January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

The vast Sierra Vista region of Arizona

Weather in January

January serves as the start of the year in Sierra Vista, Arizona, USA, bringing temperate conditions. Visitors can expect a cooler climate during dawn and dusk with evening temperatures dropping down to 37.8°F (3.2°C), presenting an ideal atmosphere for outdoor activities. Despite it being winter, rain is a rarity, making it an agreeable time for exploration and sightseeing. Bright, sunny days, in conjunction with the moderate temperature, make January favorable for visiting local attractions. Light snowfall occurs on rare occasions with an average of 0.47" (12mm), adding a touch of winter splendor to the city.

Temperature

January's presence in Sierra Vista records an average high-temperature of a still moderate 57.4°F (14.1°C), closely mirroring December's climate. During January, Sierra Vista experiences an average low-temperature of 37.8°F (3.2°C) at night.

Humidity

In January, the average relative humidity in Sierra Vista, Arizona, is 45%.

Rainfall

In Sierra Vista, Arizona, during January, the rain falls for 4.8 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 92.2 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sierra Vista are January through March and December. In Sierra Vista, Arizona, in January, during 0.8 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, in Sierra Vista, there are 3 snowfall days, and 3.27" (83mm) of snow is accumulated.

Daylight

In Sierra Vista, the average length of the day in January is 10h and 22min.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:28 pm. On the last day of January, in Sierra Vista, sunrise is at 7:14 am and sunset at 5:54 pm MST.

Sunshine

In January, the average sunshine is 7.1h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Sierra Vista. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 3 translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

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Frequently asked questions

What is the usual temperature for Sierra Vista in January?

January temperatures vary between a high-temperature of 57.4°F (14.1°C) and a low-temperature of 37.8°F (3.2°C).

What is the average humidity in January in Sierra Vista?

The average relative humidity in January in Sierra Vista is 45%.

How much does it rain in Sierra Vista in January?

In Sierra Vista, Arizona, in January, it is raining for 4.8 days, with typically 0.55" (14mm) of accumulated precipitation.

How many days does it snow in January in Sierra Vista?

In Sierra Vista, in January, during 0.8 snowfall days, 0.47" (12mm) of snow is typically accumulated.

How many hours of daylight does Sierra Vista have in January?

The average day length in January is 10h and 22min.

When is the sunrise / sunset in January in Sierra Vista?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 5:28 pm. On the last day of the month, in Sierra Vista, Arizona, sunrise is at 7:14 am and sunset at 5:54 pm MST.

How many hours of sunshine does Sierra Vista have in January?

In January, the average sunshine duration in Sierra Vista, Arizona, is 7.1h.

What is the month with the lowest UV index in Sierra Vista?

The months with the lowest UV index in Sierra Vista, Arizona, are January, February, November and December, with an average maximum UV index of 3.

How high is the UV index in January in Sierra Vista?

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

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

56.5°F 13.6°C

57.4°F 14.1°C

59.7°F 15.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.4mph 11.9km/h

7mph 11.3km/h

8.5mph 13.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

23.5

23.4

Average UV index

Average cloud cover

21%

18%

Average visibility

6mi 9.7km

Average temperature in January
Sierra Vista, AZ

Average high temperature in January: 57.4°F

The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).

Average low temperature in January: 37.8°F

The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).

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Average pressure in January
Sierra Vista, 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 (29.84"Hg).

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Average wind speed in January
Sierra Vista, AZ

Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Sierra Vista, AZ

Average humidity in January: 45%

The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).

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Average rainfall in January
Sierra Vista, AZ

Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").

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Average rainfall days in January
Sierra Vista, AZ

Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).

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Average snowfall in January
Sierra Vista, AZ

Average snowfall in January: 0.47"

The month with the highest snowfall is February (1.46").
The 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
Sierra Vista, AZ

Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Sierra Vista, 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 months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in January
Sierra Vista, AZ

Average sunshine days in January: 25 days

The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).

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Average UV index in January
Sierra Vista, AZ

Average UV index in January: 3

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in January
Sierra Vista, AZ

Average cloud cover in January: 18

The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 8).

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Average visibility in January
Sierra Vista, 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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January weather forecast
Sierra Vista, AZ

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