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
In Saint Johns, the lowest temperatures are generally noted in January, averaging a high of 45.5°F (7.5°C) and a low of 28.2°F (-2.1°C).Humidity
January is the most humid month, with an average relative humidity of 61%.Rainfall
In Saint Johns, during January, the rain falls for 5.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 67.8 rainfall days, and 6.34" (161mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Saint Johns. In Saint Johns, in January, snow falls for 4 days, with typically accumulated 2.13" (54mm) of snow. Throughout the year, in Saint Johns, there are 14.9 snowfall days, and 7.87" (200mm) of snow is accumulated.Daylight
In Saint Johns, the average length of the day in January is 10h and 10min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:17 pm. On the last day of January, in Saint Johns, sunrise is at 7:16 am and sunset at 5:45 pm MST.
Sunshine
The average sunshine in January is 7.1h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What part of the year is the coldest in Saint Johns?
What is the average January temperature in Saint Johns?
What is the most humid month in Saint Johns?
What is the average humidity in January in Saint Johns?
How much does it rain in Saint Johns in January?
How much does it snow in Saint Johns in January?
What is the average length of the day in January in Saint Johns?
When are sunrise and sunset in January in Saint Johns?
How many hours of sunshine does Saint Johns have in January?
When is the lowest UV index in Saint Johns?
What is the UV index intensity in January in Saint Johns?
Average temperature in January
Saint Johns, AZ
- Average high temperature in January: 45.5°F
The warmest months (with the highest average high temperature) are June and July (86.5°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in January: 28.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in January
Saint Johns, 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 (29.88"Hg).
Average wind speed in January
Saint Johns, AZ
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in January
Saint Johns, AZ
- Average humidity in January: 61%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (21%).
Average rainfall in January
Saint Johns, AZ
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (0.83").
The driest months (with the least rainfall) are May and June (0.28").
Average rainfall days in January
Saint Johns, AZ
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in January
Saint Johns, AZ
- Average snowfall in January: 2.13"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Saint Johns, AZ
- Average snowfall days in January: 4 days
The month with the highest number of snowfall days is December (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Saint Johns, AZ
- Average daylight in January: 10h and 1min
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 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
Saint Johns, AZ
- Average sunshine days in January: 23.1 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in January
Saint Johns, AZ
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in January
Saint Johns, AZ
- Average cloud cover in January: 20
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in January
Saint Johns, 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).
Saint Johns, Arizona, USA
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