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Built 2026-10-19 (19 October 2026)

Petrozawodsk Threshold Days by Year (RSM00022820)

13 fixed thresholds counted per year at Petrozawodsk (RSM00022820): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Petrozawodsk Thresholds

  • Petrozawodsk: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 2025 with 28.
  • Petrozawodsk: nights with a minimum temperature at or below 0 C (32 F) in 80 years, most in 1945 with 211.
  • Petrozawodsk: nights with a minimum temperature at or below -10 C (14 F) in 80 years, most in 1955 with 110.
  • Petrozawodsk: nights with a minimum temperature at or below -20 C (-4 F) in 79 years, most in 1966 with 47.
  • 13 fixed thresholds have at least one qualifying day at Petrozawodsk.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Petrozawodsk Days per year at Petrozawodsk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 2010. 0510151936: 31937: 11938: 31939: 11940: 11956: 11963: 11970: 11972: 71988: 11994: 11996: 11998: 22001: 12002: 12006: 62010: 112011: 12012: 12014: 12025: 51936193919631988199820062012
Days per year at Petrozawodsk with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 2010.
Days at or above 30 C (86 F) per year at Petrozawodsk
YearDaysDecade average
193632
193712
193832
193912
194011
195611
196311
197014
197274
198811
199411.3
199611.3
199821.3
200112.7
200212.7
200662.7
2010113.5
201113.5
201213.5
201413.5
202555
First to last qualifying date each year at Petrozawodsk For each year, a bar from the first to the last day at Petrozawodsk meeting 30 C (86 F). 1936: 15 July 1936 to 3 August 19361937: 1 July 1937 to 1 July 19371938: 5 July 1938 to 30 July 19381939: 21 June 1939 to 21 June 19391940: 26 June 1940 to 26 June 19401956: 9 June 1956 to 9 June 19561963: 26 July 1963 to 26 July 19631970: 19 July 1970 to 19 July 19701972: 8 July 1972 to 23 August 19721988: 28 June 1988 to 28 June 19881994: 14 July 1994 to 14 July 19941996: 10 July 1996 to 10 July 19961998: 11 June 1998 to 12 June 19982001: 16 July 2001 to 16 July 20012002: 5 July 2002 to 5 July 20022006: 21 June 2006 to 10 July 20062010: 8 July 2010 to 9 August 20102011: 20 July 2011 to 20 July 20112012: 31 July 2012 to 31 July 20122014: 20 May 2014 to 20 May 20142025: 25 July 2025 to 30 July 20251936193919631988199820062012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Petrozawodsk meeting 30 C (86 F).
First to last qualifying date each year at Petrozawodsk
YearFirst dateLast date
19361936-07-151936-08-03
19371937-07-011937-07-01
19381938-07-051938-07-30
19391939-06-211939-06-21
19401940-06-261940-06-26
19561956-06-091956-06-09
19631963-07-261963-07-26
19701970-07-191970-07-19
19721972-07-081972-08-23
19881988-06-281988-06-28
19941994-07-141994-07-14
19961996-07-101996-07-10
19981998-06-111998-06-12
20012001-07-162001-07-16
20022002-07-052002-07-05
20062006-06-212006-07-10
20102010-07-082010-08-09
20112011-07-202011-07-20
20122012-07-312012-07-31
20142014-05-202014-05-20
20252025-07-252025-07-30

Every Fixed Threshold

Fixed thresholds at Petrozawodsk
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days211120105
90 F (32.2 C): Days6520101
0 C (32 F): Ice days (max77138195558
0 C (32 F): Frost days (min80211194591
-10 C (14 F): Days with min80110195547
-20 C (-4 F): Days with min7947196619
-30 C (-22 F): Days with min421319664
-40 C (-40 F): Days with min2419874
20 C (68 F): Tropical nights (min11920101
25 C (77 F): Days with min1120101
10 mm (0.39 in): Days with 10 mm or more rain852820253
25 mm (0.98 in): Days with 25 mm or more rain63519765
50 mm (1.97 in): Days with 50 mm or more rain11219931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Petrozawodsk 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 (2026-10-17).