December weather forecastHilltown, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Hilltown, Indiana, with an average temperature fluctuating between 42.6°F (5.9°C) and 30.9°F (-0.6°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's cool 52.2°F (11.2°C) to an icy 42.6°F (5.9°C). Throughout the month of December, Hilltown observes an average nighttime temperature of 30.9°F (-0.6°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Hilltown, in December, it is raining for 11.9 days, with typically 2.4" (61mm) of accumulated precipitation. In Hilltown, during the entire year, the rain falls for 163.7 days and collects up to 31.77" (807mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Hilltown, it is snowing for 7 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Hilltown, during the entire year, snow falls for 33 days and aggregates up to 8.78" (223mm) of snow.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 7:42 am and sunset at 5:21 pm. On the last day of December, sunrise is at 8:00 am and sunset at 5:31 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hilltown, IN
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Hilltown, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Hilltown, IN
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Hilltown, IN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Hilltown, IN
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Hilltown, IN
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Hilltown, IN
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hilltown, IN
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (9.4 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
Hilltown, IN
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Hilltown, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Hilltown, IN
- 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, November and December (UV index 2).
Average cloud cover in December
Hilltown, 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 29).
Average visibility in December
Hilltown, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).





