Spearfish, South Dakota, United States Climate

Weather: 8.76°C/47.77°F, Wind SW at 0.45 km/h, 78% Humidity, 0% Chance of rain

Spearfish Climate Summary

Located at an elevation of 1109.38 meters (3639.7 feet) above sea level, Spearfish has a Humid continental, no dry season, warm summer climate (Classification: Dfb). The district’s yearly temperature is 9.15ºC (48.47ºF) and it is -3.49% lower than United States’s averages. Spearfish typically receives about 19.74 millimeters (0.78 inches) of precipitation and has 33.57 rainy days (9.2% of the time) annually.

CountryUnited States
CitySouth Dakota
Longitude-103.8593697
Latitude44.4908172
Attitude/Elevation1109.38m (3639.7ft)
Local timeTuesday 17:49
Annual high temperature13.07ºC (55.53ºF)
Annual low temperature2.7ºC (36.86ºF)
Average annual precip.19.74mm (0.78in)
Warmest monthJuly (29.11ºC / 84.4ºF)
Coldest MonthFebruary (-12.21ºC / 10.02ºF)
Wettest MonthMay (40.64mm / 1.6in)
Driest MonthJanuary (8.07mm / 0.32in)
Number of days with rainfall (≥ 1.0 mm)33.57 days (9.2%)
Days with no rain331.43 days (90.8%)
Humidity62.44%

Climate Spearfish: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)11.0(51.8)17.0(62.6)25.0(77.0)33.0(91.4)36.0(96.8)38.0(100.4)38.0(100.4)35.0(95.0)29.0(84.2)23.0(73.4)15.0(59.0)38.0(100.4)
Average high °C (°F)1.46(34.63)-2.93(26.73)4.73(40.51)10.04(50.07)17.55(63.59)24.7(76.46)29.11(84.4)28.56(83.41)23.37(74.07)10.81(51.46)6.86(44.35)2.63(36.73)13.07(55.53)
Daily mean °C (°F)-1.99(28.42)-6.58(20.16)1.4(34.52)6.46(43.63)13.91(57.04)20.7(69.26)24.47(76.05)23.82(74.88)18.87(65.97)6.51(43.72)2.98(37.36)-0.73(30.69)9.15(48.47)
Average low °C (°F)-6.53(20.25)-12.21(10.02)-4.1(24.62)-0.33(31.41)6.78(44.2)12.91(55.24)15.84(60.51)15.52(59.94)11.19(52.14)0.34(32.61)-2.06(28.29)-4.97(23.05)2.7(36.86)
Record low °C (°F)-23.0(-9.4)-25.0(-13.0)-27.0(-16.6)-14.0(6.8)-3.0(26.6)3.0(37.4)11.0(51.8)8.0(46.4)-2.0(28.4)-19.0(-2.2)-18.0(-0.4)-19.0(-2.2)-27.0(-16.6)
Average precipitation mm (inches)8.07(0.32)14.23(0.56)18.8(0.74)22.45(0.88)40.64(1.6)31.46(1.24)30.83(1.21)23.0(0.91)12.48(0.49)16.35(0.64)9.03(0.36)9.51(0.37)19.74(0.78)
Average precipitation days (≥ 1.0 mm)2.092.452.733.554.093.553.553.641.822.551.911.642.8
Average relative humidity (%)70.5279.0275.4168.1365.8957.8752.9847.3747.6960.3358.565.6362.44
Mean monthly sunshine hours7.438.59.710.912.9613.8714.0612.8411.19.187.767.2810.46

