December weather forecast
Lyle, WA

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Weather in December

December, the first month of the winter in Lyle, is also a wintry month, with an average temperature ranging between max 37°F and min 27.1°F.

Temperature

Lyle experiences its lowest temperatures in December, with an average peak of 37°F and a low of 27.1°F.

Humidity

January and December, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Lyle, in December, it is raining for 15.5 days, with typically 2.87" of accumulated precipitation. Throughout the year, there are 133.5 rainfall days, and 16.93" of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Lyle. In Lyle, Washington, during December, snow falls for 4.4 days and regularly aggregates up to 2.99" of snow. In Lyle, during the entire year, snow falls for 14.3 days and aggregates up to 11.06" of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:30 pm PST.

Sunshine

The average sunshine in December is 5h.

UV index

The months with the lowest UV index in Lyle are January, February, November and December, with an average maximum UV index of 2. 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: A maximum UV index of 2 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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FAQ

What is the coldest time of year in Lyle?

The coldest time of the year in Lyle, Washington, is December, with temperatures averaging a high of 37°F and a low of 27.1°F.

How cold is December in Lyle?

The high-temperature, in December, in Lyle, records 37°F, while the low-temperature is 27.1°F. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 82.4°F.

What are the most humid months in Lyle?

The months with the highest humidity in Lyle, Washington, are January and December, with an average relative humidity of 85%.

What is the average humidity in December in Lyle?

In December, the average relative humidity in Lyle is 85%.

How many days does it rain in December in Lyle?

In December, the rain falls for 15.5 days. Throughout December, 2.87" of precipitation is accumulated.

How many days does it snow in December in Lyle?

In Lyle, in December, snow falls for 4.4 days, with typically accumulated 2.99" of snow.

What is the month with the shortest days in Lyle?

December has the shortest days of the year in Lyle, Washington, with an average of 8h and 48min of daylight.

How many hours of daylight does Lyle have in December?

In Lyle, Washington, the average day length in December is 8h and 45min.

What time are sunrise and sunset in December in Lyle?

On the first day of December, sunrise is at 7:25 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:30 pm PST.

How many hours of sunshine does Lyle have in December?

In Lyle, Washington, the average sunshine duration in December is 5h.

What is the month with the lowest UV index in Lyle?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Lyle?

In December, the average daily maximum UV index in Lyle is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
45.5°F
37°F
38.1°F
Average low temperature
34.3°F
27.1°F
28.2°F
Average pressure
30.08"Hg
30.14"Hg
30.16"Hg
Average wind speed
5mph
4.8mph
4.8mph
Average max. wind speed
5.7mph
5.3mph
5.5mph
Average wind speed gusts
8.2mph
8.3mph
8.3mph
Average humidity
79%
85%
85%
Average rainfall
1.69"
2.87"
2.99"
Average rainfall days
14.6
15.5
16.2
Average snowfall
0.31"
2.99"
2.68"
Average snowfall days
0.5
4.4
3.5
Average daylight
9h 3min
8h 5min
9h 1min
Average sunshine
5h 5min
5h 0min
4h 5min
Average sunshine days
12
12.1
11.6
Average UV index
2
2
2
Average cloud cover
40%
49%
52%
Average visibility
6mi
5mi
5mi

Average temperature in December
Lyle, WA

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).

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Average pressure in December
Lyle, WA

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).

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Average wind speed in December
Lyle, WA

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).

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Average humidity in December
Lyle, WA

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%).

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Average rainfall in December
Lyle, WA

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").

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Average rainfall days in December
Lyle, WA

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).

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Average snowfall in December
Lyle, WA

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").

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Average snowfall days in December
Lyle, WA

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).

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Average daylight in December /
Average sunshine in December
Lyle, WA

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).

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Average sunshine days in December
Lyle, WA

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).

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Average UV index in December
Lyle, WA

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).

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Average cloud cover in December
Lyle, WA

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).

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Average visibility in December
Lyle, WA

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).

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Lyle, Washington, USA

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