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
During the transition into December, Portageville observes a decrease in the average high-temperature, falling from a frosty 44.2°F (6.8°C) in November to a cold 34.3°F (1.3°C). Portageville witnesses a consistent average low-temperature of 24.6°F (-4.1°C) throughout December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Portageville, New York, during December, the rain falls for 10.1 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Portageville, during the entire year, the rain falls for 165.3 days and collects up to 24.09" (612mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Portageville. In December, in Portageville, it is snowing for 16.1 days. Throughout December, 5.94" (151mm) of snow is accumulated. In Portageville, New York, during the entire year, snow falls for 83.5 days and aggregates up to 30.98" (787mm) 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 the month, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index in Portageville are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is it in Portageville in December?
What is the average humidity in December in Portageville?
How much does it rain in Portageville in December?
How much does it snow in Portageville in December?
What is the month with the shortest days in Portageville?
What is the average length of the day in December in Portageville?
What time are sunrise and sunset in December in Portageville?
How long on average sun shines in December in Portageville?
What are the months with the lowest UV index in Portageville?
How high is the UV index in December in Portageville?
Average temperature in December
Portageville, NY
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Portageville, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Portageville, NY
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Portageville, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Portageville, NY
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Portageville, NY
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Portageville, NY
- Average snowfall in December: 5.94"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Portageville, NY
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Portageville, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Portageville, NY
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Portageville, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Portageville, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Portageville, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May and June (6mi).
The month with the lowest visibility is January (4mi).
Portageville, New York, USA
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