December weather forecastCalcutta, OH
December
Weather in December
December, the first month of the winter in Calcutta, is also an icy month, with an average temperature varying between 27.3°F (-2.6°C) and 38.5°F (3.6°C).Temperature
December brings a decrease in the average high-temperature, falling from November's frosty 48.6°F (9.2°C) to an icy 38.5°F (3.6°C). An average low-temperature of 27.3°F (-2.6°C) is observed during the December nights.Humidity
In Calcutta, Ohio, the average relative humidity in December is 84%.Rainfall
In Calcutta, in December, during 11.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 161.5 rainfall days, and 22.72" (577mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Calcutta, in December, snow falls for 11.1 days, with typically accumulated 2.56" (65mm) of snow. In Calcutta, during the entire year, snow falls for 54.4 days and aggregates up to 13.39" (340mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Calcutta.On the first day of December, sunrise is at 7:27 am and sunset at 4:55 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
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, OH
- Average daylight in December: 9h and 18min
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 24min
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
Calcutta, 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
Calcutta, 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
Calcutta, 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
Calcutta, 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).
