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Built 2026-10-19 (19 October 2026)

Writtle Threshold Days by Year (UKE00105901)

11 fixed thresholds counted per year at Writtle (UKE00105901): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Writtle Thresholds

  • Writtle: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1963 with 86.
  • Writtle: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 2023 with 22.
  • Writtle: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1992 with 4.
  • Writtle: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1976 with 12.
  • 11 fixed thresholds have at least one qualifying day at Writtle.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Writtle Days per year at Writtle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1976. 051015201961: 11964: 11969: 11970: 11973: 11975: 71976: 121983: 31984: 11989: 11990: 61994: 21995: 71996: 21997: 51998: 21999: 22000: 12001: 22002: 22003: 62004: 12005: 62006: 102010: 22011: 22012: 12014: 12015: 22016: 52017: 12018: 102019: 62020: 72022: 102023: 62024: 32025: 92026: 181961197319841995199920032010201520192024
Days per year at Writtle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1976.
Days at or above 30 C (86 F) per year at Writtle
YearDaysDecade average
196111
196411
196911
197015.3
197315.3
197575.3
1976125.3
198331.7
198411.7
198911.7
199063.7
199423.7
199573.7
199623.7
199753.7
199823.7
199923.7
200014
200124
200224
200364
200414
200564
2006104
201023.3
201123.3
201213.3
201413.3
201523.3
201653.3
201713.3
2018103.3
201963.3
202078.8
2022108.8
202368.8
202438.8
202598.8
2026188.8
First to last qualifying date each year at Writtle For each year, a bar from the first to the last day at Writtle meeting 30 C (86 F). 1961: 30 June 1961 to 30 June 19611964: 25 August 1964 to 25 August 19641969: 15 July 1969 to 15 July 19691970: 6 July 1970 to 6 July 19701973: 15 August 1973 to 15 August 19731975: 29 July 1975 to 13 August 19751976: 8 June 1976 to 6 July 19761983: 14 July 1983 to 28 July 19831984: 27 July 1984 to 27 July 19841989: 21 July 1989 to 21 July 19891990: 19 July 1990 to 28 August 19901994: 11 July 1994 to 24 July 19941995: 29 June 1995 to 11 August 19951996: 6 June 1996 to 21 July 19961997: 7 August 1997 to 11 August 19971998: 9 August 1998 to 10 August 19981999: 31 July 1999 to 1 August 19992000: 18 June 2000 to 18 June 20002001: 28 July 2001 to 14 August 20012002: 28 July 2002 to 16 August 20022003: 5 August 2003 to 11 August 20032004: 7 June 2004 to 7 June 20042005: 27 May 2005 to 31 August 20052006: 2 July 2006 to 27 July 20062010: 8 July 2010 to 9 July 20102011: 26 June 2011 to 2 August 20112012: 17 August 2012 to 17 August 20122014: 17 July 2014 to 17 July 20142015: 30 June 2015 to 21 August 20152016: 18 July 2016 to 14 September 20162017: 17 June 2017 to 17 June 20172018: 14 July 2018 to 6 August 20182019: 22 July 2019 to 26 August 20192020: 30 July 2020 to 14 September 20202022: 16 June 2022 to 14 August 20222023: 24 June 2023 to 9 September 20232024: 18 July 2024 to 11 August 20242025: 20 June 2025 to 14 August 20252026: 24 May 2026 to 13 August 202619611975199019982003201120172023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Writtle meeting 30 C (86 F).
First to last qualifying date each year at Writtle
YearFirst dateLast date
19611961-06-301961-06-30
19641964-08-251964-08-25
19691969-07-151969-07-15
19701970-07-061970-07-06
19731973-08-151973-08-15
19751975-07-291975-08-13
19761976-06-081976-07-06
19831983-07-141983-07-28
19841984-07-271984-07-27
19891989-07-211989-07-21
19901990-07-191990-08-28
19941994-07-111994-07-24
19951995-06-291995-08-11
19961996-06-061996-07-21
19971997-08-071997-08-11
19981998-08-091998-08-10
19991999-07-311999-08-01
20002000-06-182000-06-18
20012001-07-282001-08-14
20022002-07-282002-08-16
20032003-08-052003-08-11
20042004-06-072004-06-07
20052005-05-272005-08-31
20062006-07-022006-07-27
20102010-07-082010-07-09
20112011-06-262011-08-02
20122012-08-172012-08-17
20142014-07-172014-07-17
20152015-06-302015-08-21
20162016-07-182016-09-14
20172017-06-172017-06-17
20182018-07-142018-08-06
20192019-07-222019-08-26
20202020-07-302020-09-14
20222022-06-162022-08-14
20232023-06-242023-09-09
20242024-07-182024-08-11
20252025-06-202025-08-14
20262026-05-242026-08-13

Every Fixed Threshold

Fixed thresholds at Writtle
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3912197618
35 C (95 F): Days6220223
90 F (32.2 C): Days20620209
100 F (37.8 C): Days1120221
0 C (32 F): Ice days (max291819632
0 C (32 F): Frost days (min6686196327
-10 C (14 F): Days with min18919631
20 C (68 F): Tropical nights (min2120041
10 mm (0.39 in): Days with 10 mm or more rain652220237
25 mm (0.98 in): Days with 25 mm or more rain41419922
50 mm (1.97 in): Days with 50 mm or more rain6119651

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 Writtle 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).