Boulder, Montana, United States Climate

Weather: 8.69°C/47.64°F, Wind SW at 2.68 km/h, 53% Humidity, 0% Chance of rain

United States
(Photo by Ben Owen on Unsplash)
Contents

Boulder Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Boulder has a Mid-latitude steppe climate (Classification: BSk). The district’s yearly temperature is 5.68ºC (42.22ºF) and it is -6.96% lower than United States’s averages. Boulder typically receives about 17.72 millimeters (0.7 inches) of precipitation and has 36.08 rainy days (9.88% of the time) annually.

CountryUnited States
CityMontana
Longitude-112.1208336
Latitude46.2365947
Attitude/ElevationNonem (0ft)
Local timeSunday 20:18
Annual high temperature10.46ºC (50.83ºF)
Annual low temperature-1.9ºC (28.58ºF)
Average annual precip.17.72mm (0.7in)
Warmest monthJuly (25.59ºC / 78.06ºF)
Coldest MonthFebruary (-13.56ºC / 7.59ºF)
Wettest MonthJune (45.71mm / 1.8in)
Driest MonthDecember (4.8mm / 0.19in)
Number of days with rainfall (≥ 1.0 mm)36.08 days (9.88%)
Days with no rain328.92 days (90.12%)
Humidity64.9%

Climate Boulder: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)6.0(42.8)8.0(46.4)11.0(51.8)23.0(73.4)26.0(78.8)28.0(82.4)33.0(91.4)36.0(96.8)31.0(87.8)24.0(75.2)17.0(62.6)8.0(46.4)36.0(96.8)
Average high °C (°F)0.2(32.36)-3.45(25.79)2.85(37.13)8.43(47.17)15.4(59.72)19.3(66.74)25.59(78.06)25.56(78.01)19.59(67.26)8.84(47.91)3.57(38.43)-0.34(31.39)10.46(50.83)
Daily mean °C (°F)-4.31(24.24)-7.67(18.19)-1.4(29.48)4.24(39.63)11.0(51.8)14.58(58.24)19.63(67.33)19.97(67.95)14.28(57.7)3.75(38.75)-1.32(29.62)-4.55(23.81)5.68(42.22)
Average low °C (°F)-9.13(15.57)-13.56(7.59)-8.22(17.2)-3.48(25.74)2.43(36.37)5.32(41.58)8.53(47.35)9.19(48.54)5.13(41.23)-3.4(25.88)-6.86(19.65)-8.74(16.27)-1.9(28.58)
Record low °C (°F)-19.0(-2.2)-26.0(-14.8)-30.0(-22.0)-17.0(1.4)-6.0(21.2)-3.0(26.6)0.0(0)1.0(33.8)-10.0(14.0)-21.0(-5.8)-17.0(1.4)-21.0(-5.8)-30.0(-22.0)
Average precipitation mm (inches)9.65(0.38)21.98(0.87)14.25(0.56)26.41(1.04)25.67(1.01)45.71(1.8)13.16(0.52)12.74(0.5)11.55(0.45)17.41(0.69)9.27(0.36)4.8(0.19)17.72(0.7)
Average precipitation days (≥ 1.0 mm)2.734.363.093.914.274.452.552.182.093.092.091.273.01
Average relative humidity (%)77.1580.3275.2569.0164.7261.049.8145.2851.6863.9569.4771.1964.9
Mean monthly sunshine hours7.398.810.1510.4113.1115.3715.211.3811.169.948.346.1810.62

