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 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
The high-temperature average in January for Sierra Vista is a still moderate 58.8°F (14.9°C), staying closely aligned with December's conditions. An average temperature of 42.4°F (5.8°C) marks the nights in January.Humidity
January is the most humid month, with an average relative humidity of 68%.Rainfall
In Sierra Vista, in January, during 6.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Sierra Vista, during the entire year, the rain falls for 51 days and collects up to 7.56" (192mm) of precipitation.Daylight
In Sierra Vista, the average length of the day in January is 9h and 58min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:24 pm PST.
Sunshine
In January, the average sunshine is 6.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many hours of daylight does Sierra Vista have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Sierra Vista have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Sierra Vista, CA
- Average high temperature in January: 58.8°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in January: 42.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in January
Sierra Vista, CA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Sierra Vista, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in January
Sierra Vista, CA
- Average humidity in January: 68%
The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).
Average rainfall in January
Sierra Vista, CA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in January
Sierra Vista, CA
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).
Average daylight in January /
Average sunshine in January
Sierra Vista, CA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in January
Sierra Vista, CA
- Average sunshine days in January: 24.5 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in January
Sierra Vista, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (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, CA
- Average cloud cover in January: 28
The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).
Average visibility in January
Sierra Vista, CA
- 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, California, USA
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