December weather forecastGoldstone, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Goldstone, Montana, with an average temperature ranging between max 27.1°F (-2.7°C) and min 15.4°F (-9.2°C).Temperature
Goldstone experiences lowest temperatures, averaging a high-temperature of 27.1°F (-2.7°C) during January and December.Humidity
The average relative humidity in December is 80%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.4 days and typically collects 0.31" (8mm) of precipitation.Snowfall
Months with snowfall in Goldstone are January through May, September through December. In Goldstone, Montana, in December, snow falls for 10.5 days, with typically accumulated 1.97" (50mm) of snow. In Goldstone, during the entire year, snow falls for 53.5 days and aggregates up to 14.25" (362mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 7:55 am and sunset at 4:27 pm. On the last day of December, sunrise is at 8:15 am and sunset at 4:35 pm MST.
Sunshine
In December, the average sunshine in Goldstone is 5.4h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Goldstone, MT
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (27.1°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in December
Goldstone, MT
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Goldstone, MT
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Goldstone, MT
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Goldstone, MT
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in December
Goldstone, MT
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Goldstone, MT
- Average snowfall in December: 1.97"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Goldstone, MT
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Goldstone, MT
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Goldstone, MT
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Goldstone, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Goldstone, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in December
Goldstone, 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).
