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, recording an average high temperature of 30.7°F (-0.7°C) and a low temperature of 18.5°F (-7.5°C), is Haines's coldest month.Humidity
In Haines, the average relative humidity in December is 86%.Rainfall
December is the month with the most rainfall. Rain falls for 8.6 days and accumulates 1.77" (45mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 14.7 days and typically aggregates up to 10.59" (269mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:10 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:20 pm PST.
Sunshine
In Haines, the average sunshine in December is 5.1h.UV index
In Haines, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Haines?
How cold is it in December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Haines have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Haines, OR
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in December
Haines, OR
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in December
Haines, OR
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).
Average humidity in December
Haines, OR
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Haines, OR
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in December
Haines, OR
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in December
Haines, OR
- Average snowfall in December: 10.59"
The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Haines, OR
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Haines, 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 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Haines, OR
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).
Average UV index in December
Haines, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Haines, OR
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Haines, OR
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Haines, Oregon, USA
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