December weather forecastPleasant Plain, IA
December
Weather in December
The first month of the winter, December, is also an icy month in Pleasant Plain, Iowa, with an average temperature ranging between max 35.2°F (1.8°C) and min 24.1°F (-4.4°C).Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a chilly 47.7°F (8.7°C) in November to a cold 35.2°F (1.8°C). Pleasant Plain's average low-temperature is measured at a freezing cold 24.1°F (-4.4°C) during December.Humidity
The average relative humidity in December is 79%.Rainfall
The months with the least rainfall in Pleasant Plain, Iowa, are January and December Rain falls for 7.1 days and accumulates 1.18" (30mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6.5 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, there are 32.1 snowfall days, and 14.33" (364mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:48 pm CST.
Sunshine
In Pleasant Plain, the average sunshine in December is 4.5h.UV index
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 radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pleasant Plain, IA
- Average high temperature in December: 35.2°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 (29.1°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Pleasant Plain, 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 (29.9"Hg).
Average wind speed in December
Pleasant Plain, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Pleasant Plain, IA
- Average humidity in December: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Pleasant Plain, IA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in December
Pleasant Plain, IA
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Pleasant Plain, IA
- Average snowfall in December: 1.65"
The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pleasant Plain, IA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (10.3 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
Pleasant Plain, IA
- Average daylight in December: 9h and 18min
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 30min
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 6min).
Average sunshine days in December
Pleasant Plain, IA
- Average sunshine days in December: 18 days
The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Pleasant Plain, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Pleasant Plain, IA
- Average cloud cover in December: 52
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 30).
Average visibility in December
Pleasant Plain, 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).
