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

Ilomantsi Kk Threshold Days by Year (FIE00144972)

9 fixed thresholds counted per year at Ilomantsi Kk (FIE00144972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ilomantsi Kk Thresholds

  • Ilomantsi Kk: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1968 with 220.
  • Ilomantsi Kk: nights with a minimum temperature at or below -10 C (14 F) in 39 years, most in 1987 with 108.
  • Ilomantsi Kk: nights with a minimum temperature at or below -20 C (-4 F) in 39 years, most in 1985 with 59.
  • Ilomantsi Kk: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1974 with 21.
  • 9 fixed thresholds have at least one qualifying day at Ilomantsi Kk.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Ilomantsi Kk Days per year at Ilomantsi Kk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1999. 02461960: 11970: 21972: 41985: 11988: 41998: 11999: 51960197019721985198819981999
Days per year at Ilomantsi Kk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1999.
Days at or above 30 C (86 F) per year at Ilomantsi Kk
YearDaysDecade average
196011
197023
197243
198512.5
198842.5
199813
199953
First to last qualifying date each year at Ilomantsi Kk For each year, a bar from the first to the last day at Ilomantsi Kk meeting 30 C (86 F). 1960: 28 July 1960 to 28 July 19601970: 19 July 1970 to 20 July 19701972: 1 July 1972 to 13 July 19721985: 10 August 1985 to 10 August 19851988: 27 June 1988 to 19 July 19881998: 16 June 1998 to 16 June 19981999: 24 June 1999 to 16 July 19991960197019721985198819981999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ilomantsi Kk meeting 30 C (86 F).
First to last qualifying date each year at Ilomantsi Kk
YearFirst dateLast date
19601960-07-281960-07-28
19701970-07-191970-07-20
19721972-07-011972-07-13
19851985-08-101985-08-10
19881988-06-271988-07-19
19981998-06-161998-06-16
19991999-06-241999-07-16

Every Fixed Threshold

Fixed thresholds at Ilomantsi Kk
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7519995
0 C (32 F): Ice days (max381451980111
0 C (32 F): Frost days (min392201968187
-10 C (14 F): Days with min39108198764
-20 C (-4 F): Days with min3959198525
-30 C (-22 F): Days with min262119667
20 C (68 F): Tropical nights (min1119721
10 mm (0.39 in): Days with 10 mm or more rain3921197414
25 mm (0.98 in): Days with 25 mm or more rain25519614

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Ilomantsi Kk 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).