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
December brings a minor decrease, with the average high-temperature reducing from a cool 51.6°F (10.9°C) in November to a wintry 41.7°F (5.4°C). In December, the nighttime temperature lowers to an average of 30.6°F (-0.8°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Welsh, in December, it is raining for 7.8 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 103.2 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Welsh, in December, during 5.1 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Welsh, during the entire year, snow falls for 27.2 days and aggregates up to 2.52" (64mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:16 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Welsh?
How many hours of daylight does Welsh have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Welsh, OH
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Welsh, OH
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Welsh, OH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Welsh, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Welsh, OH
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Welsh, OH
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in December
Welsh, OH
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Welsh, OH
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Welsh, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Welsh, OH
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (15.5 days).
Average UV index in December
Welsh, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Welsh, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Welsh, OH
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Welsh, Ohio, USA
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