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Data as of 2026-10-12
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Built 2026-10-19 (19 October 2026)

Melsom Threshold Days by Year (NOE00135018)

12 fixed thresholds counted per year at Melsom (NOE00135018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Melsom Thresholds

  • Melsom: days with a maximum temperature at or below 0 C (32 F) in 58 years, most in 2010 with 100.
  • Melsom: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 2010 with 165.
  • Melsom: nights with a minimum temperature at or below -10 C (14 F) in 57 years, most in 2010 with 65.
  • Melsom: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 2020 with 51.
  • 12 fixed thresholds have at least one qualifying day at Melsom.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Melsom Days per year at Melsom with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1975. 02461975: 51977: 11982: 31988: 22004: 12007: 12008: 42009: 12014: 52018: 52019: 32023: 12025: 32026: 11975198220042008201420192025
Days per year at Melsom with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1975.
Days at or above 30 C (86 F) per year at Melsom
YearDaysDecade average
197553
197713
198232.5
198822.5
200411.8
200711.8
200841.8
200911.8
201454.3
201854.3
201934.3
202311.7
202531.7
202611.7
First to last qualifying date each year at Melsom For each year, a bar from the first to the last day at Melsom meeting 30 C (86 F). 1975: 6 August 1975 to 11 August 19751977: 15 June 1977 to 15 June 19771982: 2 August 1982 to 5 August 19821988: 26 June 1988 to 27 June 19882004: 10 August 2004 to 10 August 20042007: 8 June 2007 to 8 June 20072008: 25 July 2008 to 28 July 20082009: 28 June 2009 to 28 June 20092014: 22 July 2014 to 26 July 20142018: 28 June 2018 to 28 July 20182019: 26 July 2019 to 28 July 20192023: 15 June 2023 to 15 June 20232025: 17 July 2025 to 24 July 20252026: 15 July 2026 to 15 July 20261975198220042008201420192025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Melsom meeting 30 C (86 F).
First to last qualifying date each year at Melsom
YearFirst dateLast date
19751975-08-061975-08-11
19771977-06-151977-06-15
19821982-08-021982-08-05
19881988-06-261988-06-27
20042004-08-102004-08-10
20072007-06-082007-06-08
20082008-07-252008-07-28
20092009-06-282009-06-28
20142014-07-222014-07-26
20182018-06-282018-07-28
20192019-07-262019-07-28
20232023-06-152023-06-15
20252025-07-172025-07-24
20262026-07-152026-07-15

Every Fixed Threshold

Fixed thresholds at Melsom
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days14519751
90 F (32.2 C): Days3119821
0 C (32 F): Ice days (max58100201044
0 C (32 F): Frost days (min58165201071
-10 C (14 F): Days with min5765201015
-20 C (-4 F): Days with min281219663
-30 C (-22 F): Days with min1119661
20 C (68 F): Tropical nights (min3119721
10 mm (0.39 in): Days with 10 mm or more rain5551202017
25 mm (0.98 in): Days with 25 mm or more rain541119884
50 mm (1.97 in): Days with 50 mm or more rain27420141
100 mm (3.94 in): Days with 100 mm or more rain1120151

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Melsom 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 (2026-10-12).