December weather forecastWayport, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Wayport, Indiana, with an average temperature ranging between max 40.3°F (4.6°C) and min 28.9°F (-1.7°C).Temperature
The beginning of December marks a decrease in the average high-temperature, transitioning from a fresh 50.9°F (10.5°C) in November to a wintry 40.3°F (4.6°C). The average temperature drops to a subzero cold 28.9°F (-1.7°C) during the night in the month of December.Humidity
The months with the highest humidity are May, July and December, with an average relative humidity of 82%.Rainfall
In Wayport, during December, the rain falls for 9.1 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 143.5 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Wayport, in December, during 5.9 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 26.8 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 5:23 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:33 pm EST.
Sunshine
January and December, with an average of 4.3h of sunshine, are months with the least sunshine in Wayport.UV index
January, February, October and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wayport, IN
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Wayport, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Wayport, IN
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Wayport, IN
- Average humidity in December: 82%
The months with the highest relative humidity are May, July and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Wayport, IN
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Wayport, IN
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Wayport, IN
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wayport, IN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (7.3 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
Wayport, IN
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Wayport, IN
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Wayport, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October and December (UV index 2).
Average cloud cover in December
Wayport, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Wayport, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





