January weather forecastPoston, AZ
January
Weather in January
January, like December, in Poston, Arizona, is another comfortable winter month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 47.3°F (8.5°C).Temperature
January observes an average high-temperature of a still enjoyable 63.1°F (17.3°C), marking an insignificant difference from December's 61.2°F (16.2°C). Poston records an average nighttime low-temperature of 47.3°F (8.5°C) throughout January.Humidity
January and December, with an average relative humidity of 39%, are the most humid months.Rainfall
In Poston, during January, the rain falls for 2.3 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Poston, during the entire year, the rain falls for 39.4 days and collects up to 3.9" (99mm) of precipitation.Daylight
The average length of the day in January is 10h and 12min.On the first day of January, sunrise is at 7:42 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:06 pm MST.
Sunshine
In Poston, the average sunshine in January is 7.6h.UV index
In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 4 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Poston, AZ
- Average high temperature in January: 63.1°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in January: 47.3°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in January
Poston, AZ
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in January
Poston, AZ
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in January
Poston, AZ
- Average humidity in January: 39%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in January
Poston, AZ
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in January
Poston, AZ
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in January /
Average sunshine in January
Poston, AZ
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Poston, AZ
- Average sunshine days in January: 28.2 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in January
Poston, AZ
- Average UV index in January: 4
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Poston, AZ
- Average cloud cover in January: 17
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in January
Poston, 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).
