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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Mietoinen Saari Threshold Days by Year

10 fixed thresholds counted per year at Mietoinen Saari (FIE00142421): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mietoinen Saari Thresholds

  • Mietoinen Saari: nights with a minimum temperature at or below 0 C (32 F) in 48 years, most in 1976 with 187.
  • Mietoinen Saari: nights with a minimum temperature at or below -10 C (14 F) in 48 years, most in 1963 with 85.
  • Mietoinen Saari: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1985 with 105.
  • Mietoinen Saari: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1961 with 21.
  • 10 fixed thresholds have at least one qualifying day at Mietoinen Saari.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Mietoinen Saari Days per year at Mietoinen Saari with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2003. 024681960: 11963: 11966: 11969: 21972: 21973: 21975: 21977: 21980: 11994: 31997: 61999: 32001: 22003: 82005: 12006: 119601966197219751980199720012005
Days per year at Mietoinen Saari with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2003.
Days at or above 30 C (86 F) per year at Mietoinen Saari
YearDaysDecade average
196011.3
196311.3
196611.3
196921.3
197222
197322
197522
197722
198011
199434
199764
199934
200123
200383
200513
200613
First to last qualifying date each year at Mietoinen Saari For each year, a bar from the first to the last day at Mietoinen Saari meeting 30 C (86 F). 1960: 28 July 1960 to 28 July 19601963: 31 July 1963 to 31 July 19631966: 25 July 1966 to 25 July 19661969: 1 August 1969 to 6 August 19691972: 28 June 1972 to 29 June 19721973: 6 July 1973 to 7 July 19731975: 6 August 1975 to 8 August 19751977: 14 June 1977 to 15 June 19771980: 31 July 1980 to 31 July 19801994: 28 July 1994 to 30 July 19941997: 13 June 1997 to 23 July 19971999: 14 July 1999 to 3 August 19992001: 8 July 2001 to 9 July 20012003: 14 July 2003 to 1 August 20032005: 10 July 2005 to 10 July 20052006: 6 August 2006 to 6 August 200619601966197219751980199720012005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mietoinen Saari meeting 30 C (86 F).
First to last qualifying date each year at Mietoinen Saari
YearFirst dateLast date
19601960-07-281960-07-28
19631963-07-311963-07-31
19661966-07-251966-07-25
19691969-08-011969-08-06
19721972-06-281972-06-29
19731973-07-061973-07-07
19751975-08-061975-08-08
19771977-06-141977-06-15
19801980-07-311980-07-31
19941994-07-281994-07-30
19971997-06-131997-07-23
19991999-07-141999-08-03
20012001-07-082001-07-09
20032003-07-142003-08-01
20052005-07-102005-07-10
20062006-08-062006-08-06

Every Fixed Threshold

Fixed thresholds at Mietoinen Saari
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days16820031
90 F (32.2 C): Days1320033
0 C (32 F): Ice days (max47105198557
0 C (32 F): Frost days (min481871976129
-10 C (14 F): Days with min4885196337
-20 C (-4 F): Days with min423019854
-30 C (-22 F): Days with min9619876
10 mm (0.39 in): Days with 10 mm or more rain4721196114
25 mm (0.98 in): Days with 25 mm or more rain29419802
50 mm (1.97 in): Days with 50 mm or more rain7219611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Mietoinen Saari 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).