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 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 presence records an average high-temperature of a still comfortable 63.1°F (17.3°C), closely mirroring December's climate. Throughout the month of January, Swansea observes an average nighttime temperature of 47.3°F (8.5°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 39%.Rainfall
In Swansea, in January, it is raining for 2.3 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 39.4 rainfall days, and 3.9" (99mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 7:41 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:04 pm MST.
Sunshine
In January, the average sunshine in Swansea is 7.6h.UV index
In Swansea, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during January leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How many hours of daylight does Swansea have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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 4min
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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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).
Swansea, Arizona, USA
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