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
With an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 20.8°F (-6.2°C), December is the coldest month.Humidity
The average relative humidity in December is 85%.Rainfall
The wettest months are February and December, with an average 2.68" (68mm) of rainfall.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 4.9 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Lehman Springs, during the entire year, snow falls for 20.1 days and aggregates up to 10.35" (263mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:13 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:22 pm PST.
Sunshine
January and December, with an average of 4.5h of sunshine, are months with the least sunshine.UV index
January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How many days does it snow in December in Lehman Springs?
What is the month with the shortest days?
How many hours of daylight does Lehman Springs have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Lehman Springs have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Lehman Springs, OR
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in December
Lehman Springs, OR
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Lehman Springs, OR
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in December
Lehman Springs, OR
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Lehman Springs, OR
- Average rainfall in December: 2.68"
The wettest months (with the highest rainfall) are February and December (2.68").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Lehman Springs, OR
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in December
Lehman Springs, OR
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lehman Springs, OR
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lehman Springs, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in December
Lehman Springs, OR
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Lehman Springs, OR
- 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, March, April, November and December (UV index 2).
Average cloud cover in December
Lehman Springs, OR
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Lehman Springs, OR
- 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).
Lehman Springs, Oregon, USA
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