United StatesAverage weather for Rainier in December
It's cold in December in Rainier with an average temperature of 8°C. Temperatures this month range from a low of 6°C to a high of 9°C. At night, you can expect temperatures between -1°C and 4°C.
Start of December
The month of December starts in Rainier with cold temps, averaging around 9°C during the day and nights around 3°C. There are plenty of days with a good chance of precipitation.
Mid December
By mid-December, daytime temps drop to around 8°C, with nights around 3°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Rainier is around 7°C, while nighttime temps are about 2°C. There’s a significant chance of many days with precipitation.
In December, there is an average of 251 mm of precipitation, spread over 18 days. Of the total precipitation, about 12 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the Southeast.
Rainier in December |
New York | ||
|---|---|---|---|
 Average temperature |
8°C | 9°C | |
 Max. temperature |
9°C | 12°C | |
| Min. temperature |
6°C | -5°C | |
 Total precipitation |
251 mm | 133 mm | |
| Rainy days |
18 days | 17 days | |
 Total snowfall |
12 cm | 9,7 cm | |
| Snowy days |
6 days | 3 days | |
November
UV index
The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Is December a good time to visit Rainier?
Looking for sun? December isn’t a good month to be in Rainier. There’s too much chance of rain this month.
Temperature records
With 19°C in 2014, Rainier reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -5°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -10°C to a highest value of 12°C.
Check out the climate of Rainier for all months and discover the best travel time
Daily Temperature in December in Rainier
This chart shows the average daily high and low temperatures in December for Rainier, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Rainier
The chart below shows the average daily precipitation in December for Rainier, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 18 days of precipitation in Rainier.
Daily Snowfall in December in Rainier
This chart shows the average daily snowfall in December in Rainier, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV index in December in Rainier
This chart shows the average daily UV index in December in Rainier, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Rainier over the years
This chart shows the average temperature in December in Rainier, measured in degrees Celsius, over the past few years.
Total precipitation in December in Rainier over the years
This chart shows the average precipitation in December in Rainier, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Rainier per year
This chart shows the average snowfall in December in Rainier, measured in centimeters, over the past few years.
Daily weather in December for Rainier
Click on any day in December to get detailed info about the usual weather on that day in Rainier. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Rainier
Have you been to Rainier in December?
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Average weather in Rainier by month
Click on a month below to see detailed weather info for Rainier. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
