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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Myrtle Beach AFB Weather Records (USW00013717)

Record envelope, standing records and threshold days for Myrtle Beach AFB (USW00013717), South Carolina, United States, with 71 years of record.

Key Facts for Myrtle Beach AFB

  • Myrtle Beach AFB (USW00013717) is a weather station in South Carolina, United States at 33.68 latitude and -78.93 longitude, 8 m (26 ft) above sea level.
  • The station reports from 1956 to 2026, 71 years of record.
  • 1,464 records set at Myrtle Beach AFB still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: South Carolina, United States, 33.68 latitude, -78.93 longitude.
  • Elevation: 8 m (26 ft).
  • Period of record: 1956 to 2026, 71 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

42 days at or beyond a record
Daily record high and record low at Myrtle Beach AFB, with 2026 drawn through them The band shows the record high and record low for each calendar day at Myrtle Beach AFB. The lines show the 2026 daily maximum and minimum. 42 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Myrtle Beach AFB. The lines show the 2026 daily maximum and minimum. 42 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Myrtle Beach AFB, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan26.1 C (79.0 F)-10.6 C (12.9 F)21.1 C (70.0 F)-7.8 C (18.0 F)
Feb28.3 C (82.9 F)-12.8 C (9.0 F)26.7 C (80.1 F)-4.4 C (24.1 F)
Mar31.1 C (88.0 F)-6.1 C (21.0 F)26.7 C (80.1 F)-0.6 C (30.9 F)
Apr33.3 C (91.9 F)0.6 C (33.1 F)28.9 C (84.0 F)5.0 C (41.0 F)
May33.9 C (93.0 F)2.2 C (36.0 F)33.3 C (91.9 F)15.0 C (59.0 F)
Jun37.8 C (100.0 F)10.0 C (50.0 F)34.4 C (93.9 F)17.2 C (63.0 F)
Jul36.7 C (98.1 F)15.0 C (59.0 F)36.1 C (97.0 F)22.8 C (73.0 F)
Aug36.1 C (97.0 F)15.6 C (60.1 F)31.7 C (89.1 F)18.3 C (64.9 F)
Sep35.0 C (95.0 F)7.2 C (45.0 F)30.0 C (86.0 F)16.1 C (61.0 F)
Oct32.8 C (91.0 F)0.0 C (32.0 F)27.2 C (81.0 F)8.3 C (46.9 F)
Nov27.2 C (81.0 F)-7.8 C (18.0 F)27.2 C (81.0 F)-1.1 C (30.0 F)
Dec25.6 C (78.1 F)-11.7 C (10.9 F)25.0 C (77.0 F)-6.7 C (19.9 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Myrtle Beach AFB by the year they were set 1,464 records at Myrtle Beach AFB still stand. 1959 holds the most, with 110. 0501001501956: 261957: 1081958: 841959: 1101960: 1021961: 1091962: 901963: 991964: 1041965: 761966: 1011967: 1091968: 851969: 641970: 1022025: 9519561958196019621964196619681970
1,464 records at Myrtle Beach AFB still stand. 1959 holds the most, with 110.
Standing records at Myrtle Beach AFB by the year they were set
Year setStanding records
195626
1957108
195884
1959110
1960102
1961109
196290
196399
1964104
196576
1966101
1967109
196885
196964
1970102
202595

Wettest Day of Each Month

Nov: 238.8 mm (9.4 in)
Record daily precipitation for each month at Myrtle Beach AFB The wettest day on record for each calendar month at Myrtle Beach AFB. The most was 238.8 mm (9.4 in) on 1 November 1969. 0100200300 Jan: 67.8 mm (2.7 in), 12 January 1964 Jan Feb: 64.3 mm (2.5 in), 28 February 1966 Feb Mar: 86.6 mm (3.4 in), 21 March 1961 Mar Apr: 76.5 mm (3.0 in), 16 April 1958 Apr May: 71.1 mm (2.8 in), 2 May 1966 May Jun: 193.3 mm (7.6 in), 17 June 1967 Jun Jul: 119.1 mm (4.7 in), 29 July 1960 Jul Aug: 114.3 mm (4.5 in), 26 August 1958 Aug Sep: 145.0 mm (5.7 in), 29 September 1957 Sep Oct: 100.3 mm (3.9 in), 5 October 1964 Oct Nov: 238.8 mm (9.4 in), 1 November 1969 Nov Dec: 79.0 mm (3.1 in), 27 December 1964 Dec
The wettest day on record for each calendar month at Myrtle Beach AFB. The most was 238.8 mm (9.4 in) on 1 November 1969.
Record daily precipitation for each month at Myrtle Beach AFB
MonthRecord daily precipitation (mm)Date
Jan67.8 mm (2.7 in)12 January 1964
Feb64.3 mm (2.5 in)28 February 1966
Mar86.6 mm (3.4 in)21 March 1961
Apr76.5 mm (3.0 in)16 April 1958
May71.1 mm (2.8 in)2 May 1966
Jun193.3 mm (7.6 in)17 June 1967
Jul119.1 mm (4.7 in)29 July 1960
Aug114.3 mm (4.5 in)26 August 1958
Sep145.0 mm (5.7 in)29 September 1957
Oct100.3 mm (3.9 in)5 October 1964
Nov238.8 mm (9.4 in)1 November 1969
Dec79.0 mm (3.1 in)27 December 1964

