January weather forecast and climate
Why, AZ

Weather in January

January, the same as December, is another comfortable winter month in Why, Arizona, with average temperature fluctuating between 64.8°F (18.2°C) and 47.8°F (8.8°C).

Temperature

In January, the average high-temperature is almost the same as in December - a still comfortable 64.8°F (18.2°C). In Why, Arizona, the average low-temperature is 47.8°F (8.8°C).

Humidity

In January, the average relative humidity is 41%.

Rainfall

In Why, during January, the rain falls for 3.7 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Why, during the entire year, the rain falls for 58 days and collects up to 6.69" (170mm) of precipitation.

Daylight

The average length of the day in Why, Arizona, is 10.3h.

Sunshine

In January, the average sunshine in Why is 7.3h.

UV index

In Why, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the temperature in January in Why?

In Why, in January, the average high-temperature is 64.8°F (18.2°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in January in Why?

The average relative humidity in January in Why is 41%.

How much does it rain in Why in January?

In Why, in January, during 3.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

What is the average length of the day in January in Why?

In January, the average length of the day in Why, Arizona, is 10.3h.

How many hours of sunshine does Why have in January?

In Why, the average sunshine in January is 7.3h.

How high is the UV index in January in Why?

The average daily maximum UV index in January in Why is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in January
Why, AZ

Average temperature in January - Why, AZ
  • Average high temperature in January: 64.8°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in January: 47.8°F

The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).

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Average pressure in January
Why, AZ

Average pressure in January - Why, AZ
  • Average pressure in January: 30.07"

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.76").

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Average wind speed in January
Why, AZ

Average wind speed in January - Why, AZ
  • Average wind speed in January: 5.3mph

The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).

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Average humidity in January
Why, AZ

Average humidity in January - Why, AZ
  • Average humidity in January: 41%

The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in January
Why, AZ

Average rainfall in January - Why, AZ
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").

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Average rainfall days in January
Why, AZ

Average rainfall days in January - Why, AZ
  • Average rainfall days in January: 3.7 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).

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

Average daylight in January / Average sunshine in January - Why, AZ
  • Average daylight in January: 10.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in January: 7.3h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in January
Why, AZ

Average sunshine days in January - Why, AZ
  • Average sunshine days in January: 26.7 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in January
Why, AZ

Average UV index in January - Why, AZ
  • Average UV index in January: 4

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in January
Why, AZ

Average cloud cover in January - Why, AZ
  • Average cloud cover in January: 16

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in January
Why, AZ

Average visibility in January - Why, AZ
  • Average visibility in January: 6mi

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

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