Built 2026-10-19 (19 October 2026)

Pisa Threshold Days by Year (ITM00016158)

11 fixed thresholds counted per year at Pisa (ITM00016158): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pisa Thresholds

  • Pisa: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2022 with 76.
  • Pisa: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2014 with 37.
  • Pisa: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 2014 with 14.
  • Pisa: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2022 with 39.
  • 11 fixed thresholds have at least one qualifying day at Pisa.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Pisa Days per year at Pisa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2022. 0204060801958: 251965: 161967: 381968: 141970: 221973: 551974: 441975: 411976: 181977: 121978: 171979: 361980: 111981: 292006: 502008: 492011: 332013: 532014: 162015: 512016: 482017: 612018: 512019: 622020: 462021: 462022: 762023: 562025: 521958196819741977198020082014201720202023
Days per year at Pisa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2022.
Days at or above 30 C (86 F) per year at Pisa
YearDaysDecade average
19582525
19651622.7
19673822.7
19681422.7
19702230.6
19735530.6
19744430.6
19754130.6
19761830.6
19771230.6
19781730.6
19793630.6
19801120
19812920
20065049.5
20084949.5
20113346.9
20135346.9
20141646.9
20155146.9
20164846.9
20176146.9
20185146.9
20196246.9
20204655.2
20214655.2
20227655.2
20235655.2
20255255.2
First to last qualifying date each year at Pisa For each year, a bar from the first to the last day at Pisa meeting 30 C (86 F). 1958: 13 May 1958 to 7 September 19581965: 25 June 1965 to 12 August 19651967: 25 June 1967 to 29 August 19671968: 1 July 1968 to 1 August 19681970: 17 June 1970 to 11 September 19701973: 26 May 1973 to 16 September 19731974: 16 June 1974 to 16 September 19741975: 19 May 1975 to 18 September 19751976: 17 May 1976 to 18 July 19761977: 25 May 1977 to 19 October 19771978: 13 July 1978 to 25 August 19781979: 30 May 1979 to 16 August 19791980: 14 June 1980 to 18 August 19801981: 1 June 1981 to 22 September 19812006: 18 June 2006 to 12 September 20062008: 21 June 2008 to 12 September 20082011: 23 May 2011 to 28 September 20112013: 17 June 2013 to 7 September 20132014: 8 June 2014 to 29 August 20142015: 17 May 2015 to 31 August 20152016: 23 June 2016 to 13 September 20162017: 28 May 2017 to 31 August 20172018: 18 June 2018 to 21 September 20182019: 9 June 2019 to 14 September 20192020: 24 June 2020 to 19 September 20202021: 15 June 2021 to 10 September 20212022: 18 May 2022 to 15 September 20222023: 18 June 2023 to 2 October 20232025: 10 June 2025 to 19 August 202519581970197619802011201620202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pisa meeting 30 C (86 F).
First to last qualifying date each year at Pisa
YearFirst dateLast date
19581958-05-131958-09-07
19651965-06-251965-08-12
19671967-06-251967-08-29
19681968-07-011968-08-01
19701970-06-171970-09-11
19731973-05-261973-09-16
19741974-06-161974-09-16
19751975-05-191975-09-18
19761976-05-171976-07-18
19771977-05-251977-10-19
19781978-07-131978-08-25
19791979-05-301979-08-16
19801980-06-141980-08-18
19811981-06-011981-09-22
20062006-06-182006-09-12
20082008-06-212008-09-12
20112011-05-232011-09-28
20132013-06-172013-09-07
20142014-06-082014-08-29
20152015-05-172015-08-31
20162016-06-232016-09-13
20172017-05-282017-08-31
20182018-06-182018-09-21
20192019-06-092019-09-14
20202020-06-242020-09-19
20212021-06-152021-09-10
20222022-05-182022-09-15
20232023-06-182023-10-02
20252025-06-102025-08-19

Every Fixed Threshold

Fixed thresholds at Pisa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2976202252
35 C (95 F): Days2311202210
90 F (32.2 C): Days2839202232
100 F (37.8 C): Days4120111
0 C (32 F): Frost days (min22619581
20 C (68 F): Tropical nights (min216195831
10 mm (0.39 in): Days with 10 mm or more rain2937201419
25 mm (0.98 in): Days with 25 mm or more rain291420145
50 mm (1.97 in): Days with 50 mm or more rain25619764
100 mm (3.94 in): Days with 100 mm or more rain8319761
200 mm (7.87 in): Days with 200 mm or more rain4119751

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 Pisa 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 (2025-12-31).