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
December tends to be the coldest month, with temperatures averaging a daily high of 45.7°F (7.6°C) and a low of 34.2°F (1.2°C).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall in Elmira. Rain falls for 14.2 days and accumulates 1.18" (30mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Elmira, in December, snow falls for 0.3 days, with typically accumulated 0.08" (2mm) of snow. In Elmira, during the entire year, snow falls for 3.2 days and aggregates up to 1.02" (26mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:45 pm PST.
Sunshine
In December, the average sunshine is 3.9h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Elmira?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Elmira, OR
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in December
Elmira, OR
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Elmira, OR
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).
Average humidity in December
Elmira, OR
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Elmira, OR
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in December
Elmira, OR
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.1 days).
Average snowfall in December
Elmira, OR
- Average snowfall in December: 0.08"
The month with the highest snowfall is November (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Elmira, OR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Elmira, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Elmira, OR
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in December
Elmira, OR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Elmira, OR
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Elmira, OR
- Average visibility in December: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
Elmira, Oregon, USA
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