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's onset brings a reduction in the average high-temperature, from a frosty 48°F (8.9°C) in November to an icy 37°F (2.8°C). Delphos experiences a steady low-temperature of 27.3°F (-2.6°C) throughout December.Humidity
The average relative humidity in December is 82%.Rainfall
In Delphos, during December, the rain falls for 7.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Delphos, during the entire year, the rain falls for 130 days and collects up to 12.52" (318mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 7.1 days. Throughout December, 0.75" (19mm) of snow is accumulated. Throughout the year, in Delphos, there are 34.2 snowfall days, and 4.49" (114mm) 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, sunrise is at 7:43 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:19 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Delphos?
What is the month with the shortest days?
How many hours of daylight does Delphos 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 in Delphos?
Average temperature in December
Delphos, OH
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Delphos, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Delphos, OH
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Delphos, 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 October (74%).
Average rainfall in December
Delphos, OH
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Delphos, OH
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (15.8 days).
The months with the least rainy days are January and February (6.1 days).
Average snowfall in December
Delphos, OH
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Delphos, OH
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Delphos, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Delphos, OH
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Delphos, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Delphos, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Delphos, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Delphos, Ohio, USA
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