Period of Record Coverage

1956 to 2025
Days with data per year at Myrtle Beach AFB 16 years of record at Myrtle Beach AFB, 1956 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1956. 1956: 38 of 366 days1957: 364 of 365 days1958: 365 of 365 days1959: 364 of 365 days1960: 366 of 366 days1961: 365 of 365 days1962: 364 of 365 days1963: 365 of 365 days1964: 363 of 366 days1965: 364 of 365 days1966: 365 of 365 days1967: 361 of 365 days1968: 363 of 366 days1969: 364 of 365 days1970: 362 of 365 days2025: 361 of 365 days1960196519702025
16 years of record at Myrtle Beach AFB, 1956 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1956.
Days with data per year at Myrtle Beach AFB
YearDays with dataShare of yearComplete
19563810%No
1957364100%Yes
1958365100%Yes
1959364100%Yes
1960366100%Yes
1961365100%Yes
1962364100%Yes
1963365100%Yes
196436399%Yes
1965364100%Yes
1966365100%Yes
196736199%Yes
196836399%Yes
1969364100%Yes
197036299%Yes
202536199%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

15 complete years, 1957 to 2025
Annual mean temperature at Myrtle Beach AFB as warming stripes, 1957 to 2025 One stripe for each of 15 complete years at Myrtle Beach AFB, 1957 to 2025. Blue stripes are years cooler than the station's own mean of 16.9 C (62.5 F); red stripes are warmer. The coolest year was 1967, at 16.3 C (61.4 F), and the warmest was 2025, at 18.4 C (65.2 F). The strongest colour marks a difference of 1.5 C (2.7 F). 1957: 17.5 C, +0.6 C from the station mean1958: 16.4 C, -0.6 C from the station mean1959: 17.8 C, +0.8 C from the station mean1960: 16.5 C, -0.4 C from the station mean1961: 16.9 C, 0.0 C from the station mean1962: 16.6 C, -0.4 C from the station mean1963: 16.4 C, -0.5 C from the station mean1964: 16.8 C, -0.2 C from the station mean1965: 16.8 C, -0.1 C from the station mean1966: 16.6 C, -0.4 C from the station mean1967: 16.3 C, -0.6 C from the station mean1968: 16.5 C, -0.5 C from the station mean1969: 17.0 C, +0.1 C from the station mean1970: 17.6 C, +0.7 C from the station mean2025: 18.4 C, +1.5 C from the station mean1957197019801990200020102020
One stripe for each of 15 complete years at Myrtle Beach AFB, 1957 to 2025. Blue stripes are years cooler than the station's own mean of 16.9 C (62.5 F); red stripes are warmer. The coolest year was 1967, at 16.3 C (61.4 F), and the warmest was 2025, at 18.4 C (65.2 F). The strongest colour marks a difference of 1.5 C (2.7 F).
Annual mean temperature at Myrtle Beach AFB as warming stripes, 1957 to 2025
YearAnnual mean temperatureDifference from the station mean
195717.5 C+0.57 C
195816.4 C-0.58 C
195917.8 C+0.81 C
196016.5 C-0.40 C
196116.9 C0.00 C
196216.6 C-0.35 C
196316.4 C-0.52 C
196416.8 C-0.15 C
196516.8 C-0.11 C
196616.6 C-0.38 C
196716.3 C-0.62 C
196816.5 C-0.45 C
196917.0 C+0.08 C
197017.6 C+0.67 C
202518.4 C+1.49 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1956 to 2026
Yearly extremes at Myrtle Beach AFB: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.8 C (100.0 F)195935.6 C (96.1 F)17
Coldest night (TNn)-12.8 C (9.0 F)1958-7.8 C (18.0 F)17
Wettest day (Rx1day)238.8 mm (9.4 in)196988.6 mm (3.5 in)17
Wettest five days (Rx5day)241.9 mm (9.5 in)1969139.7 mm (5.5 in)17
Longest dry spell (CDD)35 days196722 days17

Hottest day (TXx)

Hottest day (TXx) at Myrtle Beach AFB by year The hottest day of the year at Myrtle Beach AFB, 1956 to 2026. The record is 37.8 C (100.0 F) in 1959, marked on the chart; the median year is 35.6 C (96.1 F). 253035401960198020002020Record: 37.8 C (100.0 F) in 1959
The hottest day of the year at Myrtle Beach AFB, 1956 to 2026. The record is 37.8 C (100.0 F) in 1959, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at Myrtle Beach AFB by year
YearHottest day (TXx)
195625.0 C (77.0 F)
195735.0 C (95.0 F)
195836.7 C (98.1 F)
195937.8 C (100.0 F)
196035.0 C (95.0 F)
196136.1 C (97.0 F)
196235.0 C (95.0 F)
196336.1 C (97.0 F)
196434.4 C (93.9 F)
196534.4 C (93.9 F)
196635.6 C (96.1 F)
196732.8 C (91.0 F)
196836.1 C (97.0 F)
196935.0 C (95.0 F)
197036.7 C (98.1 F)
202536.1 C (97.0 F)
202637.2 C (99.0 F)

