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
As Tucson transitions into January, the average high-temperature stands at a still refreshing 61.7°F (16.5°C), offering little variation from the preceding month. In Tucson, an average nighttime temperature of 43°F (6.1°C) is expected during January.Humidity
In January, the average relative humidity is 42%.Rainfall
In Tucson, during January, the rain falls for 4.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 66.1 rainfall days, and 7.95" (202mm) of precipitation is accumulated.Snowfall
The only month with snowfall in Tucson is January. January is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.08" (2mm) of snow.Daylight
The average length of the day in January is 10h and 19min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:29 pm. On the last day of January, in Tucson, sunrise is at 7:18 am and sunset at 5:55 pm MST.
Sunshine
The average sunshine in January is 7.1h.UV index
In January, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 4 in January leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. 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. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the temperature in January in Tucson?
What is the average humidity in January in Tucson?
How many days does it rain in January in Tucson?
What is the snowiest month in Tucson?
When does it start to snow in Tucson?
What is the average length of the day in January in Tucson?
When is the sunrise / sunset in January in Tucson?
How many hours of sunshine does Tucson have in January?
What is the UV index reading in January in Tucson?
Average temperature in January
Tucson, AZ
- Average high temperature in January: 61.7°F
The warmest month (with the highest average high temperature) is June (96.6°F).
The month with the lowest average high temperature is December (60.8°F).
- Average low temperature in January: 43°F
The month with the highest average low temperature is July (77°F).
The coldest months (with the lowest average low temperature) are January and December (43°F).
Average pressure in January
Tucson, AZ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Tucson, AZ
- Average wind speed in January: 6.2mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Tucson, AZ
- Average humidity in January: 42%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (19%).
Average rainfall in January
Tucson, AZ
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in January
Tucson, AZ
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is May (1.3 days).
Average snowfall in January
Tucson, AZ
- Average snowfall in January: 0.08"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Tucson, AZ
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Tucson, 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 month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Tucson, AZ
- Average sunshine days in January: 26.1 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Tucson, AZ
- Average UV index in January: 4
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
Tucson, AZ
- Average cloud cover in January: 17
The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are May and June (Cloud cover 7).
Average visibility in January
Tucson, 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).
Tucson, Arizona, USA
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