Sumter, South Carolina, United States Climate

Weather: 13.81°C/56.86°F, Wind SW at 0 km/h, 96% Humidity, 0% Chance of rain

United States
(Photo by Taylor Wilcox on Unsplash)
Contents

Sumter Climate Summary

Located at an elevation of 52.46 meters (172.11 feet) above sea level, Sumter has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 19.93ºC (67.87ºF) and it is 7.29% higher than United States’s averages. Sumter typically receives about 48.14 millimeters (1.9 inches) of precipitation and has 44.81 rainy days (12.28% of the time) annually.

CountryUnited States
CitySouth Carolina
Longitude-80.3414693
Latitude33.9204354
Attitude/Elevation52.46m (172.11ft)
Local timeSunday 10:54
Annual high temperature23.46ºC (74.23ºF)
Annual low temperature14.38ºC (57.88ºF)
Average annual precip.48.14mm (1.9in)
Warmest monthJuly (33.1ºC / 91.58ºF)
Coldest MonthJanuary (4.48ºC / 40.06ºF)
Wettest MonthAugust (81.14mm / 3.19in)
Driest MonthJanuary (26.54mm / 1.04in)
Number of days with rainfall (≥ 1.0 mm)44.81 days (12.28%)
Days with no rain320.19 days (87.72%)
Humidity69.9%

Climate Sumter: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)23.0(73.4)26.0(78.8)29.0(84.2)30.0(86.0)38.0(100.4)37.0(98.6)37.0(98.6)37.0(98.6)36.0(96.8)35.0(95.0)27.0(80.6)24.0(75.2)38.0(100.4)
Average high °C (°F)12.4(54.32)16.95(62.51)18.27(64.89)22.57(72.63)28.54(83.37)31.43(88.57)33.1(91.58)32.31(90.16)30.01(86.02)25.04(77.07)17.18(62.92)13.69(56.64)23.46(74.23)
Daily mean °C (°F)9.18(48.52)13.51(56.32)14.67(58.41)18.7(65.66)24.77(76.59)27.74(81.93)29.39(84.9)28.59(83.46)26.42(79.56)21.49(70.68)13.89(57.0)10.78(51.4)19.93(67.87)
Average low °C (°F)4.48(40.06)8.39(47.1)9.19(48.54)12.14(53.85)18.14(64.65)21.38(70.48)23.08(73.54)22.68(72.82)21.16(70.09)16.23(61.21)9.1(48.38)6.59(43.86)14.38(57.88)
Record low °C (°F)-6.0(21.2)-2.0(28.4)-1.0(30.2)3.0(37.4)8.0(46.4)15.0(59.0)18.0(64.4)16.0(60.8)11.0(51.8)7.0(44.6)-3.0(26.6)-2.0(28.4)-6.0(21.2)
Average precipitation mm (inches)26.54(1.04)33.84(1.33)26.95(1.06)43.75(1.72)49.67(1.96)57.06(2.25)70.13(2.76)81.14(3.19)58.06(2.29)38.28(1.51)28.81(1.13)63.45(2.5)48.14(1.9)
Average precipitation days (≥ 1.0 mm)2.273.183.092.734.365.365.556.364.02.452.642.823.73
Average relative humidity (%)64.8472.5965.2566.4869.5470.4270.2673.6374.3771.2768.571.6669.9
Mean monthly sunshine hours8.598.79.4610.3510.6510.6910.8610.2510.379.939.118.459.78

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Sumter in recent years.

