December weather forecastLeavenworth, IN
December
Weather in December
December, the first month of the winter in Leavenworth, is also a frosty month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 43.9°F (6.6°C).Temperature
With December's arrival, Leavenworth sees a decrease in average high-temperatures, moving from a fresh 52.9°F (11.6°C) in November to a frosty 43.9°F (6.6°C). Throughout December, the average low-temperature in Leavenworth dips to a freezing cold 31.8°F (-0.1°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In Leavenworth, during December, the rain falls for 11.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Leavenworth, during the entire year, the rain falls for 160 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall in Leavenworth are January through April, September through December. In December, it is snowing for 5.5 days. Throughout December, 1.14" (29mm) of snow is accumulated. Throughout the year, there are 26.8 snowfall days, and 7.91" (201mm) of snow is accumulated.Daylight
The month with the shortest days in Leavenworth is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:25 pm. On the last day of December, in Leavenworth, sunrise is at 8:01 am and sunset at 5:35 pm EST.
Sunshine
The month with the least sunshine in Leavenworth is December, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Leavenworth, IN
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Leavenworth, IN
- 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 (29.95"Hg).
Average wind speed in December
Leavenworth, IN
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Leavenworth, IN
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Leavenworth, IN
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Leavenworth, IN
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Leavenworth, IN
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Leavenworth, IN
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Leavenworth, IN
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Leavenworth, IN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Leavenworth, 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, November and December (UV index 2).
Average cloud cover in December
Leavenworth, IN
- Average cloud cover in December: 55
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
Leavenworth, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
