December weather forecast
Wellsville, OH

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Weather in December

December, the first month of the winter in Wellsville, is still a cold month, with an average temperature fluctuating between 38.5°F (3.6°C) and 27.3°F (-2.6°C).

Temperature

In Wellsville, entering December brings a temperature decrement, reducing from November's frosty 48.6°F (9.2°C) to a wintry 38.5°F (3.6°C). Wellsville experiences a mean temperature of 27.3°F (-2.6°C) during December nights.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Wellsville, Ohio, in December, during 11.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Wellsville, during the entire year, the rain falls for 161.5 days and collects up to 22.72" (577mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 11.1 days. Throughout December, 2.56" (65mm) of snow is accumulated. Throughout the year, there are 54.4 snowfall days, and 13.39" (340mm) 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 December in Wellsville, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:05 pm EST.

Sunshine

The average sunshine in December is 3.4h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 1 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The high-temperature during December is 38.5°F (3.6°C) and the low-temperature is 27.3°F (-2.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in December?

In Wellsville, the average relative humidity in December is 84%.

How many days does it rain in December?

In Wellsville, during December, the rain falls for 11.5 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 11.1 days. Throughout December, 2.56" (65mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 20min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:05 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.4h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Wellsville, OH

Average temperature in December - Wellsville, OH
  • Average high temperature in December: 38.5°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 (32.5°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in December
Wellsville, OH

Average pressure in December - Wellsville, OH
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Wellsville, OH

Average wind speed in December - Wellsville, OH
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Wellsville, OH

Average humidity in December - Wellsville, OH
  • Average humidity in December: 84%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in December
Wellsville, OH

Average rainfall in December - Wellsville, OH
  • Average rainfall in December: 1.77"

The wettest months (with the highest rainfall) are April and May (2.24").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days in December
Wellsville, OH

Average rainfall days in December - Wellsville, OH
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Wellsville, OH

Average snowfall in December - Wellsville, OH
  • Average snowfall in December: 2.56"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Wellsville, OH

Average snowfall days in December - Wellsville, OH
  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Wellsville, OH

Average daylight in December / Average sunshine in December - Wellsville, OH
  • 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 18min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Wellsville, OH

Average sunshine days in December - Wellsville, OH
  • Average sunshine days in December: 12 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.5 days).

Average UV index in December
Wellsville, OH

Average UV index in December - Wellsville, OH
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Wellsville, OH

Average cloud cover in December - Wellsville, OH
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Wellsville, OH

Average visibility in December - Wellsville, OH
  • Average visibility in December: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).

Wellsville, Ohio, USA

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