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

Ilomantsi Potsonvaara Threshold Days by Year (FIE00145042)

10 fixed thresholds counted per year at Ilomantsi Potsonvaara (FIE00145042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ilomantsi Potsonvaara Thresholds

  • Ilomantsi Potsonvaara: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 2010 with 141.
  • Ilomantsi Potsonvaara: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 2017 with 207.
  • Ilomantsi Potsonvaara: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 2010 with 107.
  • Ilomantsi Potsonvaara: nights with a minimum temperature at or below -20 C (-4 F) in 19 years, most in 2010 with 37.
  • 10 fixed thresholds have at least one qualifying day at Ilomantsi Potsonvaara.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Ilomantsi Potsonvaara Days per year at Ilomantsi Potsonvaara with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2010. 024682010: 82011: 12012: 12013: 12018: 22021: 52022: 22010201120122013201820212022
Days per year at Ilomantsi Potsonvaara with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2010.
Days at or above 30 C (86 F) per year at Ilomantsi Potsonvaara
YearDaysDecade average
201082.6
201112.6
201212.6
201312.6
201822.6
202153.5
202223.5
First to last qualifying date each year at Ilomantsi Potsonvaara For each year, a bar from the first to the last day at Ilomantsi Potsonvaara meeting 30 C (86 F). 2010: 13 July 2010 to 8 August 20102011: 21 July 2011 to 21 July 20112012: 30 July 2012 to 30 July 20122013: 26 June 2013 to 26 June 20132018: 17 July 2018 to 2 August 20182021: 19 May 2021 to 11 July 20212022: 25 June 2022 to 1 July 20222010201120122013201820212022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ilomantsi Potsonvaara meeting 30 C (86 F).
First to last qualifying date each year at Ilomantsi Potsonvaara
YearFirst dateLast date
20102010-07-132010-08-08
20112011-07-212011-07-21
20122012-07-302012-07-30
20132013-06-262013-06-26
20182018-07-172018-08-02
20212021-05-192021-07-11
20222022-06-252022-07-01

Every Fixed Threshold

Fixed thresholds at Ilomantsi Potsonvaara
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7820102
90 F (32.2 C): Days1120101
0 C (32 F): Ice days (max19141201055
0 C (32 F): Frost days (min192072017116
-10 C (14 F): Days with min19107201033
-20 C (-4 F): Days with min193720102
-30 C (-22 F): Days with min3420061
20 C (68 F): Tropical nights (min1220102
10 mm (0.39 in): Days with 10 mm or more rain142720233
25 mm (0.98 in): Days with 25 mm or more rain9520235

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2010.

Download the Data

  • Data for Ilomantsi Potsonvaara 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).