Climate Graph

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

Boulder

Boulder Temperature by Month

August
19.97°C | 67.95°F
July
19.63°C | 67.33°F
June
14.58°C | 58.24°F
September
14.28°C | 57.7°F
May
11.0°C | 51.8°F
April
4.24°C | 39.63°F
October
3.75°C | 38.75°F
November
-1.32°C | 29.62°F
March
-1.4°C | 29.48°F
January
-4.31°C | 24.24°F
December
-4.55°C | 23.81°F
February
-7.67°C | 18.19°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)25.19°C (77.34°F)9.0°C (48.2°F)
Avg Temperature28.0°C (82.4°F)19.77°C (67.59°F)8.0°C (46.4°F)
Min Temperature15.0°C (59.0°F)9.26°C (48.67°F)1.0°C (33.8°F)
Dew PointMaxAverageMin
Dew Point8.0°C (46.4°F)2.58°C (36.64°F)-2.0°C (28.4°F)
PrecipitationMaxAverageMinSum
Precipitation19.6mm | 0.77in1.09mm | 0.04in0.0mm | 0in33.7mm | 1.33in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind15.0kmh | 9.32mph7.94kmh | 4.93mph4.0kmh | 2.49mph
Gust Wind22.0kmh | 13.67mph12.0kmh | 7.46mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure19.6mb1.09mb0.0mb
Boulder

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-08-0125 | 77.06 | 42.8417 | 4.3529.94 | 10140.5 | 0.02
2018-08-0225 | 77.05 | 41.0388 | 4.9729.85 | 10110.2 | 0.01
2018-08-0321 | 69.80 | 32.0319 | 5.5929.85 | 10110.3 | 0.01
2018-08-0418 | 64.40 | 32.0397 | 4.3529.94 | 10140.1 | 0.0
2018-08-0517 | 62.65 | 41.0548 | 4.9730.03 | 10171.3 | 0.05
2018-08-0620 | 68.04 | 39.2495 | 3.1130.12 | 10200.0 | 0.0
2018-08-0721 | 69.82 | 35.6367 | 4.3530.06 | 10180.0 | 0.0
2018-08-0824 | 75.23 | 37.4334 | 2.4930.03 | 10170.0 | 0.0
2018-08-0926 | 78.82 | 35.6285 | 3.1130.06 | 10180.0 | 0.0
2018-08-1028 | 82.42 | 35.6266 | 3.7330.0 | 10160.0 | 0.0
2018-08-1128 | 82.43 | 37.4276 | 3.7329.88 | 10120.0 | 0.0
2018-08-1224 | 75.24 | 39.23411 | 6.8429.91 | 10130.1 | 0.0
2018-08-1319 | 66.23 | 37.4418 | 4.9730.03 | 10170.0 | 0.0
2018-08-1420 | 68.03 | 37.4485 | 3.1129.97 | 10150.4 | 0.02
2018-08-1523 | 73.4-2 | 28.4288 | 4.9729.94 | 10140.0 | 0.0
2018-08-1624 | 75.2-1 | 30.2255 | 3.1130.03 | 10170.0 | 0.0
2018-08-1724 | 75.23 | 37.4334 | 2.4930.06 | 10180.3 | 0.01
2018-08-1819 | 66.28 | 46.4569 | 5.5930.12 | 10203.7 | 0.15
2018-08-1919 | 66.24 | 39.2486 | 3.7330.12 | 10200.7 | 0.03
2018-08-2014 | 57.24 | 39.26212 | 7.4630.12 | 10204.7 | 0.19
2018-08-2113 | 55.45 | 41.0676 | 3.7330.21 | 10230.3 | 0.01
2018-08-2218 | 64.44 | 39.2558 | 4.9730.0 | 10160.0 | 0.0
2018-08-2320 | 68.03 | 37.44215 | 9.3229.85 | 10110.0 | 0.0
2018-08-2419 | 66.21 | 33.83710 | 6.2129.8 | 10090.0 | 0.0
2018-08-2518 | 64.4-0 | 32.0397 | 4.3529.88 | 10120.0 | 0.0
2018-08-2614 | 57.21 | 33.84711 | 6.8429.8 | 10091.4 | 0.06
2018-08-278 | 46.44 | 39.27810 | 6.2129.91 | 101319.6 | 0.77
2018-08-2812 | 53.6-0 | 32.0609 | 5.5930.09 | 10190.1 | 0.0
2018-08-2917 | 62.61 | 33.8439 | 5.5929.94 | 10140.0 | 0.0
2018-08-3019 | 66.21 | 33.84011 | 6.8429.85 | 10110.0 | 0.0
2018-08-3116 | 60.82 | 35.64710 | 6.2129.91 | 10130.0 | 0.0

Boulder 3 Year Historical Weather Data

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