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

Belchertown Threshold Days by Year (USC00190562)

18 fixed thresholds counted per year at Belchertown (USC00190562): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belchertown Thresholds

  • Belchertown: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1983 with 57.
  • Belchertown: days with 25 mm (0.98 in) or more of precipitation in 85 years, most in 1979 with 23.
  • Belchertown: days with 10 cm (3.9 in) or more of snowfall in 80 years, most in 1956 with 10.
  • Belchertown: days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1996 with 5.
  • 18 fixed thresholds have at least one qualifying day at Belchertown.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Belchertown Days per year at Belchertown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 2020. 02040601942: 301943: 341944: 421945: 271946: 291947: 362009: 122010: 322011: 212012: 262013: 192014: 82015: 202016: 382017: 212018: 392019: 252020: 462021: 272022: 312023: 212024: 262025: 282026: 2919421945200920122015201820212024
Days per year at Belchertown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 2020.
Days at or above 30 C (86 F) per year at Belchertown
YearDaysDecade average
19423033
19433433
19444233
19452733
19462933
19473633
20091212
20103224.9
20112124.9
20122624.9
20131924.9
2014824.9
20152024.9
20163824.9
20172124.9
20183924.9
20192524.9
20204629.7
20212729.7
20223129.7
20232129.7
20242629.7
20252829.7
20262929.7
First to last qualifying date each year at Belchertown For each year, a bar from the first to the last day at Belchertown meeting 30 C (86 F). 1942: 29 June 1942 to 17 September 19421943: 2 June 1943 to 25 August 19431944: 5 May 1944 to 2 September 19441945: 13 April 1945 to 8 September 19451946: 31 May 1946 to 6 October 19461947: 13 May 1947 to 16 October 19472009: 26 April 2009 to 22 August 20092010: 8 April 2010 to 23 September 20102011: 28 May 2011 to 9 August 20112012: 17 April 2012 to 1 September 20122013: 22 May 2013 to 12 September 20132014: 18 June 2014 to 7 September 20142015: 9 May 2015 to 10 September 20152016: 26 May 2016 to 10 September 20162017: 12 April 2017 to 28 September 20172018: 3 May 2018 to 17 September 20182019: 25 June 2019 to 24 September 20192020: 5 June 2020 to 26 August 20202021: 23 May 2021 to 28 August 20212022: 22 May 2022 to 31 August 20222023: 14 April 2023 to 9 September 20232024: 22 May 2024 to 29 August 20242025: 6 June 2025 to 18 August 20252026: 17 April 2026 to 9 August 202619421945200920122015201820212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Belchertown meeting 30 C (86 F).
First to last qualifying date each year at Belchertown
YearFirst dateLast date
19421942-06-291942-09-17
19431943-06-021943-08-25
19441944-05-051944-09-02
19451945-04-131945-09-08
19461946-05-311946-10-06
19471947-05-131947-10-16
20092009-04-262009-08-22
20102010-04-082010-09-23
20112011-05-282011-08-09
20122012-04-172012-09-01
20132013-05-222013-09-12
20142014-06-182014-09-07
20152015-05-092015-09-10
20162016-05-262016-09-10
20172017-04-122017-09-28
20182018-05-032018-09-17
20192019-06-252019-09-24
20202020-06-052020-08-26
20212021-05-232021-08-28
20222022-05-222022-08-31
20232023-04-142023-09-09
20242024-05-222024-08-29
20252025-06-062025-08-18
20262026-04-172026-08-09

Every Fixed Threshold

Fixed thresholds at Belchertown
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2446202029
35 C (95 F): Days13619442
90 F (32.2 C): Days232419449
100 F (37.8 C): Days1119441
0 C (32 F): Ice days (max2452200927
0 C (32 F): Frost days (min23169194393
-10 C (14 F): Days with min2360201535
-20 C (-4 F): Days with min181520158
-30 C (-22 F): Days with min1219432
20 C (68 F): Tropical nights (min232020138
10 mm (0.39 in): Days with 10 mm or more rain8557198326
25 mm (0.98 in): Days with 25 mm or more rain8523197910
50 mm (1.97 in): Days with 50 mm or more rain68519962
100 mm (3.94 in): Days with 100 mm or more rain9219441
200 mm (7.87 in): Days with 200 mm or more rain1119551
10 cm (3.9 in): Days with 10 cm or more snowfall801019562
25 cm (9.8 in): Days with 25 cm or more snowfall30319671
50 cm (19.7 in): Days with 50 cm or more snowfall1120011

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Belchertown 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).