Helena Weather In December 2020

Historical Data for December 2020 in Helena, United States

Summary
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TemperatureMaxAverageMin
Max Temperature8.0°C (46.4°F)1.68°C (35.02°F)-5.0°C (23.0°F)
Avg Temperature4.0°C (39.2°F)-1.61°C (29.1°F)-7.0°C (19.4°F)
Min Temperature0.0°C (0°F)-5.77°C (21.61°F)-12.0°C (10.4°F)
Dew PointMaxAverageMin
Dew Point-2.0°C (28.4°F)-8.1°C (17.42°F)-13.0°C (8.6°F)
PrecipitationMaxAverageMinSum
Precipitation5.7mm | 0.22in0.42mm | 0.02in0.0mm | 0in12.9mm | 0.51in
Snowdepth4.4mm | 0.17in0.33mm | 0.01in0.0mm | 0in10.200000000000001mm | 0.4in
WindMaxAverageMin
Wind18.0kmh | 11.18mph6.74kmh | 4.19mph2.0kmh | 1.24mph
Gust Wind33.0kmh | 20.51mph11.87kmh | 7.38mph3.0kmh | 1.86mph
Sea Level PressureMaxAverageMin
Sea Level Pressure5.7mb0.42mb0.0mb

December 2020 Graph

December 2020 - Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-12-01-1 | 30.2-6 | 21.27110 | 6.2130.42 | 10302.9 | 0.11
2020-12-02-2 | 28.4-9 | 15.8684 | 2.4930.56 | 10350.0 | 0.0
2020-12-03-0 | 32.0-12 | 10.4435 | 3.1130.36 | 10280.0 | 0.0
2020-12-041 | 33.8-8 | 17.6554 | 2.4930.39 | 10290.0 | 0.0
2020-12-051 | 33.8-8 | 17.6565 | 3.1130.33 | 10270.0 | 0.0
2020-12-062 | 35.6-9 | 15.8505 | 3.1130.27 | 10250.0 | 0.0
2020-12-072 | 35.6-8 | 17.6516 | 3.7330.36 | 10280.0 | 0.0
2020-12-084 | 39.2-8 | 17.6427 | 4.3530.18 | 10220.0 | 0.0
2020-12-093 | 37.4-6 | 21.2575 | 3.1130.06 | 10180.0 | 0.0
2020-12-10-1 | 30.2-6 | 21.2742 | 1.2430.21 | 10230.0 | 0.0
2020-12-11-3 | 26.6-7 | 19.4752 | 1.2430.06 | 10180.2 | 0.01
2020-12-12-4 | 24.8-7 | 19.4804 | 2.4930.21 | 10230.3 | 0.01
2020-12-13-5 | 23.0-12 | 10.4645 | 3.1130.21 | 10230.0 | 0.0
2020-12-14-3 | 26.6-6 | 21.2845 | 3.1130.12 | 10201.5 | 0.06
2020-12-15-3 | 26.6-8 | 17.6728 | 4.9730.12 | 10200.0 | 0.0
2020-12-16-1 | 30.2-6 | 21.2749 | 5.5930.03 | 10170.5 | 0.02
2020-12-17-1 | 30.2-5 | 23.0777 | 4.3529.77 | 10080.0 | 0.0
2020-12-18-2 | 28.4-7 | 19.4708 | 4.9730.12 | 10200.0 | 0.0
2020-12-19-2 | 28.4-7 | 19.46418 | 11.1830.06 | 10180.8 | 0.03
2020-12-200 | 32.0-6 | 21.26417 | 10.5629.97 | 10150.0 | 0.0
2020-12-212 | 35.6-2 | 28.4778 | 4.9729.83 | 10100.4 | 0.02
2020-12-22-5 | 23.0-8 | 17.67117 | 10.5629.94 | 10145.7 | 0.22
2020-12-23-7 | 19.4-13 | 8.6637 | 4.3530.5 | 10330.5 | 0.02
2020-12-24-5 | 23.0-13 | 8.6556 | 3.7330.36 | 10280.0 | 0.0
2020-12-25-2 | 28.4-10 | 14.0534 | 2.4930.09 | 10190.0 | 0.0
2020-12-26-2 | 28.4-8 | 17.6665 | 3.1129.91 | 10130.0 | 0.0
2020-12-27-3 | 26.6-9 | 15.8667 | 4.3530.15 | 10210.1 | 0.0
2020-12-28-4 | 24.8-10 | 14.0663 | 1.8630.15 | 10210.0 | 0.0
2020-12-29-4 | 24.8-11 | 12.2613 | 1.8630.18 | 10220.0 | 0.0
2020-12-30-2 | 28.4-9 | 15.8618 | 4.9730.06 | 10180.0 | 0.0
2020-12-31-3 | 26.6-7 | 19.4755 | 3.1130.03 | 10170.0 | 0.0
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