December weather forecast
Hammett, ID

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Weather in December

December, the first month of the winter in Hammett, is still a cold month, with an average temperature varying between 24.4°F (-4.2°C) and 35.4°F (1.9°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 35.4°F (1.9°C) to a low of 24.4°F (-4.2°C).

Humidity

In Hammett, the average relative humidity in December is 75%.

Rainfall

December is the month with the most rainfall. Rain falls for 8.1 days and accumulates 1.22" (31mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Hammett, in December, during 5.2 snowfall days, 2.44" (62mm) of snow is typically accumulated. In Hammett, during the entire year, snow falls for 17.7 days and aggregates up to 8.7" (221mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of December in Hammett, sunrise is at 7:53 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:17 pm MST.

Sunshine

December has the least sunshine of the year, with an average of 6.1h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What part of the year is the coldest in Hammett?

December, recording an average high temperature of 35.4°F (1.9°C) and a low temperature of 24.4°F (-4.2°C), is Hammett's coldest month.

How cold is December in Hammett?

Hammett in December has an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 24.4°F (-4.2°C).

What is the average humidity in December in Hammett?

In Hammett, the average relative humidity in December is 75%.

What is the rainiest month in Hammett?

The month with the most rainfall in Hammett is December, when the rain falls for 8.1 days and typically aggregates up to 1.22" (31mm) of precipitation.

How many days does it rain in December in Hammett?

In Hammett, during December, the rain falls for 8.1 days and regularly aggregates up to 1.22" (31mm) of precipitation.

How much does it snow in Hammett in December?

In Hammett, during December, snow falls for 5.2 days and regularly aggregates up to 2.44" (62mm) of snow.

What is the month with the shortest days in Hammett?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Hammett.

What is the average length of the day in December in Hammett?

The average day length in December in Hammett, Idaho, is 9h and 5min.

When are sunrise and sunset in December in Hammett?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:17 pm MST.

What is the month with the least sunshine in Hammett?

December has the least sunshine of the year in Hammett, with an average of 6.1h of sunshine.

How long on average sun shines in December in Hammett?

In Hammett, Idaho, the average sunshine duration in December is 6.1h.

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

The months with the lowest UV index in Hammett, Idaho, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Hammett?

In December, the average daily maximum UV index in Hammett is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe 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
Hammett, ID

Average temperature in December - Hammett, ID
  • Average high temperature in December: 35.4°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (35.4°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

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Average pressure in December
Hammett, ID

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

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Hammett, ID

Average wind speed in December - Hammett, ID
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

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Average humidity in December
Hammett, ID

Average humidity in December - Hammett, ID
  • Average humidity in December: 75%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (26%).

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Average rainfall in December
Hammett, ID

Average rainfall in December - Hammett, ID
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in December
Hammett, ID

Average rainfall days in December - Hammett, ID
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.1 days).

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Average snowfall in December
Hammett, ID

Average snowfall in December - Hammett, ID
  • Average snowfall in December: 2.44"

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Hammett, ID

Average snowfall days in December - Hammett, ID
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is December (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hammett, ID
  • 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: 6h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in December
Hammett, ID

Average sunshine days in December - Hammett, ID
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (16.5 days).

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Average UV index in December
Hammett, ID

Average UV index in December - Hammett, ID
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Hammett, ID

Average cloud cover in December - Hammett, ID
  • Average cloud cover in December: 36

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in December
Hammett, ID

Average visibility in December - Hammett, ID
  • Average visibility in December: 6mi

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

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Hammett, Idaho, USA

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