December weather forecastHatton, WA
December
Weather in December
The first month of the winter, December, is also a wintry month in Hatton, Washington, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 26.2°F (-3.2°C).Temperature
In Hatton, the lowest average temperatures are observed in December, with a high of 36.5°F (2.5°C) and a low of 26.2°F (-3.2°C).Humidity
The average relative humidity in December is 80%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 97 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, September, November and December. In December, it is snowing for 4.1 days. Throughout December, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 14.2 snowfall days, and 5.43" (138mm) 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 December in Hatton, sunrise is at 7:20 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:17 pm PST.
Sunshine
The average sunshine in December is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hatton, WA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in December
Hatton, WA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Hatton, WA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in December
Hatton, WA
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in December
Hatton, WA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is January (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in December
Hatton, WA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Hatton, WA
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
Hatton, WA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Hatton, WA
- Average daylight in December: 8h and 36min
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 18min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Hatton, WA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in December
Hatton, WA
- 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, November and December (UV index 2).
Average cloud cover in December
Hatton, WA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in December
Hatton, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
