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
Brighton's weather changes with the onset of December, slightly falling from a chilly 47.3°F (8.5°C) in November to a wintry 34.9°F (1.6°C). Brighton experiences an average low-temperature reading of 24.1°F (-4.4°C) throughout December.Humidity
In Brighton, the average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall in Brighton. Rain falls for 5.8 days and accumulates 0.71" (18mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Brighton. In Brighton, in December, during 5.7 snowfall days, 0.79" (20mm) of snow is typically accumulated. In Brighton, during the entire year, snow falls for 29.8 days and aggregates up to 7.99" (203mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Brighton.On the first day of the month, sunrise is at 7:13 am and sunset at 4:39 pm. On the last day of December, in Brighton, sunrise is at 7:32 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December in Brighton is 4.6h.UV index
The average daily maximum UV index in December in Brighton is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Brighton in December?
What is the average humidity in December in Brighton?
What is the driest month in Brighton?
How many days does it rain in December in Brighton?
How much does it snow in Brighton in December?
What is the month with the shortest days in Brighton?
How many hours of daylight does Brighton have in December?
What time are sunrise and sunset in December in Brighton?
How long on average sun shines in December in Brighton?
What is the UV index reading in December in Brighton?
Average temperature in December
Brighton, IA
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Brighton, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Brighton, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Brighton, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Brighton, IA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in December
Brighton, IA
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Brighton, IA
- Average snowfall in December: 0.79"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Brighton, IA
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brighton, IA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Brighton, IA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in December
Brighton, 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
Brighton, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Brighton, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Brighton, Iowa, USA
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