Longmont, Colorado, United States Climate

Weather: 3.55°C/38.39°F, Wind SW at 6.17 km/h, 87% Humidity, 0% Chance of rain

United States
(Photo by Jeremy Thomas on Unsplash)
Contents

Longmont Climate Summary

Located at an elevation of 1517.81 meters (4979.69 feet) above sea level, Longmont has a Mid-latitude steppe climate (Classification: BSk). The district’s yearly temperature is 11.63ºC (52.93ºF) and it is -1.01% lower than United States’s averages. Longmont typically receives about 15.48 millimeters (0.61 inches) of precipitation and has 29.9 rainy days (8.19% of the time) annually.

CountryUnited States
CityColorado
Longitude-105.1019275
Latitude40.1672068
Attitude/Elevation1517.81m (4979.69ft)
Local timeFriday 23:03
Annual high temperature16.13ºC (61.03ºF)
Annual low temperature5.14ºC (41.25ºF)
Average annual precip.15.48mm (0.61in)
Warmest monthAugust (30.45ºC / 86.81ºF)
Coldest MonthFebruary (-6.55ºC / 20.21ºF)
Wettest MonthJuly (32.43mm / 1.28in)
Driest MonthDecember (4.33mm / 0.17in)
Number of days with rainfall (≥ 1.0 mm)29.9 days (8.19%)
Days with no rain335.1 days (91.81%)
Humidity49.16%

Climate Longmont: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)15.0(59.0)19.0(66.2)19.0(66.2)27.0(80.6)31.0(87.8)35.0(95.0)37.0(98.6)36.0(96.8)37.0(98.6)31.0(87.8)25.0(77.0)15.0(59.0)37.0(98.6)
Average high °C (°F)5.45(41.81)2.34(36.21)9.1(48.38)13.92(57.06)19.72(67.5)26.86(80.35)30.37(86.67)30.45(86.81)26.5(79.7)15.11(59.2)9.36(48.85)4.34(39.81)16.13(61.03)
Daily mean °C (°F)0.74(33.33)-1.65(29.03)5.22(41.4)9.78(49.6)15.51(59.92)22.37(72.27)25.49(77.88)25.44(77.79)21.53(70.75)10.23(50.41)4.6(40.28)0.27(32.49)11.63(52.93)
Average low °C (°F)-3.86(25.05)-6.55(20.21)-0.05(31.91)3.11(37.6)8.39(47.1)14.43(57.97)17.49(63.48)16.88(62.38)13.39(56.1)3.34(38.01)-1.04(30.13)-3.83(25.11)5.14(41.25)
Record low °C (°F)-17.0(1.4)-21.0(-5.8)-23.0(-9.4)-12.0(10.4)-1.0(30.2)4.0(39.2)9.0(48.2)10.0(50.0)-7.0(19.4)-16.0(3.2)-15.0(5.0)-13.0(8.6)-23.0(-9.4)
Average precipitation mm (inches)5.92(0.23)13.22(0.52)15.94(0.63)11.51(0.45)28.88(1.14)22.26(0.88)32.43(1.28)18.23(0.72)15.19(0.6)9.24(0.36)8.55(0.34)4.33(0.17)15.48(0.61)
Average precipitation days (≥ 1.0 mm)1.02.02.452.184.363.455.03.641.911.911.270.732.49
Average relative humidity (%)52.0963.4455.4250.453.4341.7443.4940.5837.5747.7650.7253.2449.16
Mean monthly sunshine hours8.839.6610.6710.7713.5714.1214.2111.6411.3910.428.137.9310.95

