January weather forecast
May, ID

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Weather in January

May, Idaho, USA - Weather January' itemprop='relatedLink'>January, the same as December, in May, Idaho, is another subzero cold winter month, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 8.1°F (-13.3°C).

Temperature

Stepping into January, May records an average high-temperature of a still freezing cold 28.4°F (-2°C), almost consistent with December. January nights observe an average temperature dip to a frigid cold 8.1°F (-13.3°C).

Humidity

The average relative humidity in January in May is 86%.

Rainfall

In January, the rain falls for 3.8 days. Throughout January, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 75.7 rainfall days, and 6.38" (162mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In May, Idaho, during January, snow falls for 9 days and regularly aggregates up to 3.23" (82mm) of snow. In May, during the entire year, snow falls for 51.7 days and aggregates up to 18.62" (473mm) of snow.

Daylight

The average length of the day in January in May is 9h and 17min.
On the first day of January in May, sunrise is at 8:12 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:42 pm MST.

Sunshine

January has the least sunshine of the year, with an average of 5.8h of sunshine.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

How cold is it in May in January?

In May, 28.4°F (-2°C) is the average high-temperature and 8.1°F (-13.3°C) is the average low-temperature during January.

What is the average humidity in January in May?

In May, the average relative humidity in January is 86%.

How many days does it rain in January in May?

In May, Idaho, in January, during 3.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How much does it snow in May in January?

In May, in January, during 9 snowfall days, 3.23" (82mm) of snow is typically accumulated.

How many hours of daylight does May have in January?

In January, the average day length in May, Idaho, is 9h and 17min.

What time are sunrise and sunset in January in May?

In January, on the first day of the month, sunrise is at 8:12 am and sunset at 5:05 pm. On the last day of the month, in May, sunrise is at 7:55 am and sunset at 5:42 pm MST.

What is the month with the least sunshine in May?

With an average of 5.8h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in May?

In May, the average sunshine duration in January is 5.8h.

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

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in May.

What is the UV index reading in January in May?

In January, the average daily maximum UV index in May is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
May, ID

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

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (26.1°F).

  • Average low temperature in January: 8.1°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in January
May, ID

Average pressure in January - May, ID
  • Average pressure in January: 30.27"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
May, ID

Average wind speed in January - May, ID
  • Average wind speed in January: 4.8mph

The windiest months (with the highest average wind speed) are June and July (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

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Average humidity in January
May, ID

Average humidity in January - May, ID
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (38%).

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Average rainfall in January
May, ID

Average rainfall in January - May, ID
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (1.1").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in January
May, ID

Average rainfall days in January - May, ID
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in January
May, ID

Average snowfall in January - May, ID
  • Average snowfall in January: 3.23"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are July and August (0").

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Average snowfall days in January
May, ID

Average snowfall days in January - May, ID
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is December (10.1 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - May, ID
  • Average daylight in January: 9h and 2min

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 54min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

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Average sunshine days in January
May, ID

Average sunshine days in January - May, ID
  • Average sunshine days in January: 21.1 days

The month with the most sunshine days is July (24.1 days).
The months with the least sunshine days are March and April (17.2 days).

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Average UV index in January
May, ID

Average UV index in January - May, ID
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in January
May, ID

Average cloud cover in January - May, ID
  • Average cloud cover in January: 40

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in January
May, ID

Average visibility in January - May, ID
  • Average visibility in January: 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 and February (4mi).

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May, Idaho, USA

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