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Built 2026-10-19 (19 October 2026)

Vihti Maasoja Threshold Days by Year (FIE00142116)

11 fixed thresholds counted per year at Vihti Maasoja (FIE00142116): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vihti Maasoja Thresholds

  • Vihti Maasoja: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1976 with 213.
  • Vihti Maasoja: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1963 with 88.
  • Vihti Maasoja: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 2010 with 112.
  • Vihti Maasoja: nights with a minimum temperature at or below -20 C (-4 F) in 64 years, most in 1963 with 51.
  • 11 fixed thresholds have at least one qualifying day at Vihti Maasoja.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Vihti Maasoja Days per year at Vihti Maasoja with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2021. 0358101972: 11973: 21977: 11988: 11992: 21994: 61995: 11999: 12003: 32006: 22010: 82011: 42013: 12014: 42018: 42019: 22020: 12021: 102022: 42023: 32024: 12025: 119721988199520062013201920222025
Days per year at Vihti Maasoja with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2021.
Days at or above 30 C (86 F) per year at Vihti Maasoja
YearDaysDecade average
197211.3
197321.3
197711.3
198811
199222.5
199462.5
199512.5
199912.5
200332.5
200622.5
201083.8
201143.8
201313.8
201443.8
201843.8
201923.8
202013.3
2021103.3
202243.3
202333.3
202413.3
202513.3
First to last qualifying date each year at Vihti Maasoja For each year, a bar from the first to the last day at Vihti Maasoja meeting 30 C (86 F). 1972: 28 June 1972 to 28 June 19721973: 6 July 1973 to 7 July 19731977: 12 June 1977 to 12 June 19771988: 28 June 1988 to 28 June 19881992: 22 July 1992 to 11 August 19921994: 14 July 1994 to 30 July 19941995: 3 June 1995 to 3 June 19951999: 14 July 1999 to 14 July 19992003: 14 July 2003 to 1 August 20032006: 7 July 2006 to 8 July 20062010: 11 July 2010 to 8 August 20102011: 10 June 2011 to 22 July 20112013: 26 June 2013 to 26 June 20132014: 24 July 2014 to 28 July 20142018: 16 July 2018 to 2 August 20182019: 27 July 2019 to 28 July 20192020: 27 June 2020 to 27 June 20202021: 20 June 2021 to 27 July 20212022: 26 June 2022 to 19 August 20222023: 20 June 2023 to 7 August 20232024: 28 June 2024 to 28 June 20242025: 31 July 2025 to 31 July 202519721988199520062013201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vihti Maasoja meeting 30 C (86 F).
First to last qualifying date each year at Vihti Maasoja
YearFirst dateLast date
19721972-06-281972-06-28
19731973-07-061973-07-07
19771977-06-121977-06-12
19881988-06-281988-06-28
19921992-07-221992-08-11
19941994-07-141994-07-30
19951995-06-031995-06-03
19991999-07-141999-07-14
20032003-07-142003-08-01
20062006-07-072006-07-08
20102010-07-112010-08-08
20112011-06-102011-07-22
20132013-06-262013-06-26
20142014-07-242014-07-28
20182018-07-162018-08-02
20192019-07-272019-07-28
20202020-06-272020-06-27
20212021-06-202021-07-27
20222022-06-262022-08-19
20232023-06-202023-08-07
20242024-06-282024-06-28
20252025-07-312025-07-31

Every Fixed Threshold

Fixed thresholds at Vihti Maasoja
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days221020211
90 F (32.2 C): Days4119921
0 C (32 F): Ice days (max67112201053
0 C (32 F): Frost days (min682131976109
-10 C (14 F): Days with min6888196341
-20 C (-4 F): Days with min6451196324
-30 C (-22 F): Days with min411619664
-40 C (-40 F): Days with min4219662
20 C (68 F): Tropical nights (min2119601
10 mm (0.39 in): Days with 10 mm or more rain4724198620
25 mm (0.98 in): Days with 25 mm or more rain35520042

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Vihti Maasoja 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 (2026-10-12).