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
Onset of December comes with a temperature decline, the average high falling from a frosty 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°C). In Lake Hiawatha, December is marked by an average low-temperature of 29.1°F (-1.6°C).Humidity
February, October and December, with an average relative humidity of 80%, are the most humid months.Rainfall
December is the month with the most rainfall in Lake Hiawatha. Rain falls for 11.2 days and accumulates 3.43" (87mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lake Hiawatha. In Lake Hiawatha, in December, snow falls for 4.7 days, with typically accumulated 2.24" (57mm) of snow. Throughout the year, in Lake Hiawatha, there are 30.9 snowfall days, and 15.79" (401mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:39 pm EST.
Sunshine
In Lake Hiawatha, the average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lake Hiawatha, New Jersey. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Lake Hiawatha in December?
What is the most humid month in Lake Hiawatha?
What is the average humidity in December in Lake Hiawatha?
What is the rainiest month in Lake Hiawatha?
How much does it rain in Lake Hiawatha in December?
How much does it snow in Lake Hiawatha in December?
What is the month with the shortest days in Lake Hiawatha?
What is the average length of the day in December in Lake Hiawatha?
When is the sunrise / sunset in December in Lake Hiawatha?
How long on average sun shines in December in Lake Hiawatha?
What are the months with the lowest UV index in Lake Hiawatha?
What is the UV index intensity in December in Lake Hiawatha?
Average temperature in December
Lake Hiawatha, NJ
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Lake Hiawatha, NJ
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Lake Hiawatha, NJ
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Lake Hiawatha, NJ
- Average humidity in December: 80%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Lake Hiawatha, NJ
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Lake Hiawatha, NJ
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Lake Hiawatha, NJ
- Average snowfall in December: 2.24"
The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lake Hiawatha, NJ
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Hiawatha, NJ
- 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Lake Hiawatha, NJ
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in December
Lake Hiawatha, NJ
- 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, March, November and December (UV index 2).
Average cloud cover in December
Lake Hiawatha, NJ
- Average cloud cover in December: 50
The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Lake Hiawatha, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).
Lake Hiawatha, New Jersey, USA
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