Sumter

Sumter Temperature by Month

July
29.39°C | 84.9°F
August
28.59°C | 83.46°F
June
27.74°C | 81.93°F
September
26.42°C | 79.56°F
May
24.77°C | 76.59°F
October
21.49°C | 70.68°F
April
18.7°C | 65.66°F
March
14.67°C | 58.41°F
November
13.89°C | 57.0°F
February
13.51°C | 56.32°F
December
10.78°C | 51.4°F
January
9.18°C | 48.52°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature36.0°C (96.8°F)31.33°C (88.39°F)23.0°C (73.4°F)
Avg Temperature32.0°C (89.6°F)27.77°C (81.99°F)21.0°C (69.8°F)
Min Temperature24.0°C (75.2°F)21.0°C (69.8°F)15.0°C (59.0°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)18.33°C (64.99°F)9.0°C (48.2°F)
PrecipitationMaxAverageMinSum
Precipitation37.2mm | 1.46in7.11mm | 0.28in0.0mm | 0in213.4mm | 8.4in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind17.0kmh | 10.56mph10.63kmh | 6.61mph6.0kmh | 3.73mph
Gust Wind26.0kmh | 16.16mph16.87kmh | 10.48mph10.0kmh | 6.21mph
Sea Level PressureMaxAverageMin
Sea Level Pressure37.2mb7.11mb0.0mb
Sumter

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-06-0128 | 82.413 | 55.4518 | 4.9729.85 | 10110.0 | 0.0
2019-06-0230 | 86.014 | 57.2466 | 3.7329.83 | 10100.0 | 0.0
2019-06-0329 | 84.215 | 59.05214 | 8.729.91 | 10130.0 | 0.0
2019-06-0426 | 78.818 | 64.47012 | 7.4630.09 | 10196.0 | 0.24
2019-06-0528 | 82.421 | 69.88012 | 7.4630.0 | 101613.4 | 0.53
2019-06-0626 | 78.821 | 69.88313 | 8.0829.88 | 101214.2 | 0.56
2019-06-0726 | 78.821 | 69.8849 | 5.5929.83 | 101013.8 | 0.54
2019-06-0827 | 80.622 | 71.6837 | 4.3529.85 | 101129.4 | 1.16
2019-06-0926 | 78.822 | 71.6849 | 5.5929.94 | 101430.8 | 1.21
2019-06-1027 | 80.622 | 71.6829 | 5.5929.94 | 101437.2 | 1.46
2019-06-1126 | 78.819 | 66.27314 | 8.729.97 | 10159.8 | 0.39
2019-06-1221 | 69.817 | 62.68114 | 8.729.97 | 10155.4 | 0.21
2019-06-1324 | 75.215 | 59.06915 | 9.3229.91 | 10130.0 | 0.0
2019-06-1423 | 73.49 | 48.24811 | 6.8430.15 | 10210.0 | 0.0
2019-06-1525 | 77.012 | 53.6567 | 4.3530.15 | 10210.0 | 0.0
2019-06-1628 | 82.420 | 68.07311 | 6.8430.03 | 10170.4 | 0.02
2019-06-1730 | 86.021 | 69.86912 | 7.4630.03 | 101710.5 | 0.41
2019-06-1828 | 82.421 | 69.87710 | 6.2129.97 | 101516.4 | 0.65
2019-06-1928 | 82.422 | 71.67913 | 8.0829.83 | 10107.7 | 0.3
2019-06-2030 | 86.021 | 69.86917 | 10.5629.77 | 10081.4 | 0.06
2019-06-2130 | 86.017 | 62.65613 | 8.0829.91 | 10130.0 | 0.0
2019-06-2229 | 84.219 | 66.26611 | 6.8429.97 | 10158.0 | 0.31
2019-06-2327 | 80.621 | 69.8797 | 4.3530.0 | 10166.9 | 0.27
2019-06-2431 | 87.820 | 68.06611 | 6.8429.91 | 10131.1 | 0.04
2019-06-2530 | 86.018 | 64.45911 | 6.8429.94 | 10141.0 | 0.04
2019-06-2629 | 84.216 | 60.8559 | 5.5930.09 | 10190.0 | 0.0
2019-06-2729 | 84.217 | 62.6579 | 5.5930.15 | 10210.0 | 0.0
2019-06-2830 | 86.018 | 64.4608 | 4.9730.15 | 10210.0 | 0.0
2019-06-2930 | 86.019 | 66.2667 | 4.3530.12 | 10200.0 | 0.0
2019-06-3032 | 89.619 | 66.26010 | 6.2129.97 | 10150.0 | 0.0

Sumter 3 Year Historical Weather Data

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