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's average high-temperature stands at a still mild 60.3°F (15.7°C), showing little deviation from December's 59.2°F (15.1°C). January witnesses an average nighttime temperature of 41.9°F (5.5°C) in Catalina.Humidity
The average relative humidity in January in Catalina is 45%.Rainfall
In January, the rain falls for 5.2 days. Throughout January, 1.02" (26mm) of precipitation is accumulated. In Catalina, during the entire year, the rain falls for 76.5 days and collects up to 13.31" (338mm) of precipitation.Snowfall
Months with snowfall in Catalina are January, February and December. The month with the most snowfall is January, when snow falls for 0.4 days and typically aggregates up to 0.91" (23mm) of snow.Daylight
In Catalina, the average length of the day in January is 10h and 18min.On the first day of January, sunrise is at 7:25 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:55 pm MST.
Sunshine
In Catalina, the average sunshine in January is 6.9h.UV index
The average daily maximum UV index in January in Catalina is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during January translates into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. To guard against the harmful effects of the Sun, minimize exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Catalina?
What is the average humidity in January in Catalina?
How many days does it rain in January in Catalina?
When does it snow the most in Catalina?
How many days does it snow in January in Catalina?
How many hours of daylight does Catalina have in January?
What time are sunrise and sunset in January in Catalina?
How long on average sun shines in January in Catalina?
How high is the UV index in January in Catalina?
Average temperature in January
Catalina, AZ
- Average high temperature in January: 60.3°F
The warmest month (with the highest average high temperature) is June (95.5°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in January: 41.9°F
The months with the highest average low temperature are July and August (75.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in January
Catalina, 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
Catalina, AZ
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Catalina, AZ
- Average humidity in January: 45%
The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (20%).
Average rainfall in January
Catalina, AZ
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in January
Catalina, AZ
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is May (2 days).
Average snowfall in January
Catalina, AZ
- Average snowfall in January: 0.91"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Catalina, AZ
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Catalina, AZ
- Average daylight in January: 10h and 2min
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 6min).
- Average sunshine in January: 6h and 5min
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 36min).
Average sunshine days in January
Catalina, AZ
- Average sunshine days in January: 25.3 days
The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in January
Catalina, 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
Catalina, AZ
- Average cloud cover in January: 20
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in January
Catalina, 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).
Catalina, Arizona, USA
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