December weather forecast
Relius, NY

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Weather in December

The first month of the winter, December, is still a cold month in Relius, New York, with an average temperature varying between 34.7°F (1.5°C) and 25.7°F (-3.5°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 45.3°F (7.4°C) in November to a wintry 34.7°F (1.5°C). Relius encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 25.7°F (-3.5°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Relius, in December, it is raining for 9.9 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 164.7 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Relius, during December, snow falls for 16 days and regularly aggregates up to 7.24" (184mm) of snow. Throughout the year, in Relius, there are 80.8 snowfall days, and 35.91" (912mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Relius.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:42 pm EST.

Sunshine

In Relius, the average sunshine in December is 2.9h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. 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. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, in Relius, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in December?

The average relative humidity in December is 85%.

How many days does it rain in December?

In Relius, during December, the rain falls for 9.9 days and regularly aggregates up to 2.4" (61mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 16 days. Throughout December, 7.24" (184mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 5min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:18 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:42 pm EST.

How long on average sun shines in December in Relius?

In December, the average sunshine duration is 2.9h.

When is the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Relius, NY

Average temperature in December - Relius, NY
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in December: 25.7°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 (17.4°F).

Average pressure in December
Relius, NY

Average pressure in December - Relius, 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
Relius, NY

Average wind speed in December - Relius, NY
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in December
Relius, NY

Average humidity in December - Relius, NY
  • Average humidity in December: 85%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).

Average rainfall in December
Relius, NY

Average rainfall in December - Relius, NY
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is October (3.27").
The driest months (with the least rainfall) are January and September (1.93").

Average rainfall days in December
Relius, NY

Average rainfall days in December - Relius, NY
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in December
Relius, NY

Average snowfall in December - Relius, NY
  • Average snowfall in December: 7.24"

The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Relius, NY

Average snowfall days in December - Relius, NY
  • Average snowfall days in December: 16 days

The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Relius, NY

Average daylight in December / Average sunshine in December - Relius, 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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in December
Relius, NY

Average sunshine days in December - Relius, NY
  • Average sunshine days in December: 8 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.3 days).

Average UV index in December
Relius, NY

Average UV index in December - Relius, 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, February and December (UV index 1).

Average cloud cover in December
Relius, NY

Average cloud cover in December - Relius, NY
  • Average cloud cover in December: 71

The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Relius, NY

Average visibility in December - Relius, NY
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Relius, New York, USA

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