Climate Graph

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

Spearfish

Spearfish Temperature by Month

July
24.47°C | 76.05°F
August
23.82°C | 74.88°F
June
20.7°C | 69.26°F
September
18.87°C | 65.97°F
May
13.91°C | 57.04°F
October
6.51°C | 43.72°F
April
6.46°C | 43.63°F
November
2.98°C | 37.36°F
March
1.4°C | 34.52°F
December
-0.73°C | 30.69°F
January
-1.99°C | 28.42°F
February
-6.58°C | 20.16°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature24.0°C (75.2°F)8.45°C (47.21°F)-8.0°C (17.6°F)
Avg Temperature18.0°C (64.4°F)4.32°C (39.78°F)-11.0°C (12.2°F)
Min Temperature11.0°C (51.8°F)-1.65°C (29.03°F)-16.0°C (3.2°F)
Dew PointMaxAverageMin
Dew Point2.0°C (35.6°F)-4.03°C (24.75°F)-15.0°C (5.0°F)
PrecipitationMaxAverageMinSum
Precipitation33.1mm | 1.3in3.23mm | 0.13in0.0mm | 0in100.0mm | 3.94in
Snowdepth24.3mm | 0.96in2.06mm | 0.08in0.0mm | 0in63.99999999999999mm | 2.52in
WindMaxAverageMin
Wind31.0kmh | 19.26mph17.03kmh | 10.58mph6.0kmh | 3.73mph
Gust Wind45.0kmh | 27.96mph27.35kmh | 16.99mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure33.1mb3.23mb0.0mb
Spearfish

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-10-013 | 37.4-0 | 32.0826 | 3.7330.18 | 10221.1 | 0.04
2019-10-024 | 39.21 | 33.88610 | 6.2130.15 | 10210.7 | 0.03
2019-10-0310 | 50.0-1 | 30.2608 | 4.9730.12 | 10200.3 | 0.01
2019-10-0418 | 64.42 | 35.64919 | 11.8129.83 | 10100.2 | 0.01
2019-10-059 | 48.2-0 | 32.05931 | 19.2629.97 | 10152.8 | 0.11
2019-10-069 | 48.2-3 | 26.64823 | 14.2930.18 | 10220.0 | 0.0
2019-10-0714 | 57.2-6 | 21.2299 | 5.5930.0 | 10160.0 | 0.0
2019-10-0818 | 64.4-5 | 23.02414 | 8.729.62 | 10030.0 | 0.0
2019-10-092 | 35.6-2 | 28.47421 | 13.0529.91 | 10133.5 | 0.14
2019-10-10-6 | 21.2-7 | 19.49625 | 15.5330.39 | 102933.1 | 1.3
2019-10-11-5 | 23.0-8 | 17.68317 | 10.5630.33 | 10272.7 | 0.11
2019-10-12-1 | 30.2-5 | 23.08024 | 14.9130.03 | 10170.0 | 0.0
2019-10-134 | 39.2-3 | 26.66910 | 6.2129.94 | 10140.0 | 0.0
2019-10-1410 | 50.0-0 | 32.06112 | 7.4629.83 | 10100.0 | 0.0
2019-10-153 | 37.4-3 | 26.66920 | 12.4330.24 | 10240.0 | 0.0
2019-10-1613 | 55.4-2 | 28.4457 | 4.3529.97 | 10150.0 | 0.0
2019-10-1718 | 64.4-3 | 26.62813 | 8.0829.56 | 10010.0 | 0.0
2019-10-188 | 46.4-1 | 30.25224 | 14.9129.56 | 10010.0 | 0.0
2019-10-198 | 46.4-6 | 21.24215 | 9.3229.74 | 10070.0 | 0.0
2019-10-203 | 37.41 | 33.88318 | 11.1829.62 | 100329.1 | 1.15
2019-10-212 | 35.6-1 | 30.28018 | 11.1829.97 | 10152.7 | 0.11
2019-10-225 | 41.00 | 32.07721 | 13.0529.94 | 10140.3 | 0.01
2019-10-231 | 33.8-1 | 30.28727 | 16.7830.09 | 101911.3 | 0.44
2019-10-241 | 33.8-6 | 21.26815 | 9.3230.36 | 10282.2 | 0.09
2019-10-2510 | 50.0-3 | 26.64720 | 12.4330.03 | 10170.0 | 0.0
2019-10-263 | 37.4-2 | 28.47121 | 13.0529.85 | 10114.1 | 0.16
2019-10-27-7 | 19.4-11 | 12.27422 | 13.6730.33 | 10271.0 | 0.04
2019-10-28-4 | 24.8-11 | 12.27118 | 11.1830.21 | 10232.2 | 0.09
2019-10-29-11 | 12.2-15 | 5.08115 | 9.3230.53 | 10342.7 | 0.11
2019-10-30-8 | 17.6-15 | 5.06812 | 7.4630.5 | 10330.0 | 0.0
2019-10-31-0 | 32.0-9 | 15.86113 | 8.0830.21 | 10230.0 | 0.0

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