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
Tiller's coldest temperatures are experienced in December, with average high temperatures of 45.7°F (7.6°C) and lows of 32.2°F (0.1°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
The wettest months are January, February and December, with an average 1.1" (28mm) of rainfall.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.5 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 3.5 snowfall days, and 2.2" (56mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Tiller.On the first day of the month, sunrise is at 7:23 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:47 pm PST.
Sunshine
The month with the least sunshine in Tiller is December, with an average of 4.3h of sunshine.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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What part of the year is the coldest in Tiller?
What are the temperatures in Tiller in December?
What are the most humid months in Tiller?
What is the average humidity in December in Tiller?
What is the rainiest month in Tiller?
How many days does it rain in December in Tiller?
How much does it snow in Tiller in December?
What is the month with the shortest days in Tiller?
What is the average length of the day in December in Tiller?
When is the sunrise / sunset in December in Tiller?
What is the month with the least sunshine in Tiller?
How long on average sun shines in December in Tiller?
What are the months with the lowest UV index in Tiller?
How high is the UV index in December in Tiller?
Average temperature in December
Tiller, OR
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in December
Tiller, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Tiller, OR
- Average wind speed in December: 3.9mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in December
Tiller, OR
- Average humidity in December: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Tiller, OR
- Average rainfall in December: 1.1"
The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in December
Tiller, OR
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).
Average snowfall in December
Tiller, OR
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Tiller, OR
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Tiller, OR
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Tiller, OR
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in December
Tiller, 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, November and December (UV index 2).
Average cloud cover in December
Tiller, OR
- Average cloud cover in December: 56
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Tiller, OR
- Average visibility in December: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Tiller, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
