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
Lyle's temperature records reveal December as the coldest month, marked by average highs of 37°F (2.8°C) and lows of 27.1°F (-2.7°C).Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In December, the rain falls for 15.5 days. Throughout December, 2.87" (73mm) of precipitation is accumulated. In Lyle, during the entire year, the rain falls for 133.5 days and collects up to 16.93" (430mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Lyle, in December, snow falls for 4.4 days, with typically accumulated 2.99" (76mm) of snow. In Lyle, during the entire year, snow falls for 14.3 days and aggregates up to 11.06" (281mm) of snow.Daylight
December has the shortest days of the year in Lyle, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:22 pm. On the last day of December, in Lyle, sunrise is at 7:45 am and sunset at 4:31 pm PST.
Sunshine
The average sunshine in December is 5h.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 low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Lyle?
How cold is December in Lyle?
What are the most humid months in Lyle?
What is the average humidity in December in Lyle?
How many days does it rain in December in Lyle?
How much does it snow in Lyle in December?
What is the month with the shortest days in Lyle?
How many hours of daylight does Lyle have in December?
When is the sunrise / sunset in December in Lyle?
How many hours of sunshine does Lyle have in December?
What is the month with the lowest UV index in Lyle?
What is the UV index reading in December in Lyle?
Average temperature in December
Lyle, WA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in December
Lyle, WA
- 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 August (29.96"Hg).
Average wind speed in December
Lyle, WA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in December
Lyle, WA
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in December
Lyle, WA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Lyle, WA
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in December
Lyle, WA
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lyle, WA
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is December (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Lyle, WA
- Average daylight in December: 8h and 5min
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 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Lyle, WA
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in December
Lyle, WA
- 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, November and December (UV index 2).
Average cloud cover in December
Lyle, WA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Lyle, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Lyle, Washington, USA
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