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 snowfall in December
- Average snowfall 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
As Leighton enters December, the average high-temperature decreases from the a frosty 47.3°F (8.5°C) of November to an icy 34.7°F (1.5°C). During December, Leighton sees a mean low-temperature of 23.5°F (-4.7°C).Humidity
The average relative humidity in December in Leighton is 80%.Rainfall
In Leighton, Iowa, in December, it is raining for 7.1 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, in Leighton, there are 141.1 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
Months with snowfall in Leighton are January through May, October through December. In Leighton, in December, during 6.5 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Leighton, during the entire year, snow falls for 32.1 days and aggregates up to 15.28" (388mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:52 pm CST.
Sunshine
In December, the average sunshine in Leighton is 4.8h.UV index
In Leighton, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is December in Leighton?
What is the average humidity in December in Leighton?
How much does it rain in Leighton in December?
How many days does it snow in December in Leighton?
What is the month with the shortest days in Leighton?
What is the average length of the day in December in Leighton?
When are sunrise and sunset in December in Leighton?
How long on average sun shines in December in Leighton?
How high is the UV index in December in Leighton?
Average temperature in December
Leighton, IA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Leighton, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Leighton, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Leighton, IA
- Average humidity in December: 80%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Leighton, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Leighton, IA
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
Leighton, IA
- Average snowfall in December: 1.65"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Leighton, IA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Leighton, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Leighton, IA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9 days).
Average UV index in December
Leighton, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Leighton, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Leighton, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Leighton, Iowa, USA
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