Coldest night (TNn)

Coldest night (TNn) at Myrtle Beach AFB by year The coldest night of the year at Myrtle Beach AFB, 1956 to 2026. The record is -12.8 C (9.0 F) in 1958, marked on the chart; the median year is -7.8 C (18.0 F). -15-12.5-10-7.5-5-2.51960198020002020Record: -12.8 C (9.0 F) in 1958
The coldest night of the year at Myrtle Beach AFB, 1956 to 2026. The record is -12.8 C (9.0 F) in 1958, marked on the chart; the median year is -7.8 C (18.0 F).
Coldest night (TNn) at Myrtle Beach AFB by year
YearColdest night (TNn)
1956-3.3 C (26.1 F)
1957-8.3 C (17.1 F)
1958-12.8 C (9.0 F)
1959-7.2 C (19.0 F)
1960-10.0 C (14.0 F)
1961-8.9 C (16.0 F)
1962-11.7 C (10.9 F)
1963-7.8 C (18.0 F)
1964-7.8 C (18.0 F)
1965-6.7 C (19.9 F)
1966-9.4 C (15.1 F)
1967-8.9 C (16.0 F)
1968-7.2 C (19.0 F)
1969-7.2 C (19.0 F)
1970-10.6 C (12.9 F)
2025-7.8 C (18.0 F)
2026-7.2 C (19.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Myrtle Beach AFB by year The wettest day of the year at Myrtle Beach AFB, 1956 to 2026. The record is 238.8 mm (9.4 in) in 1969, marked on the chart; the median year is 88.6 mm (3.5 in). 01002003001960198020002020Record: 238.8 mm (9.4 in) in 1969
The wettest day of the year at Myrtle Beach AFB, 1956 to 2026. The record is 238.8 mm (9.4 in) in 1969, marked on the chart; the median year is 88.6 mm (3.5 in).
Wettest day (Rx1day) at Myrtle Beach AFB by year
YearWettest day (Rx1day)
19565.1 mm (0.20 in)
1957145.0 mm (5.7 in)
1958114.3 mm (4.5 in)
195993.0 mm (3.7 in)
1960123.4 mm (4.9 in)
196186.6 mm (3.4 in)
196299.1 mm (3.9 in)
196365.8 mm (2.6 in)
1964132.6 mm (5.2 in)
196553.1 mm (2.1 in)
196671.1 mm (2.8 in)
1967193.3 mm (7.6 in)
196888.6 mm (3.5 in)
1969238.8 mm (9.4 in)
197083.8 mm (3.3 in)
202583.1 mm (3.3 in)
202664.8 mm (2.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Myrtle Beach AFB by year The wettest five days of the year at Myrtle Beach AFB, 1956 to 2026. The record is 241.9 mm (9.5 in) in 1969, marked on the chart; the median year is 139.7 mm (5.5 in). 01002003001960198020002020Record: 241.9 mm (9.5 in) in 1969
The wettest five days of the year at Myrtle Beach AFB, 1956 to 2026. The record is 241.9 mm (9.5 in) in 1969, marked on the chart; the median year is 139.7 mm (5.5 in).
Wettest five days (Rx5day) at Myrtle Beach AFB by year
YearWettest five days (Rx5day)
19565.1 mm (0.20 in)
1957180.6 mm (7.1 in)
1958139.7 mm (5.5 in)
1959154.2 mm (6.1 in)
1960236.8 mm (9.3 in)
1961122.6 mm (4.8 in)
1962122.0 mm (4.8 in)
1963107.2 mm (4.2 in)
1964155.8 mm (6.1 in)
196589.4 mm (3.5 in)
196692.7 mm (3.6 in)
1967200.9 mm (7.9 in)
1968150.3 mm (5.9 in)
1969241.9 mm (9.5 in)
1970140.9 mm (5.5 in)
2025136.8 mm (5.4 in)
202699.0 mm (3.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Myrtle Beach AFB by year The longest dry spell of the year at Myrtle Beach AFB, 1956 to 2026. The record is 35 days in 1967, marked on the chart; the median year is 22 days. 102030401960198020002020Record: 35 days in 1967
The longest dry spell of the year at Myrtle Beach AFB, 1956 to 2026. The record is 35 days in 1967, marked on the chart; the median year is 22 days.
Longest dry spell (CDD) at Myrtle Beach AFB by year
YearLongest dry spell (CDD)
195612 days
195719 days
195822 days
195912 days
196018 days
196130 days
196219 days
196325 days
196425 days
196520 days
196625 days
196735 days
196828 days
196918 days
197028 days
202514 days
202629 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Myrtle Beach AFB standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Myrtle Beach AFB 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).