January weather forecastSupai, AZ
January
Weather in January
The weather in January in Supai, Arizona, USA, is characterized by chilly temperatures with relatively low humidity. It sees monthly temperatures range from 26.8°F (-2.9°C) to 43.2°F (6.2°C), making it the coldest month of the year. Comparatively, the last month of December exhibits similar weather patterns, though January manifests slightly less snowfall and marginally higher pressure. The crisp, cool atmosphere sets the stage for spectacular views amid the tranquil landscape. This month, along with December, experiences the least daylight in the year, adding to the cool ambiance.Temperature
The arrival of January brings an average high-temperature of a still frosty 43.2°F (6.2°C), closely following the temperature pattern of December. In the month of January, Supai's average low-temperature falls to a freezing cold 26.8°F (-2.9°C).Humidity
The most humid month is January, with an average relative humidity of 64%.Rainfall
In Supai, in January, during 2.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Supai, during the entire year, the rain falls for 46.7 days and collects up to 4.29" (109mm) of precipitation.Snowfall
Months with snowfall in Supai are January through May, October through December. January is the month with the most snowfall. Snow falls for 4.9 days and accumulates 3.11" (79mm) of snow.Daylight
In Supai, the average length of the day in January is 10h and 2min.On the first day of the month, sunrise is at 7:41 am and sunset at 5:26 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:55 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 6.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Supai, AZ
- Average high temperature in January: 43.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in January
Supai, AZ
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Supai, AZ
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is January (6.6mph).
Average humidity in January
Supai, AZ
- Average humidity in January: 64%
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (21%).
Average rainfall in January
Supai, AZ
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is March (0.51").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Supai, AZ
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is July (6 days).
The month with the least rainy days is June (1.9 days).
Average snowfall in January
Supai, AZ
- Average snowfall in January: 3.11"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Supai, AZ
- Average snowfall days in January: 4.9 days
The months with the highest number of snowfall days are February and December (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Supai, AZ
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in January
Supai, AZ
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (21.4 days).
Average UV index in January
Supai, AZ
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Supai, AZ
- Average cloud cover in January: 23
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in January
Supai, 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).





