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, on average, is the coldest month, registering a high temperature of 31.1°F (-0.5°C) and a low of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity is 74%.Rainfall
In Melstone, in December, during 5.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Melstone, during the entire year, the rain falls for 114.3 days and collects up to 12.13" (308mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Melstone, Montana, in December, during 9.6 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, in Melstone, there are 53.5 snowfall days, and 18.58" (472mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:25 pm. On the last day of December, in Melstone, sunrise is at 7:55 am and sunset at 4:34 pm MST.
Sunshine
The months with the least sunshine are February and December, with an average of 5.2h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the coldest time of year in Melstone?
How cold is December in Melstone?
What is the average humidity in December in Melstone?
How much does it rain in Melstone in December?
How many days does it snow in December in Melstone?
What is the month with the shortest days in Melstone?
How many hours of daylight does Melstone have in December?
When are sunrise and sunset in December in Melstone?
What are the months with the least sunshine in Melstone?
How many hours of sunshine does Melstone have in December?
When is the lowest UV index in Melstone?
What is the UV index reading in December in Melstone?
Average temperature in December
Melstone, MT
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in December
Melstone, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Melstone, MT
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in December
Melstone, MT
- Average humidity in December: 74%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Melstone, MT
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Melstone, MT
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Melstone, MT
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Melstone, MT
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Melstone, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Melstone, MT
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Melstone, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Melstone, MT
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in December
Melstone, 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).
Melstone, Montana, USA
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