December weather forecastHolland, IA
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Holland, Iowa, with an average temperature ranging between min 20.5°F (-6.4°C) and max 31.1°F (-0.5°C).Temperature
Holland's December weather shows a moderate shift in high-temperatures, falling from November's chilly 44.6°F (7°C) to a subzero cold 31.1°F (-0.5°C). An average minimum temperature of 20.5°F (-6.4°C) marks the month of December.Humidity
The average relative humidity in December is 82%.Rainfall
In Holland, in December, during 5.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Holland, during the entire year, the rain falls for 137.9 days and collects up to 28.62" (727mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Holland, Iowa. In Holland, in December, snow falls for 8.8 days, with typically accumulated 2.83" (72mm) of snow. Throughout the year, there are 42.6 snowfall days, and 17.36" (441mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:48 pm CST.
Sunshine
In Holland, the average sunshine in December is 4.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Holland, IA
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Holland, 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 (29.89"Hg).
Average wind speed in December
Holland, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Holland, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Holland, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Holland, IA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Holland, IA
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Holland, IA
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holland, IA
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Holland, IA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Holland, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Holland, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Holland, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
