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, on average, is the coldest month, registering a high temperature of 35.6°F (2°C) and a low of 23.9°F (-4.5°C).Humidity
In December, the average relative humidity is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.1 days and typically aggregates up to 1.38" (35mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 7.7 days and accumulates 4.84" (123mm) of snow.Daylight
The month with the shortest days in Nyssa is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 8:03 am and sunset at 5:11 pm. On the last day of December, sunrise is at 8:22 am and sunset at 5:20 pm MST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Nyssa.UV index
The months with the lowest UV index in Nyssa are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What month is the coldest in Nyssa?
How cold is December in Nyssa?
What is the average humidity in December in Nyssa?
What is the rainiest month in Nyssa?
How much does it rain in Nyssa in December?
When does it snow the most in Nyssa?
How many days does it snow in December in Nyssa?
What is the month with the shortest days in Nyssa?
What is the average length of the day in December in Nyssa?
When are sunrise and sunset in December in Nyssa?
What is the month with the least sunshine in Nyssa?
How many hours of sunshine does Nyssa have in December?
What are the months with the lowest UV index in Nyssa?
How high is the UV index in December in Nyssa?
Average temperature in December
Nyssa, OR
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Nyssa, OR
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Nyssa, OR
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in December
Nyssa, OR
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in December
Nyssa, OR
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Nyssa, OR
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is March (13.8 days).
The months with the least rainy days are July and August (2.6 days).
Average snowfall in December
Nyssa, OR
- Average snowfall in December: 4.84"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Nyssa, OR
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is December (7.7 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
Nyssa, OR
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Nyssa, OR
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in December
Nyssa, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Nyssa, OR
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in December
Nyssa, OR
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Nyssa, Oregon, USA
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