December weather forecastPlato, IA
December
Weather in December
The first month of the winter, December, is also a wintry month in Plato, Iowa, with an average temperature fluctuating between 33.8°F (1°C) and 23°F (-5°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a frosty 46.2°F (7.9°C) in November to a cold 33.8°F (1°C). During December, Plato's temperature falls to a steady low-temperature average of 23°F (-5°C).Humidity
In December, the average relative humidity in Plato is 81%.Rainfall
In Plato, in December, it is raining for 6.5 days, with typically 1.42" (36mm) of accumulated precipitation. In Plato, during the entire year, the rain falls for 139.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Plato, in December, snow falls for 7.3 days, with typically accumulated 2.44" (62mm) of snow. In Plato, during the entire year, snow falls for 34.5 days and aggregates up to 16.85" (428mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:44 pm CST.
Sunshine
In Plato, the average sunshine in December is 4.5h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plato, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Plato, 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
Plato, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Plato, IA
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Plato, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Plato, IA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Plato, IA
- Average snowfall in December: 2.44"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Plato, IA
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plato, IA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- 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
Plato, IA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Plato, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Plato, IA
- Average cloud cover in December: 53
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
Plato, 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).
