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
The coldest period is December, when temperatures fluctuate between an average high of 42.6°F (5.9°C) and a low of 31.1°F (-0.5°C).Humidity
In Mehama, the average relative humidity in December is 85%.Rainfall
December is the month with the most rainfall. Rain falls for 18.9 days and accumulates 6.65" (169mm) of precipitation.Snowfall
Months with snowfall in Mehama, Oregon, are January through April, November and December. In Mehama, Oregon, in December, snow falls for 2.1 days, with typically accumulated 1.1" (28mm) of snow. Throughout the year, there are 14.4 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
The month with the shortest days in Mehama is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:39 pm PST.
Sunshine
In Mehama, the average sunshine in December is 3.8h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What part of the year is the coldest in Mehama?
How cold does it get in Mehama in December?
What is the average humidity in December in Mehama?
What is the wettest month in Mehama?
How many days does it rain in December in Mehama?
How much does it snow in Mehama in December?
What is the month with the shortest days in Mehama?
What is the average length of the day in December in Mehama?
When is the sunrise / sunset in December in Mehama?
How long on average sun shines in December in Mehama?
How high is the UV index in December in Mehama?
Average temperature in December
Mehama, OR
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in December
Mehama, OR
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Mehama, OR
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is January (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Mehama, OR
- Average humidity in December: 85%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Mehama, OR
- Average rainfall in December: 6.65"
The wettest month (with the highest rainfall) is December (6.65").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Mehama, OR
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is July (5.4 days).
Average snowfall in December
Mehama, OR
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mehama, OR
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (5.3 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
Mehama, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Mehama, OR
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Mehama, OR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Mehama, OR
- Average cloud cover in December: 59
The months with the most cloud cover are February and March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Mehama, OR
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
Mehama, Oregon, USA
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