January weather forecast and climate
Duncan, AZ

Weather in January

January, like December, in Duncan, Arizona, is another fresh winter month, with average temperature fluctuating between 53.4°F (11.9°C) and 34.3°F (1.3°C).

Temperature

In January, the average high-temperature is practically the same as in December - a still fresh 53.4°F (11.9°C). In Duncan, Arizona, the average low-temperature is 34.3°F (1.3°C).

Humidity

In Duncan, Arizona, the average relative humidity is 51%.

Rainfall

In Duncan, during January, the rain falls for 5.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Duncan, Arizona, during the entire year, the rain falls for 92.3 days and collects up to 12.13" (308mm) of precipitation.

Snowfall

January through March and December are months with snowfall. In Duncan, during 0.6 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, in Duncan, there are 2.5 snowfall days, and 1.73" (44mm) of snow is accumulated.

Daylight

The average length of the day is 10.3h.

Sunshine

In Duncan, the average sunshine in January is 7h.

UV index

In Duncan, Arizona, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in January in Duncan?

In Duncan, Arizona, in January, the average high-temperature is 53.4°F (11.9°C), and the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in January in Duncan?

The average relative humidity in January in Duncan, Arizona, is 51%.

How much does it rain in Duncan in January?

In Duncan, Arizona, in January, it is raining for 5.8 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in Duncan in January?

In January, in Duncan, it is snowing for 0.6 days. Throughout January, 0.55" (14mm) of snow is accumulated.

How many hours of daylight does Duncan have in January?

The average length of the day in January is 10.3h.

How long on average sun shines in January in Duncan?

The average sunshine in January in Duncan is 7h.

What is the UV index reading in January in Duncan?

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in January
Duncan, AZ

Average temperature in January - Duncan, AZ
  • Average high temperature in January: 53.4°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in January: 34.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure in January
Duncan, AZ

Average pressure in January - Duncan, AZ
  • Average pressure in January: 30.12"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in January
Duncan, AZ

Average wind speed in January - Duncan, AZ
  • Average wind speed in January: 5.2mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.1mph).

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Average humidity in January
Duncan, AZ

Average humidity in January - Duncan, AZ
  • Average humidity in January: 51%

The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in January
Duncan, AZ

Average rainfall in January - Duncan, AZ
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is April (0.2").

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Average rainfall days in January
Duncan, AZ

Average rainfall days in January - Duncan, AZ
  • Average rainfall days in January: 5.8 days

Months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is May (3.5 days).

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Average snowfall in January
Duncan, AZ

Average snowfall in January - Duncan, AZ
  • Average snowfall in January: 0.55"

The month with the highest snowfall is December (0.87").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Duncan, AZ

Average snowfall days in January - Duncan, AZ
  • Average snowfall days in January: 0.6 days

The month with the highest number of snowfall days is December (0.9 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in January: 7h

Months with the most sunshine are June and August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in January
Duncan, AZ

Average sunshine days in January - Duncan, AZ
  • Average sunshine days in January: 24.4 days

The month with the most sunshine days is May (26.4 days).
The month with the least sunshine days is August (8.3 days).

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Average UV index in January
Duncan, AZ

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

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in January
Duncan, AZ

Average cloud cover in January - Duncan, AZ
  • Average cloud cover in January: 19

The month with the most cloud cover is December (Cloud cover 22).
Months with the least cloud cover are May and June (Cloud cover 9).

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Average visibility in January
Duncan, AZ

Average visibility in January - Duncan, 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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