January weather forecast
Yuma, AZ

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Arizona/California border with the Colorado River in Yuma, Arizona
Arizona/California border with the Colorado River in Yuma, Arizona

Weather in January

Despite the chill of winter, Yuma, Arizona doesn't see the snowy scenes typical of many locations across the United States. The arid desert climate leads to a distinct winter season, where the sun often remains present in the sky for the vast majority of the available daylight. It's the time of the year when the average wind speed has a noticeable increase resulting in a higher wind gust from 6mph (9.7km/h) to 12.1mph (19.5km/h). Visitors and residents can typically expect cooler temperatures and a slight increase in cloud cover, though the skies still remain largely clear and deeply blue. As the first month of the year, January presents conditions often considered cold by the standards of a desert environment.

Temperature

The arrival of January denotes a barely perceptible change in the average high-temperatures to an agreeable 68°F (20°C) from December's 66°F (18.9°C). Yuma's nighttime temperature during January is consistently averaged at a fresh 50.9°F (10.5°C).

Humidity

The average relative humidity in January is 36%.

Rainfall

In Yuma, in January, during 2.5 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Yuma, during the entire year, the rain falls for 31.6 days and collects up to 2.8" (71mm) of precipitation.

Daylight

In Yuma, Arizona, the average length of the day in January is 10h and 17min.
On the first day of January in Yuma, sunrise is at 7:40 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:09 pm MST.

Sunshine

The average sunshine in January is 8.1h.

UV index

The average daily maximum UV index in January is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During January, 5 as the daily maximum UV index converts into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What are January temperatures in Yuma?

In Yuma, 68°F (20°C) is the average high-temperature and 50.9°F (10.5°C) is the average low-temperature during January.

What is the average humidity in January in Yuma?

In January, the average relative humidity in Yuma, Arizona, is 36%.

How many days does it rain in January in Yuma?

In Yuma, Arizona, during January, the rain falls for 2.5 days and regularly aggregates up to 0.2" (5mm) of precipitation.

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

In January, the average day length in Yuma is 10h and 17min.

When are sunrise and sunset in January in Yuma?

In January, on the first day of the month, sunrise is at 7:40 am and sunset at 5:43 pm. On the last day of the month, in Yuma, Arizona, sunrise is at 7:33 am and sunset at 6:09 pm MST.

How many hours of sunshine does Yuma have in January?

The average sunshine duration in January in Yuma, Arizona, is 8.1h.

What is the UV index reading in January in Yuma?

The average daily maximum UV index in January in Yuma, Arizona, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Yuma, AZ

Average temperature in January - Yuma, AZ
  • Average high temperature in January: 68°F

The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (66°F).

  • Average low temperature in January: 50.9°F

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

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Average pressure in January
Yuma, AZ

Average pressure in January - Yuma, AZ
  • Average pressure in January: 30.07"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in January
Yuma, AZ

Average wind speed in January - Yuma, AZ
  • Average wind speed in January: 7mph

The windiest months (with the highest average wind speed) are April and July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.6mph).

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Average humidity in January
Yuma, AZ

Average humidity in January - Yuma, AZ
  • Average humidity in January: 36%

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in January
Yuma, AZ

Average rainfall in January - Yuma, AZ
  • Average rainfall in January: 0.2"

The wettest months (with the highest rainfall) are July and September (0.39").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in January
Yuma, AZ

Average rainfall days in January - Yuma, AZ
  • Average rainfall days in January: 2.5 days

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.8 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 8h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

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Average sunshine days in January
Yuma, AZ

Average sunshine days in January - Yuma, AZ
  • Average sunshine days in January: 27.9 days

The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (22.1 days).

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Average UV index in January
Yuma, AZ

Average UV index in January - Yuma, AZ
  • Average UV index in January: 5

The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in January
Yuma, AZ

Average cloud cover in January - Yuma, AZ
  • Average cloud cover in January: 15

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in January
Yuma, AZ

Average visibility in January - Yuma, 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).

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Yuma, Arizona, USA

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