111887190619151925193719451970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haparanda meeting 30 C (86 F).
First to last qualifying date each year at Haparanda
YearFirst dateLast date
18871887-07-181887-07-18
18961896-07-021896-07-13
18971897-07-141897-07-14
19051905-07-231905-07-23
19061906-07-251906-07-29
19101910-07-081910-07-08
19131913-07-131913-07-22
19141914-06-241914-07-13
19151915-07-271915-07-27
19161916-07-061916-07-08
19191919-07-121919-07-12
19241924-07-201924-07-20
19251925-07-041925-07-09
19271927-07-071927-07-11
19301930-07-081930-07-08
19311931-07-071931-07-07
19371937-07-051937-07-05
19391939-06-181939-06-19
19411941-07-221941-07-23
19431943-07-191943-07-19
19451945-07-181945-07-18
19581958-07-011958-07-01
19611961-07-141961-07-16
19661966-07-261966-07-26
19701970-07-201970-07-20
19721972-06-281972-07-06
19881988-07-191988-07-20
20112011-06-102011-06-10

Every Fixed Threshold

Fixed thresholds at Haparanda
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days28719721
90 F (32.2 C): Days2218961
0 C (32 F): Ice days (max1301581919110
0 C (32 F): Frost days (min1312421888193
-10 C (14 F): Days with min131153188885
-20 C (-4 F): Days with min13173198526
-30 C (-22 F): Days with min972618936
-40 C (-40 F): Days with min5219992
20 C (68 F): Tropical nights (min7219882
10 mm (0.39 in): Days with 10 mm or more rain16032193514
25 mm (0.98 in): Days with 25 mm or more rain90519822
50 mm (1.97 in): Days with 50 mm or more rain4119121

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1887.

Download the Data

  • Data for Haparanda 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

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