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 shift from November to December involves a decrease in the average high-temperature, from a cool 52.3°F (11.3°C) to a frosty 43.2°F (6.2°C). Spiller witnesses a consistent average low-temperature of 31.1°F (-0.5°C) throughout December.Humidity
The average relative humidity in December in Spiller, Ohio, is 81%.Rainfall
In December, in Spiller, Ohio, the rain falls for 13.2 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. In Spiller, Ohio, during the entire year, the rain falls for 178.2 days and collects up to 35.35" (898mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Spiller, it is snowing for 8.3 days. Throughout December, 2.83" (72mm) of snow is accumulated. In Spiller, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.Daylight
December has the shortest days of the year in Spiller, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 5:05 pm. On the last day of December, in Spiller, sunrise is at 7:46 am and sunset at 5:15 pm EST.
Sunshine
In December, the average sunshine in Spiller is 4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Spiller, Ohio. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold does it get in Spiller in December?
What is the average humidity in December in Spiller?
How much does it rain in Spiller in December?
How many days does it snow in December in Spiller?
What is the month with the shortest days in Spiller?
How many hours of daylight does Spiller have in December?
What time are sunrise and sunset in December in Spiller?
How long on average sun shines in December in Spiller?
When is the lowest UV index in Spiller?
What is the UV index intensity in December in Spiller?
Average temperature in December
Spiller, OH
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Spiller, OH
- Average pressure in December: 30.14"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
Spiller, OH
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Spiller, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Spiller, OH
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Spiller, OH
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in December
Spiller, OH
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spiller, OH
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spiller, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Spiller, OH
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).
Average UV index in December
Spiller, OH
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Spiller, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Spiller, 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, February, March, May, June, July, August, September, October and December (5mi).
Spiller, Ohio, USA
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