Climate Graph

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

Longmont

Longmont Temperature by Month

July
25.49°C | 77.88°F
August
25.44°C | 77.79°F
June
22.37°C | 72.27°F
September
21.53°C | 70.75°F
May
15.51°C | 59.92°F
October
10.23°C | 50.41°F
April
9.78°C | 49.6°F
March
5.22°C | 41.4°F
November
4.6°C | 40.28°F
January
0.74°C | 33.33°F
December
0.27°C | 32.49°F
February
-1.65°C | 29.03°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature31.0°C (87.8°F)18.13°C (64.63°F)-10.0°C (14.0°F)
Avg Temperature24.0°C (75.2°F)12.42°C (54.36°F)-14.0°C (6.8°F)
Min Temperature12.0°C (53.6°F)3.45°C (38.21°F)-16.0°C (3.2°F)
Dew PointMaxAverageMin
Dew Point1.0°C (33.8°F)-4.77°C (23.41°F)-16.0°C (3.2°F)
PrecipitationMaxAverageMinSum
Precipitation10.2mm | 0.4in0.59mm | 0.02in0.0mm | 0in18.2mm | 0.72in
Snowdepth8.7mm | 0.34in0.48mm | 0.02in0.0mm | 0in14.899999999999999mm | 0.59in
WindMaxAverageMin
Wind21.0kmh | 13.05mph8.32kmh | 5.17mph4.0kmh | 2.49mph
Gust Wind32.0kmh | 19.88mph13.65kmh | 8.48mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure10.2mb0.59mb0.0mb
Longmont

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-10-0114 | 57.21 | 33.8496 | 3.7330.27 | 10250.0 | 0.0
2020-10-0219 | 66.2-4 | 24.8286 | 3.7330.06 | 10180.0 | 0.0
2020-10-0317 | 62.61 | 33.8436 | 3.7330.09 | 10190.0 | 0.0
2020-10-0420 | 68.0-1 | 30.2386 | 3.7330.06 | 10180.0 | 0.0
2020-10-0522 | 71.6-6 | 21.22211 | 6.8430.03 | 10170.0 | 0.0
2020-10-0622 | 71.6-4 | 24.8286 | 3.7330.09 | 10190.0 | 0.0
2020-10-0723 | 73.4-6 | 21.2199 | 5.5930.03 | 10170.0 | 0.0
2020-10-0824 | 75.2-7 | 19.4207 | 4.3529.91 | 10130.0 | 0.0
2020-10-0924 | 75.2-7 | 19.4177 | 4.3529.85 | 10110.0 | 0.0
2020-10-1021 | 69.8-3 | 26.6267 | 4.3529.83 | 10100.0 | 0.0
2020-10-1117 | 62.6-4 | 24.82721 | 13.0529.77 | 10080.5 | 0.02
2020-10-1216 | 60.8-5 | 23.0339 | 5.5930.03 | 10170.0 | 0.0
2020-10-1317 | 62.6-6 | 21.2258 | 4.9730.03 | 10170.0 | 0.0
2020-10-1420 | 68.0-6 | 21.22217 | 10.5629.88 | 10120.0 | 0.0
2020-10-159 | 48.2-9 | 15.8308 | 4.9730.24 | 10240.0 | 0.0
2020-10-1610 | 50.0-7 | 19.4415 | 3.1130.18 | 10220.0 | 0.0
2020-10-1717 | 62.6-5 | 23.03316 | 9.9429.83 | 10100.0 | 0.0
2020-10-184 | 39.2-2 | 28.4706 | 3.7330.03 | 10170.0 | 0.0
2020-10-1915 | 59.0-3 | 26.6445 | 3.1129.88 | 10120.0 | 0.0
2020-10-2017 | 62.6-4 | 24.8348 | 4.9729.88 | 10120.0 | 0.0
2020-10-2113 | 55.4-1 | 30.2556 | 3.7329.85 | 10110.0 | 0.0
2020-10-2213 | 55.4-5 | 23.03714 | 8.729.85 | 10110.0 | 0.0
2020-10-23-2 | 28.4-7 | 19.4746 | 3.7330.27 | 10250.2 | 0.01
2020-10-247 | 44.6-5 | 23.0589 | 5.5929.8 | 10090.0 | 0.0
2020-10-25-10 | 14.0-11 | 12.28613 | 8.0830.33 | 102710.2 | 0.4
2020-10-26-14 | 6.8-16 | 3.2846 | 3.7330.62 | 10377.3 | 0.29
2020-10-27-3 | 26.6-9 | 15.8745 | 3.1130.42 | 10300.0 | 0.0
2020-10-284 | 39.2-2 | 28.4765 | 3.1130.15 | 10210.0 | 0.0
2020-10-296 | 42.81 | 33.8764 | 2.4930.18 | 10220.0 | 0.0
2020-10-3011 | 51.8-1 | 30.2545 | 3.1130.09 | 10190.0 | 0.0
2020-10-3112 | 53.6-5 | 23.03811 | 6.8430.12 | 10200.0 | 0.0

Longmont 3 Year Historical Weather Data

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