United StatesAverage weather for Arizona in January
It's pleasantly warm in January in Arizona with an average temperature of 19°C. Temperatures this month range from a low of 14°C to a high of 21°C. At night, you can expect temperatures between 3°C and 10°C.
Start of January
The month of January starts in Arizona with mild temps, averaging around 18°C during the day and nights around 6°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid January
By mid-January, daytime temps rise to around 20°C, with nights around 9°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of January
By the end of January, the average daytime temperature in Arizona is around 20°C, while nighttime temps are about 8°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
In January, there is an average of 19 mm of precipitation, spread over 3 days. The wind speed is around 3 Bft, mostly coming from the South.
Arizona in January |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 5°C | |
 Max. temperature |
21°C | 11°C | |
| Min. temperature |
14°C | -5°C | |
 Total precipitation |
19 mm | 97 mm | |
| Rainy days |
3 days | 12 days | |
December
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is January a good time to visit Arizona?
Looking for great weather? January is a good time to be in Arizona. The temperatures are nice, and there’s little chance of rain this month.
Temperature records
With 28°C in 2018, Arizona reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 7°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 15°C.
Check out the climate of Arizona for all months and discover the best travel time
The climate in Arizona is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Arizona to get the full picture of the climate.
Daily Temperature in January in Arizona
This chart shows the average daily high and low temperatures in January for Arizona, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Arizona
The chart below shows the average daily precipitation in January for Arizona, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 3 days of precipitation in Arizona.
Daily UV index in January in Arizona
This chart shows the average daily UV index in January in Arizona, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Arizona over the years
This chart shows the average temperature in January in Arizona, measured in degrees Celsius, over the past few years.
Total precipitation in January in Arizona over the years
This chart shows the average precipitation in January in Arizona, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Arizona
Click on any day in January to get detailed info about the usual weather on that day in Arizona. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Arizona
Have you been to Arizona in January?
Share your weather experience in January in Arizona.
Average weather in Arizona by month
Click on a month below to see detailed weather info for Arizona. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
