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Data as of 2026-10-16
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Built 2026-10-18 (18 October 2026)

Bialystok Threshold Days by Year

11 fixed thresholds counted per year at Bialystok (PLM00012295): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bialystok Thresholds

  • Bialystok: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2010 with 80.
  • Bialystok: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2024 with 16.
  • Bialystok: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 2013 with 23.
  • Bialystok: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 2010 with 4.
  • 11 fixed thresholds have at least one qualifying day at Bialystok.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Bialystok Days per year at Bialystok with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2024. 051015201961: 31999: 62000: 32001: 72002: 122003: 72004: 32005: 22006: 102007: 42008: 12010: 142011: 12012: 82013: 32014: 72015: 152016: 62018: 112019: 72020: 42021: 132022: 92023: 102024: 162025: 42026: 10196120012004200720112014201820212024
Days per year at Bialystok with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2024.
Days at or above 30 C (86 F) per year at Bialystok
YearDaysDecade average
196133
199966
200035.4
200175.4
2002125.4
200375.4
200435.4
200525.4
2006105.4
200745.4
200815.4
2010148
201118
201288
201338
201478
2015158
201668
2018118
201978
202049.4
2021139.4
202299.4
2023109.4
2024169.4
202549.4
2026109.4
First to last qualifying date each year at Bialystok For each year, a bar from the first to the last day at Bialystok meeting 30 C (86 F). 1961: 27 June 1961 to 6 August 19611999: 12 June 1999 to 21 July 19992000: 21 June 2000 to 23 June 20002001: 15 July 2001 to 21 August 20012002: 20 June 2002 to 17 August 20022003: 26 May 2003 to 4 August 20032004: 19 July 2004 to 20 August 20042005: 29 May 2005 to 30 July 20052006: 6 July 2006 to 24 July 20062007: 16 June 2007 to 22 August 20072008: 16 August 2008 to 16 August 20082010: 10 June 2010 to 15 August 20102011: 14 July 2011 to 14 July 20112012: 1 July 2012 to 6 August 20122013: 21 June 2013 to 8 August 20132014: 29 July 2014 to 11 August 20142015: 4 July 2015 to 1 September 20152016: 24 June 2016 to 5 August 20162018: 21 June 2018 to 24 August 20182019: 11 June 2019 to 29 August 20192020: 7 August 2020 to 22 August 20202021: 19 June 2021 to 17 July 20212022: 19 June 2022 to 28 August 20222023: 16 July 2023 to 29 August 20232024: 27 June 2024 to 4 September 20242025: 2 July 2025 to 5 September 20252026: 27 June 2026 to 9 September 20261961200220062011201520202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bialystok meeting 30 C (86 F).
First to last qualifying date each year at Bialystok
YearFirst dateLast date
19611961-06-271961-08-06
19991999-06-121999-07-21
20002000-06-212000-06-23
20012001-07-152001-08-21
20022002-06-202002-08-17
20032003-05-262003-08-04
20042004-07-192004-08-20
20052005-05-292005-07-30
20062006-07-062006-07-24
20072007-06-162007-08-22
20082008-08-162008-08-16
20102010-06-102010-08-15
20112011-07-142011-07-14
20122012-07-012012-08-06
20132013-06-212013-08-08
20142014-07-292014-08-11
20152015-07-042015-09-01
20162016-06-242016-08-05
20182018-06-212018-08-24
20192019-06-112019-08-29
20202020-08-072020-08-22
20212021-06-192021-07-17
20222022-06-192022-08-28
20232023-07-162023-08-29
20242024-06-272024-09-04
20252025-07-022025-09-05
20262026-06-272026-09-09

Every Fixed Threshold

Fixed thresholds at Bialystok
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2716202410
35 C (95 F): Days10n/a1
90 F (32.2 C): Days19920155
0 C (32 F): Ice days (max2880201043
0 C (32 F): Frost days (min296202580
-10 C (14 F): Days with min210202533
-20 C (-4 F): Days with min10n/a3
20 C (68 F): Tropical nights (min10n/a2
10 mm (0.39 in): Days with 10 mm or more rain232320138
25 mm (0.98 in): Days with 25 mm or more rain21420102
50 mm (1.97 in): Days with 50 mm or more rain10220102

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Bialystok 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).