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

Lappeenranta Konnunsuo Threshold Days by Year (FIE00143270)

7 fixed thresholds counted per year at Lappeenranta Konnunsuo (FIE00143270): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lappeenranta Konnunsuo Thresholds

  • Lappeenranta Konnunsuo: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 2010 with 110.
  • Lappeenranta Konnunsuo: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 2002 with 209.
  • Lappeenranta Konnunsuo: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 2010 with 99.
  • Lappeenranta Konnunsuo: nights with a minimum temperature at or below -20 C (-4 F) in 29 years, most in 2010 with 52.
  • 7 fixed thresholds have at least one qualifying day at Lappeenranta Konnunsuo.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Lappeenranta Konnunsuo Days per year at Lappeenranta Konnunsuo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 2010. 0510151994: 21999: 12003: 32006: 32010: 122011: 22013: 12014: 42018: 32019: 12021: 82022: 32023: 12025: 31994200320102013201820212023
Days per year at Lappeenranta Konnunsuo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 2010.
Days at or above 30 C (86 F) per year at Lappeenranta Konnunsuo
YearDaysDecade average
199421.5
199911.5
200333
200633
2010123.8
201123.8
201313.8
201443.8
201833.8
201913.8
202183.8
202233.8
202313.8
202533.8
First to last qualifying date each year at Lappeenranta Konnunsuo For each year, a bar from the first to the last day at Lappeenranta Konnunsuo meeting 30 C (86 F). 1994: 10 May 1994 to 30 July 19941999: 14 July 1999 to 14 July 19992003: 29 July 2003 to 31 July 20032006: 8 July 2006 to 10 July 20062010: 8 July 2010 to 8 August 20102011: 1 July 2011 to 10 July 20112013: 26 June 2013 to 26 June 20132014: 19 May 2014 to 31 July 20142018: 1 August 2018 to 10 August 20182019: 7 June 2019 to 7 June 20192021: 21 June 2021 to 27 July 20212022: 27 June 2022 to 19 August 20222023: 7 August 2023 to 7 August 20232025: 24 July 2025 to 30 July 20251994200320102013201820212023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lappeenranta Konnunsuo meeting 30 C (86 F).
First to last qualifying date each year at Lappeenranta Konnunsuo
YearFirst dateLast date
19941994-05-101994-07-30
19991999-07-141999-07-14
20032003-07-292003-07-31
20062006-07-082006-07-10
20102010-07-082010-08-08
20112011-07-012011-07-10
20132013-06-262013-06-26
20142014-05-192014-07-31
20182018-08-012018-08-10
20192019-06-072019-06-07
20212021-06-212021-07-27
20222022-06-272022-08-19
20232023-08-072023-08-07
20252025-07-242025-07-30

Every Fixed Threshold

Fixed thresholds at Lappeenranta Konnunsuo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days141220103
90 F (32.2 C): Days3320101
0 C (32 F): Ice days (max30110201056
0 C (32 F): Frost days (min302092002101
-10 C (14 F): Days with min3099201043
-20 C (-4 F): Days with min2952201024
-30 C (-22 F): Days with min201620104

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Lappeenranta Konnunsuo 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).