December weather forecast
Tendoy, ID

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Weather in December

December, the first month of the winter in Tendoy, is still a freezing cold month, with an average temperature varying between 9.5°F (-12.5°C) and 25.2°F (-3.8°C).

Temperature

In Tendoy, December records the lowest average temperatures, peaking at 25.2°F (-3.8°C) and reaching a low of 9.5°F (-12.5°C).

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Tendoy, Idaho, in December, it is raining for 6.8 days, with typically 0.55" (14mm) of accumulated precipitation. In Tendoy, during the entire year, the rain falls for 129.5 days and collects up to 12.4" (315mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Tendoy, in December, snow falls for 10.4 days, with typically accumulated 2.8" (71mm) of snow. In Tendoy, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) of snow.

Daylight

The month with the shortest days in Tendoy is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 7:53 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:03 pm MST.

Sunshine

The average sunshine in December is 5.2h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Tendoy. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Tendoy?

Tendoy's December weather, marked by an average high temperature of 25.2°F (-3.8°C) and an average low temperature of 9.5°F (-12.5°C), is the coldest in the year.

How cold is December in Tendoy?

The high-temperature, in December, in Tendoy, is 25.2°F (-3.8°C), while the low-temperature averages to 9.5°F (-12.5°C).

What is the average humidity in December in Tendoy?

The average relative humidity in December in Tendoy, Idaho, is 86%.

How much does it rain in Tendoy in December?

In December, in Tendoy, the rain falls for 6.8 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

How much does it snow in Tendoy in December?

In Tendoy, Idaho, during December, snow falls for 10.4 days and regularly aggregates up to 2.8" (71mm) of snow.

What is the month with the shortest days in Tendoy?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Tendoy.

How many hours of daylight does Tendoy have in December?

In Tendoy, the average day length in December is 8h and 50min.

When are sunrise and sunset in December in Tendoy?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:03 pm MST.

How many hours of sunshine does Tendoy have in December?

In Tendoy, Idaho, the average sunshine duration in December is 5.2h.

What is the month with the lowest UV index in Tendoy?

The months with the lowest UV index in Tendoy are January, February and December, with an average maximum UV index of 1.

What is the UV index reading in December in Tendoy?

In Tendoy, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Tendoy, ID

Average temperature in December - Tendoy, ID
  • Average high temperature in December: 25.2°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in December: 9.5°F

The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).

Average pressure in December
Tendoy, ID

Average pressure in December - Tendoy, ID
  • Average pressure in December: 30.23"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Tendoy, ID

Average wind speed in December - Tendoy, ID
  • Average wind speed in December: 4.9mph

The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Tendoy, ID

Average humidity in December - Tendoy, ID
  • Average humidity in December: 86%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).

Average rainfall in December
Tendoy, ID

Average rainfall in December - Tendoy, ID
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").

Average rainfall days in December
Tendoy, ID

Average rainfall days in December - Tendoy, ID
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Tendoy, ID

Average snowfall in December - Tendoy, ID
  • Average snowfall in December: 2.8"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Tendoy, ID

Average snowfall days in December - Tendoy, ID
  • Average snowfall days in December: 10.4 days

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Tendoy, ID

Average daylight in December / Average sunshine in December - Tendoy, ID
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
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 July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Tendoy, ID

Average sunshine days in December - Tendoy, ID
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).

Average UV index in December
Tendoy, ID

Average UV index in December - Tendoy, ID
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in December
Tendoy, ID

Average cloud cover in December - Tendoy, ID
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Tendoy, ID

Average visibility in December - Tendoy, ID
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Tendoy, Idaho, USA

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