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
With the transition into December, Malvern experiences a significant decrease in average high-temperatures, moving down from a chilly 49.1°F (9.5°C) in November to an icy 34.7°F (1.5°C). Malvern, in the month of December, anticipates a consistent average low-temperature of 22.5°F (-5.3°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Malvern, Iowa, during December, the rain falls for 5.2 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Malvern, 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 Malvern. In Malvern, Iowa, in December, snow falls for 6.5 days, with typically accumulated 1.97" (50mm) of snow. In Malvern, 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 the month, sunrise is at 7:28 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:04 pm CST.
Sunshine
In December, the average sunshine in Malvern, Iowa, is 5h.UV index
The months with the lowest UV index in Malvern 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 vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Malvern?
What is the average humidity in December in Malvern?
How much does it rain in Malvern in December?
How many days does it snow in December in Malvern?
What is the month with the shortest days in Malvern?
How many hours of daylight does Malvern have in December?
What time are sunrise and sunset in December in Malvern?
How many hours of sunshine does Malvern have in December?
What are the months with the lowest UV index in Malvern?
How high is the UV index in December in Malvern?
Average temperature in December
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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
Malvern, 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).
Malvern, Iowa, USA
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