January weather forecastTacna, AZ
January
Weather in January
January, the same as December, is another enjoyable winter month in Tacna, Arizona, with an average temperature fluctuating between 66.7°F (19.3°C) and 49.8°F (9.9°C).Temperature
Tacna observes an average high-temperature of a still refreshing 66.7°F (19.3°C) in January, barely different from 64.9°F (18.3°C) in December. Throughout January, Tacna registers a consistent average low-temperature of 49.8°F (9.9°C).Humidity
In Tacna, the average relative humidity in January is 38%.Rainfall
In January, in Tacna, the rain falls for 2.6 days. Throughout January, 0.28" (7mm) of precipitation is accumulated. Throughout the year, in Tacna, there are 38.1 rainfall days, and 3.9" (99mm) of precipitation is accumulated.Daylight
In Tacna, the average length of the day in January is 10h and 17min.On the first day of January, sunrise is at 7:37 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:07 pm MST.
Sunshine
In January, the average sunshine is 7.9h.UV index
In January, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 5 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Tacna, AZ
- Average high temperature in January: 66.7°F
The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.9°F).
- Average low temperature in January: 49.8°F
The month with the highest average low temperature is August (85.6°F).
The coldest months (with the lowest average low temperature) are January and December (49.8°F).
Average pressure in January
Tacna, AZ
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.73"Hg).
Average wind speed in January
Tacna, AZ
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is July (8.4mph).
The calmest months (with the lowest average wind speed) are November and December (6mph).
Average humidity in January
Tacna, AZ
- Average humidity in January: 38%
The month with the highest relative humidity is December (39%).
The month with the lowest relative humidity is June (21%).
Average rainfall in January
Tacna, AZ
- Average rainfall in January: 0.28"
The wettest month (with the highest rainfall) is July (0.71").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in January
Tacna, AZ
- Average rainfall days in January: 2.6 days
The month with the highest number of rainy days is July (7.6 days).
The month with the least rainy days is May (0.9 days).
Average daylight in January /
Average sunshine in January
Tacna, AZ
- Average daylight in January: 10h and 18min
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: 7h and 54min
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 6min).
Average sunshine days in January
Tacna, AZ
- Average sunshine days in January: 27.8 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.8 days).
Average UV index in January
Tacna, AZ
- Average UV index in January: 5
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover in January
Tacna, 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).
Average visibility in January
Tacna, 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).
