Built 2026-10-19 (19 October 2026)

Mikkeli Lentoasema Threshold Days by Year (FIE00143952)

11 fixed thresholds counted per year at Mikkeli Lentoasema (FIE00143952): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mikkeli Lentoasema Thresholds

  • Mikkeli Lentoasema: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1968 with 121.
  • Mikkeli Lentoasema: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1960 with 208.
  • Mikkeli Lentoasema: nights with a minimum temperature at or below -10 C (14 F) in 67 years, most in 1963 with 97.
  • Mikkeli Lentoasema: nights with a minimum temperature at or below -20 C (-4 F) in 65 years, most in 1966 with 49.
  • 11 fixed thresholds have at least one qualifying day at Mikkeli Lentoasema.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Mikkeli Lentoasema Days per year at Mikkeli Lentoasema with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 2010. 0358101963: 11972: 11988: 31994: 51999: 12003: 12010: 92011: 42013: 22014: 72015: 12018: 62019: 22020: 22021: 92022: 32023: 12024: 12025: 81963198819992010201320152019202120232025
Days per year at Mikkeli Lentoasema with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 2010.
Days at or above 30 C (86 F) per year at Mikkeli Lentoasema
YearDaysDecade average
196311
197211
198833
199453
199913
200311
201094.4
201144.4
201324.4
201474.4
201514.4
201864.4
201924.4
202024
202194
202234
202314
202414
202584
First to last qualifying date each year at Mikkeli Lentoasema For each year, a bar from the first to the last day at Mikkeli Lentoasema meeting 30 C (86 F). 1963: 2 August 1963 to 2 August 19631972: 8 July 1972 to 8 July 19721988: 27 June 1988 to 18 July 19881994: 13 July 1994 to 30 July 19941999: 26 June 1999 to 26 June 19992003: 14 July 2003 to 14 July 20032010: 12 July 2010 to 8 August 20102011: 10 June 2011 to 21 July 20112013: 26 June 2013 to 27 June 20132014: 19 May 2014 to 31 July 20142015: 3 July 2015 to 3 July 20152018: 16 July 2018 to 10 August 20182019: 6 June 2019 to 27 July 20192020: 24 June 2020 to 25 June 20202021: 20 June 2021 to 27 July 20212022: 27 June 2022 to 19 August 20222023: 7 August 2023 to 7 August 20232024: 28 June 2024 to 28 June 20242025: 13 July 2025 to 31 July 20251963199420102014201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mikkeli Lentoasema meeting 30 C (86 F).
First to last qualifying date each year at Mikkeli Lentoasema
YearFirst dateLast date
19631963-08-021963-08-02
19721972-07-081972-07-08
19881988-06-271988-07-18
19941994-07-131994-07-30
19991999-06-261999-06-26
20032003-07-142003-07-14
20102010-07-122010-08-08
20112011-06-102011-07-21
20132013-06-262013-06-27
20142014-05-192014-07-31
20152015-07-032015-07-03
20182018-07-162018-08-10
20192019-06-062019-07-27
20202020-06-242020-06-25
20212021-06-202021-07-27
20222022-06-272022-08-19
20232023-08-072023-08-07
20242024-06-282024-06-28
20252025-07-132025-07-31

Every Fixed Threshold

Fixed thresholds at Mikkeli Lentoasema
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days19920108
90 F (32.2 C): Days2320101
0 C (32 F): Ice days (max67121196852
0 C (32 F): Frost days (min672081960145
-10 C (14 F): Days with min6797196332
-20 C (-4 F): Days with min654919663
-30 C (-22 F): Days with min361419666
20 C (68 F): Tropical nights (min3119721
10 mm (0.39 in): Days with 10 mm or more rain5323202311
25 mm (0.98 in): Days with 25 mm or more rain34419611
50 mm (1.97 in): Days with 50 mm or more rain3119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Mikkeli Lentoasema 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).