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
In Guilderland, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 45.5°F (7.5°C) to a wintry 34.7°F (1.5°C). During the month of December, an average low-temperature of 24.4°F (-4.2°C) is recorded.Humidity
In December, the average relative humidity in Guilderland is 81%.Rainfall
In Guilderland, during December, the rain falls for 11.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 160.4 rainfall days, and 32.44" (824mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 8.6 days. Throughout December, 6.81" (173mm) of snow is accumulated. In Guilderland, during the entire year, snow falls for 51.2 days and aggregates up to 32.09" (815mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:32 pm EST.
Sunshine
The average sunshine in December in Guilderland is 4.3h.UV index
December is the month with the lowest UV index in Guilderland, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Guilderland?
What is the average humidity in December in Guilderland?
How many days does it rain in December in Guilderland?
How many days does it snow in December in Guilderland?
What is the month with the shortest days in Guilderland?
What is the average length of the day in December in Guilderland?
When is the sunrise / sunset in December in Guilderland?
How long on average sun shines in December in Guilderland?
What is the month with the lowest UV index in Guilderland?
What is the UV index reading in December in Guilderland?
Average temperature in December
Guilderland, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in December
Guilderland, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Guilderland, NY
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Guilderland, NY
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Guilderland, NY
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Guilderland, NY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Guilderland, NY
- Average snowfall in December: 6.81"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Guilderland, NY
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Guilderland, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Guilderland, NY
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index in December
Guilderland, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Guilderland, NY
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Guilderland, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August and September (5mi).
Guilderland, New York, USA
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