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
December is characterized by a clear drop in the average high-temperature, falling from November's chilly 49.1°F (9.5°C) to a wintry 34.7°F (1.5°C). During the month of December, Pacific Junction's nighttime temperature lowers to an average of 22.5°F (-5.3°C).Humidity
In December, the average relative humidity in Pacific Junction is 77%.Rainfall
In Pacific Junction, Iowa, in December, it is raining for 5.2 days, with typically 1.57" (40mm) of accumulated precipitation. In Pacific Junction, Iowa, during the entire year, the rain falls for 129.5 days and collects up to 27.48" (698mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Pacific Junction. In December, in Pacific Junction, it is snowing for 6.5 days. Throughout December, 1.97" (50mm) of snow is accumulated. In Pacific Junction, during the entire year, snow falls for 31.3 days and aggregates up to 12.56" (319mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Pacific Junction, sunrise is at 7:29 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:05 pm CST.
Sunshine
In December, the average sunshine in Pacific Junction is 5h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Pacific Junction in December?
What is the average humidity in December in Pacific Junction?
How many days does it rain in December in Pacific Junction?
How many days does it snow in December in Pacific Junction?
What is the month with the shortest days in Pacific Junction?
How many hours of daylight does Pacific Junction have in December?
When is the sunrise / sunset in December in Pacific Junction?
How long on average sun shines in December in Pacific Junction?
What are the months with the lowest UV index in Pacific Junction?
What is the UV index reading in December in Pacific Junction?
Average temperature in December
Pacific Junction, IA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Pacific Junction, IA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Pacific Junction, IA
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Pacific Junction, IA
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Pacific Junction, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.57").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in December
Pacific Junction, IA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Pacific Junction, IA
- Average snowfall in December: 1.97"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pacific Junction, IA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pacific Junction, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Pacific Junction, IA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Pacific Junction, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Pacific Junction, IA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Pacific Junction, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Pacific Junction, Iowa, USA
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