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
In Harvard, December is the month with the lowest recorded average temperatures, measuring a high of 34°F (1.1°C) and a low of 24.1°F (-4.4°C).Humidity
The average relative humidity in December in Harvard is 86%.Rainfall
December is the month with the most rainfall in Harvard. Rain falls for 11.6 days and accumulates 2.68" (68mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Harvard, in December, snow falls for 14.1 days, with typically accumulated 11.14" (283mm) of snow. In Harvard, during the entire year, snow falls for 60.2 days and aggregates up to 47.24" (1200mm) of snow.Daylight
December has the shortest days of the year in Harvard, Idaho, with an average of 8h and 36min of daylight.On the first day of December in Harvard, sunrise is at 7:12 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:08 pm PST.
Sunshine
January, February and December, with an average of 4.5h of sunshine, are months with the least sunshine.UV index
In Harvard, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Harvard?
How cold is December in Harvard?
What is the average humidity in December in Harvard?
What is the rainiest month in Harvard?
How much does it rain in Harvard in December?
How much does it snow in Harvard in December?
What is the month with the shortest days in Harvard?
What is the average length of the day in December in Harvard?
When are sunrise and sunset in December in Harvard?
What are the months with the least sunshine in Harvard?
How many hours of sunshine does Harvard have in December?
What is the UV index intensity in December in Harvard?
Average temperature in December
Harvard, ID
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in December
Harvard, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Harvard, ID
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in December
Harvard, ID
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Harvard, ID
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in December
Harvard, ID
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in December
Harvard, ID
- Average snowfall in December: 11.14"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Harvard, ID
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Harvard, ID
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in December
Harvard, ID
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Harvard, ID
- 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 February (UV index 1).
Average cloud cover in December
Harvard, ID
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Harvard, ID
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Harvard, Idaho, USA
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