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

Lammi Vestola Threshold Days by Year

9 fixed thresholds counted per year at Lammi Vestola (FIE00142921): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lammi Vestola Thresholds

  • Lammi Vestola: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1980 with 115.
  • Lammi Vestola: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1976 with 235.
  • Lammi Vestola: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1985 with 93.
  • Lammi Vestola: nights with a minimum temperature at or below -20 C (-4 F) in 30 years, most in 1985 with 52.
  • 9 fixed thresholds have at least one qualifying day at Lammi Vestola.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Lammi Vestola Days per year at Lammi Vestola with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1994. 02461980: 11988: 11992: 11994: 61999: 119801988199219941999
Days per year at Lammi Vestola with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1994.
Days at or above 30 C (86 F) per year at Lammi Vestola
YearDaysDecade average
198011
198811
199212.7
199462.7
199912.7
First to last qualifying date each year at Lammi Vestola For each year, a bar from the first to the last day at Lammi Vestola meeting 30 C (86 F). 1980: 3 August 1980 to 3 August 19801988: 28 June 1988 to 28 June 19881992: 11 August 1992 to 11 August 19921994: 14 July 1994 to 30 July 19941999: 14 July 1999 to 14 July 199919801988199219941999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lammi Vestola meeting 30 C (86 F).
First to last qualifying date each year at Lammi Vestola
YearFirst dateLast date
19801980-08-031980-08-03
19881988-06-281988-06-28
19921992-08-111992-08-11
19941994-07-141994-07-30
19991999-07-141999-07-14

Every Fixed Threshold

Fixed thresholds at Lammi Vestola
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5619941
0 C (32 F): Ice days (max30115198090
0 C (32 F): Frost days (min302351976203
-10 C (14 F): Days with min3093198551
-20 C (-4 F): Days with min3052198519
-30 C (-22 F): Days with min201319875
10 mm (0.39 in): Days with 10 mm or more rain3022198416
25 mm (0.98 in): Days with 25 mm or more rain21619722
50 mm (1.97 in): Days with 50 mm or more rain2219881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Lammi Vestola 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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