January weather forecast
Naples, ID

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Weather in January

January, like December, is a freezing cold winter month in Naples, Idaho, with an average temperature varying between 28.4°F (-2°C) and 16.3°F (-8.7°C).

Temperature

Naples signifies an average high-temperature of a still freezing cold 28.4°F (-2°C) in January, closely mirroring the 27.3°F (-2.6°C) of December. Throughout the month of January, the average temperature dips to a still subzero cold 16.3°F (-8.7°C) at night.

Humidity

January is the most humid month, with an average relative humidity of 94%.

Rainfall

In Naples, during January, the rain falls for 13.2 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Naples, during the entire year, the rain falls for 157.1 days and collects up to 21.61" (549mm) of precipitation.

Snowfall

Months with snowfall are January through April, September through December. The month with the most snowfall is January, when snow falls for 14.2 days and typically aggregates up to 11.02" (280mm) of snow.

Daylight

In January, the average length of the day is 8h and 50min.
On the first day of the month, sunrise is at 7:37 am and sunset at 4:00 pm. On the last day of January, sunrise is at 7:16 am and sunset at 4:41 pm PST.

Sunshine

The month with the least sunshine is January, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Naples?

January temperatures vary between a high-temperature of 28.4°F (-2°C) and a low-temperature of 16.3°F (-8.7°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 94%.

What is the average humidity in January?

The average relative humidity in January is 94%.

How much does it rain in January?

In January, the rain falls for 13.2 days. Throughout January, 2.72" (69mm) of precipitation is accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 14.2 days and accumulates 11.02" (280mm) of snow.

How much does it snow in January?

In Naples, during January, snow falls for 14.2 days and regularly aggregates up to 11.02" (280mm) of snow.

What is the average length of the day in January?

The average day length in January is 8h and 50min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:37 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:41 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.8h of sunshine.

How long on average sun shines in January?

In Naples, the average sunshine duration in January is 3.8h.

When is the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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 January
Naples, ID

Average temperature in January - Naples, ID
  • Average high temperature in January: 28.4°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (27.3°F).

  • Average low temperature in January: 16.3°F

The month with the highest average low temperature is August (47.7°F).
The coldest months (with the lowest average low temperature) are January and December (16.3°F).

Average pressure in January
Naples, ID

Average pressure in January - Naples, ID
  • Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Naples, ID

Average wind speed in January - Naples, ID
  • Average wind speed in January: 3.6mph

The windiest month (with the highest average wind speed) is June (4.3mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

Average humidity in January
Naples, ID

Average humidity in January - Naples, ID
  • Average humidity in January: 94%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (55%).

Average rainfall in January
Naples, ID

Average rainfall in January - Naples, ID
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in January
Naples, ID

Average rainfall days in January - Naples, ID
  • Average rainfall days in January: 13.2 days

The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is August (6.5 days).

Average snowfall in January
Naples, ID

Average snowfall in January - Naples, ID
  • Average snowfall in January: 11.02"

The month with the highest snowfall is January (11.02").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in January
Naples, ID

Average snowfall days in January - Naples, ID
  • Average snowfall days in January: 14.2 days

The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Naples, ID

Average daylight in January / Average sunshine in January - Naples, ID
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Naples, ID

Average sunshine days in January - Naples, ID
  • Average sunshine days in January: 11.5 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.7 days).

Average UV index in January
Naples, ID

Average UV index in January - Naples, ID
  • Average UV index in January: 1

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

Average cloud cover in January
Naples, ID

Average cloud cover in January - Naples, ID
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Naples, ID

Average visibility in January - Naples, ID
  • Average visibility in January: 2mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

Naples, Idaho, USA

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