December weather forecastMyrtle, MO
December
Weather in December
December, the first month of the winter in Myrtle, is still a chilly month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 47.1°F (8.4°C).Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a moderate 56.5°F (13.6°C) in November to a frosty 47.1°F (8.4°C). During December nights, Myrtle records an average temperature of 34.2°F (1.2°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Myrtle, in December, it is raining for 10 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Myrtle, there are 148.3 rainfall days, and 35.87" (911mm) of precipitation is accumulated.Snowfall
Months with snowfall in Myrtle are January through March, October through December. In Myrtle, during December, snow falls for 1.4 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, there are 8.6 snowfall days, and 3.78" (96mm) of snow is accumulated.Daylight
The month with the shortest days in Myrtle is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:59 pm CST.
Sunshine
In December, the average sunshine in Myrtle is 5.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Myrtle. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
Myrtle, MO
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Myrtle, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Myrtle, MO
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Myrtle, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Myrtle, MO
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Myrtle, MO
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Myrtle, MO
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Myrtle, MO
- Average snowfall days in December: 1.4 days
The months with the highest number of snowfall days are January and February (2.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Myrtle, MO
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Myrtle, MO
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Myrtle, MO
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Myrtle, MO
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Myrtle, MO
- 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).
