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
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's fresh 52.2°F (11.2°C) to a frosty 43.9°F (6.6°C). An average low-temperature of 34.5°F (1.4°C) is recorded during the nights in December.Humidity
In Montrose, New Jersey, the average relative humidity in December is 76%.Rainfall
In Montrose, in December, during 4.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Montrose, during the entire year, the rain falls for 68.3 days and collects up to 5.75" (146mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 0.08" (2mm) of snow. In Montrose, during the entire year, snow falls for 8.7 days and aggregates up to 0.43" (11mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Montrose, sunrise is at 7:00 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine in Montrose is 5.1h.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold does it get in Montrose in December?
What is the average humidity in December in Montrose?
How many days does it rain in December in Montrose?
When does it start to snow in Montrose?
What is the month with the shortest days in Montrose?
What is the average length of the day in December in Montrose?
What time are sunrise and sunset in December in Montrose?
How many hours of sunshine does Montrose have in December?
What is the month with the lowest UV index in Montrose?
What is the UV index reading in December in Montrose?
Average temperature in December
Montrose, NJ
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Montrose, 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
Montrose, NJ
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Montrose, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Montrose, NJ
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is July (0.71").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in December
Montrose, NJ
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is July (8 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in December
Montrose, NJ
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Montrose, NJ
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Montrose, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Montrose, NJ
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in December
Montrose, 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, November and December (UV index 2).
Average cloud cover in December
Montrose, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Montrose, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Montrose, New Jersey, USA
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