Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December proves to be the coldest month, recording an average maximum temperature of 31.1°F (-0.5°C) and a minimum temperature of 18.9°F (-7.3°C).Humidity
The average relative humidity in December in Lockwood, Montana, is 74%.Rainfall
In Lockwood, during December, the rain falls for 6.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Lockwood, there are 128.5 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Lockwood, during December, snow falls for 12.8 days and regularly aggregates up to 5.24" (133mm) of snow. Throughout the year, there are 64.5 snowfall days, and 31.18" (792mm) of snow is accumulated.Daylight
The month with the shortest days in Lockwood is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:35 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:39 pm MST.
Sunshine
In Lockwood, Montana, the average sunshine in December is 5.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lockwood. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Lockwood?
How cold is December in Lockwood?
What is the average humidity in December in Lockwood?
How much does it rain in Lockwood in December?
How much does it snow in Lockwood in December?
What is the month with the shortest days in Lockwood?
How many hours of daylight does Lockwood have in December?
What time are sunrise and sunset in December in Lockwood?
How many hours of sunshine does Lockwood have in December?
What are the months with the lowest UV index in Lockwood?
What is the UV index reading in December in Lockwood?
Average temperature in December
Lockwood, MT
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in December
Lockwood, MT
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Lockwood, MT
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Lockwood, MT
- Average humidity in December: 74%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Lockwood, MT
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in December
Lockwood, MT
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Lockwood, MT
- Average snowfall in December: 5.24"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Lockwood, MT
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lockwood, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Lockwood, MT
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).
Average UV index in December
Lockwood, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Lockwood, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Lockwood, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lockwood, Montana, USA
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