Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Swansea experiences its lowest average temperatures in December, reaching a peak of 61.2°F (16.2°C) and a minimum of 47.1°F (8.4°C).Humidity
The months with the highest humidity in Swansea are January and December, with an average relative humidity of 39%.Rainfall
In December, in Swansea, Arizona, the rain falls for 3.6 days. Throughout December, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 39.4 rainfall days, and 3.9" (99mm) of precipitation is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of December, in Swansea, sunrise is at 7:41 am and sunset at 5:36 pm MST.
Sunshine
December has the least sunshine of the year in Swansea, Arizona, with an average of 7h of sunshine.UV index
The month with the lowest UV index in Swansea is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during December translates into the following guidance:
Adopt protective measures - It is advised to guard against sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the coldest time of year in Swansea?
What is the average December temperature in Swansea?
What are the most humid months in Swansea?
What is the average humidity in December in Swansea?
How many days does it rain in December in Swansea?
What is the month with the shortest days in Swansea?
How many hours of daylight does Swansea have in December?
When is the sunrise / sunset in December in Swansea?
What is the month with the least sunshine in Swansea?
How long on average sun shines in December in Swansea?
When is the lowest UV index in Swansea?
What is the UV index reading in December in Swansea?
Average temperature in December
Swansea, AZ
- Average high temperature in December: 61.2°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 December: 47.1°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 December
Swansea, AZ
- Average pressure in December: 30.06"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 December
Swansea, AZ
- Average wind speed in December: 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 December
Swansea, AZ
- Average humidity in December: 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 December
Swansea, AZ
- Average rainfall in December: 0.35"
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 December
Swansea, AZ
- Average rainfall days in December: 3.6 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 December /
Average sunshine in December
Swansea, AZ
- Average daylight in December: 9h and 5min
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 December: 7h and 0min
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 December
Swansea, AZ
- Average sunshine days in December: 26.8 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 December
Swansea, AZ
- Average UV index in December: 3
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 December
Swansea, AZ
- Average cloud cover in December: 19
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 December
Swansea, AZ
- Average visibility in December: 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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