Contents
- 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
Weather in January
Temperature
January experiences an average high-temperature of a still refreshing 57.4°F (14.1°C), barely different from December's 56.5°F (13.6°C). January nights in Sierra Vista cool down to an average low-temperature of 37.8°F (3.2°C).Humidity
In January, the average relative humidity is 45%.Rainfall
In Sierra Vista, in January, it is raining for 4.8 days, with typically 0.55" (14mm) of accumulated precipitation. In Sierra Vista, during the entire year, the rain falls for 92.2 days and collects up to 15.47" (393mm) of precipitation.Snowfall
January through March and December are months with snowfall. In Sierra Vista, during January, snow falls for 0.8 days and regularly aggregates up to 0.47" (12mm) of snow. In Sierra Vista, Arizona, during the entire year, snow falls for 3 days and aggregates up to 3.27" (83mm) of snow.Daylight
In January, the average length of the day is 10h and 22min.On the first day of January, sunrise is at 7:20 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
In Sierra Vista, the average sunshine in January 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. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in January converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Sierra Vista, Arizona, USA
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