January weather forecast
Whetstone, AZ

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Weather in January

January, the same as December, in Whetstone, Arizona, is a moderate winter month, with temperature in the range of an average low of 38.5°F (3.6°C) and an average high of 58.5°F (14.7°C).

Temperature

The shift into January finds Whetstone at an average high-temperature of a still moderate 58.5°F (14.7°C), closely comparable to December's conditions. Throughout the month of January, the average temperature dips to a wintry 38.5°F (3.6°C) at night.

Humidity

In January, the average relative humidity is 45%.

Rainfall

In Whetstone, in January, it is raining for 4.5 days, with typically 0.67" (17mm) of accumulated precipitation. In Whetstone, Arizona, during the entire year, the rain falls for 76.9 days and collects up to 10.28" (261mm) of precipitation.

Snowfall

January, February and December are months with snowfall. In Whetstone, Arizona, in January, during 0.5 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Whetstone, during the entire year, snow falls for 1.4 days and aggregates up to 1.69" (43mm) of snow.

Daylight

In Whetstone, the average length of the day in January is 10h and 22min.
On the first day of January, sunrise is at 7:21 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:54 pm MST.

Sunshine

The average sunshine in January is 7.1h.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 3 in January converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in January?

In January, the average high-temperature and low-temperature are 58.5°F (14.7°C) and 38.5°F (3.6°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 45%.

How much does it rain in January?

In Whetstone, in January, during 4.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Whetstone, during January, snow falls for 0.5 days and regularly aggregates up to 0.39" (10mm) of snow.

What is the average length of the day in January?

In January, the average day length in Whetstone is 10h and 22min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:54 pm MST.

How long on average sun shines in January?

The average sunshine duration in January is 7.1h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

How high is the UV index in January?

The average daily maximum UV index in January in Whetstone is 3. A UV Index estimate of 3 to 5 represents a moderate 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
Whetstone, AZ

Average temperature in January - Whetstone, AZ
  • Average high temperature in January: 58.5°F

The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in January: 38.5°F

The month with the highest average low temperature is July (71.8°F).
The coldest months (with the lowest average low temperature) are January and December (38.5°F).

Average pressure in January
Whetstone, AZ

Average pressure in January - Whetstone, AZ
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Whetstone, AZ

Average wind speed in January - Whetstone, AZ
  • Average wind speed in January: 6.1mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in January
Whetstone, AZ

Average humidity in January - Whetstone, AZ
  • Average humidity in January: 45%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (21%).

Average rainfall in January
Whetstone, AZ

Average rainfall in January - Whetstone, AZ
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is August (2.48").
The driest months (with the least rainfall) are April and May (0.12").

Average rainfall days in January
Whetstone, AZ

Average rainfall days in January - Whetstone, AZ
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.1 days).

Average snowfall in January
Whetstone, AZ

Average snowfall in January - Whetstone, AZ
  • Average snowfall in January: 0.39"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Whetstone, AZ

Average snowfall days in January - Whetstone, AZ
  • Average snowfall days in January: 0.5 days

The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in January /
Average sunshine in January
Whetstone, AZ

Average daylight in January / Average sunshine in January - Whetstone, AZ
  • Average daylight in January: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in January: 7h and 1min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in January
Whetstone, AZ

Average sunshine days in January - Whetstone, AZ
  • Average sunshine days in January: 26 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in January
Whetstone, AZ

Average UV index in January - Whetstone, AZ
  • Average UV index in January: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in January
Whetstone, AZ

Average cloud cover in January - Whetstone, AZ
  • Average cloud cover in January: 18

The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 7).

Average visibility in January
Whetstone, AZ

Average visibility in January - Whetstone, AZ
  • Average visibility in January: 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).

Whetstone, Arizona, USA

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