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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Varna Threshold Days by Year (BUM00015552)

10 fixed thresholds counted per year at Varna (BUM00015552): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Varna Thresholds

  • Varna: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 1958 with 12.
  • Varna: days with a maximum temperature at or below 0 C (32 F) in 2 years, most in 1983 with 5.
  • Varna: days with a maximum temperature at or above 90 F (32.2 C) in 1 years, most in 1958 with 3.
  • Varna: nights with a minimum temperature at or below 0 C (32 F) in 1 years, most in 1958 with 52.
  • 10 fixed thresholds have at least one qualifying day at Varna.
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Varna Days per year at Varna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. 01020301978: 111979: 221980: 91981: 131999: 192004: 222005: 192006: 112007: 92008: 112009: 192010: 202011: 162012: 202013: 122014: 272015: 182016: 192017: 202018: 222019: 92020: 92021: 192022: 102023: 122024: 12197819812005200820112014201720202023
Days per year at Varna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line.
Days with 10 mm (0.39 in) or more of precipitation per year at Varna
YearDaysDecade average
19781116.5
19792216.5
1980911
19811311
19991919
20042215.2
20051915.2
20061115.2
2007915.2
20081115.2
20091915.2
20102018.3
20111618.3
20122018.3
20131218.3
20142718.3
20151818.3
20161918.3
20172018.3
20182218.3
2019918.3
2020912.4
20211912.4
20221012.4
20231212.4
20241212.4
First to last qualifying date each year at Varna For each year, a bar from the first to the last day at Varna meeting 10 mm (0.39 in). 1978: 22 January 1978 to 20 December 19781979: 13 January 1979 to 26 November 19791980: 8 January 1980 to 3 November 19801981: 29 January 1981 to 5 December 19811999: 23 February 1999 to 28 December 19992004: 29 January 2004 to 30 December 20042005: 26 January 2005 to 19 December 20052006: 6 February 2006 to 3 November 20062007: 27 January 2007 to 6 December 20072008: 3 January 2008 to 23 November 20082009: 26 January 2009 to 29 December 20092010: 18 January 2010 to 28 December 20102011: 3 April 2011 to 23 December 20112012: 1 January 2012 to 20 December 20122013: 27 February 2013 to 14 November 20132014: 25 January 2014 to 5 December 20142015: 1 February 2015 to 28 November 20152016: 4 January 2016 to 10 November 20162017: 6 January 2017 to 31 December 20172018: 22 January 2018 to 18 December 20182019: 10 January 2019 to 25 December 20192020: 6 February 2020 to 9 December 20202021: 10 January 2021 to 30 December 20212022: 8 January 2022 to 18 September 20222023: 12 January 2023 to 7 December 20232024: 18 April 2024 to 25 December 20241978199920072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Varna meeting 10 mm (0.39 in).
First to last qualifying date each year at Varna
YearFirst dateLast date
19781978-01-221978-12-20
19791979-01-131979-11-26
19801980-01-081980-11-03
19811981-01-291981-12-05
19991999-02-231999-12-28
20042004-01-292004-12-30
20052005-01-262005-12-19
20062006-02-062006-11-03
20072007-01-272007-12-06
20082008-01-032008-11-23
20092009-01-262009-12-29
20102010-01-182010-12-28
20112011-04-032011-12-23
20122012-01-012012-12-20
20132013-02-272013-11-14
20142014-01-252014-12-05
20152015-02-012015-11-28
20162016-01-042016-11-10
20172017-01-062017-12-31
20182018-01-222018-12-18
20192019-01-102019-12-25
20202020-02-062020-12-09
20212021-01-102021-12-30
20222022-01-082022-09-18
20232023-01-122023-12-07
20242024-04-182024-12-25

Every Fixed Threshold

Fixed thresholds at Varna
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21219585
90 F (32.2 C): Days1319583
0 C (32 F): Ice days (max2519835
0 C (32 F): Frost days (min152195852
20 C (68 F): Tropical nights (min123195823
10 mm (0.39 in): Days with 10 mm or more rain260n/a12
25 mm (0.98 in): Days with 25 mm or more rain240n/a3
50 mm (1.97 in): Days with 50 mm or more rain120n/a1
100 mm (3.94 in): Days with 100 mm or more rain30n/a1
200 mm (7.87 in): Days with 200 mm or more rain10n/a2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Varna 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).