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
The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in November to a wintry 35.8°F (2.1°C). In the month of December, the temperature generally rests at an average low of 24.6°F (-4.1°C).Humidity
The average relative humidity in December in Northfield is 79%.Rainfall
December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.87" (22mm) of precipitation.Snowfall
Months with snowfall in Northfield are January through April, October through December. In Northfield, during December, snow falls for 6.2 days and regularly aggregates up to 1.1" (28mm) of snow. In Northfield, during the entire year, snow falls for 32.5 days and aggregates up to 9.57" (243mm) of snow.Daylight
The month with the shortest days in Northfield is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
In Northfield, Iowa, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Northfield?
What is the average humidity in December in Northfield?
What is the driest month in Northfield?
How much does it rain in Northfield in December?
How many days does it snow in December in Northfield?
What is the month with the shortest days in Northfield?
What is the average length of the day in December in Northfield?
When is the sunrise / sunset in December in Northfield?
How many hours of sunshine does Northfield have in December?
What is the UV index intensity in December in Northfield?
Average temperature in December
Northfield, IA
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Northfield, 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
Northfield, IA
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Northfield, IA
- Average humidity in December: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Northfield, IA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in December
Northfield, IA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Northfield, IA
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Northfield, IA
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (10 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
Northfield, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Northfield, IA
- Average sunshine days in December: 18.5 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Northfield, 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
Northfield, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Northfield, 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).
Northfield, Iowa, USA
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