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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Myrtle Beach Threshold Days by Year (USC00386153)

16 fixed thresholds counted per year at Myrtle Beach (USC00386153): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Myrtle Beach Thresholds

  • Myrtle Beach: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 2000 with 46.
  • Myrtle Beach: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1998 with 22.
  • Myrtle Beach: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1998 with 8.
  • Myrtle Beach: days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 1990 with 100.
  • 16 fixed thresholds have at least one qualifying day at Myrtle Beach.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Myrtle Beach Days per year at Myrtle Beach with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1990. 02550751001989: 811990: 1001997: 731998: 931999: 562000: 532002: 652003: 462004: 482008: 752009: 632014: 662018: 961989199719992002200420092018
Days per year at Myrtle Beach with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1990.
Days at or above 30 C (86 F) per year at Myrtle Beach
YearDaysDecade average
19898181
199010080.5
19977380.5
19989380.5
19995680.5
20005358.3
20026558.3
20034658.3
20044858.3
20087558.3
20096358.3
20146681
20189681
First to last qualifying date each year at Myrtle Beach For each year, a bar from the first to the last day at Myrtle Beach meeting 30 C (86 F). 1989: 27 April 1989 to 8 October 19891990: 27 April 1990 to 16 October 19901997: 30 March 1997 to 9 October 19971998: 9 May 1998 to 29 September 19981999: 10 May 1999 to 15 September 19992000: 14 May 2000 to 25 September 20002002: 21 April 2002 to 8 October 20022003: 23 April 2003 to 29 September 20032004: 27 May 2004 to 1 November 20042008: 11 May 2008 to 19 October 20082009: 13 June 2009 to 11 October 20092014: 7 May 2014 to 9 October 20142018: 2 June 2018 to 18 October 20181989199719992002200420092018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Myrtle Beach meeting 30 C (86 F).
First to last qualifying date each year at Myrtle Beach
YearFirst dateLast date
19891989-04-271989-10-08
19901990-04-271990-10-16
19971997-03-301997-10-09
19981998-05-091998-09-29
19991999-05-101999-09-15
20002000-05-142000-09-25
20022002-04-212002-10-08
20032003-04-232003-09-29
20042004-05-272004-11-01
20082008-05-112008-10-19
20092009-06-132009-10-11
20142014-05-072014-10-09
20182018-06-022018-10-18

Every Fixed Threshold

Fixed thresholds at Myrtle Beach
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13100199096
35 C (95 F): Days101619982
90 F (32.2 C): Days1347199022
100 F (37.8 C): Days4219892
0 C (32 F): Ice days (max6319891
0 C (32 F): Frost days (min1251201415
-10 C (14 F): Days with min1219892
20 C (68 F): Tropical nights (min111062014106
25 C (77 F): Days with min111419985
10 mm (0.39 in): Days with 10 mm or more rain1946200037
25 mm (0.98 in): Days with 25 mm or more rain1922199818
50 mm (1.97 in): Days with 50 mm or more rain19819982
100 mm (3.94 in): Days with 100 mm or more rain6219981
200 mm (7.87 in): Days with 200 mm or more rain1119991
10 cm (3.9 in): Days with 10 cm or more snowfall1119891
25 cm (9.8 in): Days with 25 cm or more snowfall1119891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Myrtle Beach 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).