December weather forecast
Dexter, OH

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Weather in December

The first month of the winter, December, is also an icy month in Dexter, Ohio, with an average temperature varying between 30.6°F (-0.8°C) and 41.7°F (5.4°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a fresh 51.6°F (10.9°C) in November to a wintry 41.7°F (5.4°C). In Dexter, an average low-temperature of 30.6°F (-0.8°C) is recorded during December nights.

Humidity

In December, the average relative humidity in Dexter, Ohio, is 82%.

Rainfall

In Dexter, in December, it is raining for 7.8 days, with typically 0.83" (21mm) of accumulated precipitation. In Dexter, during the entire year, the rain falls for 103.2 days and collects up to 8.23" (209mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Dexter. In December, it is snowing for 5.1 days. Throughout December, 0.39" (10mm) of snow is accumulated. In Dexter, during the entire year, snow falls for 27.2 days and aggregates up to 2.52" (64mm) of snow.

Daylight

December has the shortest days of the year in Dexter, 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, in Dexter, 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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold is December in Dexter?

An average high-temperature, in December, in Dexter, is 41.7°F (5.4°C) and the average low-temperature is 30.6°F (-0.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 93.2°F (34°C).

What is the average humidity in December in Dexter?

In Dexter, Ohio, the average relative humidity in December is 82%.

How many days does it rain in December in Dexter?

In December, the rain falls for 7.8 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

How much does it snow in Dexter in December?

In Dexter, during December, snow falls for 5.1 days and regularly aggregates up to 0.39" (10mm) of snow.

What is the month with the shortest days in Dexter?

The month with the shortest days in Dexter is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Dexter?

The average day length in December in Dexter is 9h and 29min.

When is the sunrise / sunset in December in Dexter?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 5:06 pm. On the last day of the month, in Dexter, Ohio, sunrise is at 7:47 am and sunset at 5:16 pm EST.

How long on average sun shines in December in Dexter?

In December, the average sunshine duration in Dexter, Ohio, is 4.1h.

When is the lowest UV index in Dexter?

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

How high is the UV index in December in Dexter?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Dexter, OH

Average temperature in December - Dexter, 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).

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Average pressure in December
Dexter, OH

Average pressure in December - Dexter, 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).

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Average wind speed in December
Dexter, OH

Average wind speed in December - Dexter, 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).

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Average humidity in December
Dexter, OH

Average humidity in December - Dexter, 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%).

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Average rainfall in December
Dexter, OH

Average rainfall in December - Dexter, 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").

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Average rainfall days in December
Dexter, OH

Average rainfall days in December - Dexter, 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).

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Average snowfall in December
Dexter, OH

Average snowfall in December - Dexter, 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").

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Average snowfall days in December
Dexter, OH

Average snowfall days in December - Dexter, 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).

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

Average daylight in December / Average sunshine in December - Dexter, 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).

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Average sunshine days in December
Dexter, OH

Average sunshine days in December - Dexter, 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).

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Average UV index in December
Dexter, OH

Average UV index in December - Dexter, 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).

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Average cloud cover in December
Dexter, OH

Average cloud cover in December - Dexter, 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).

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Average visibility in December
Dexter, OH

Average visibility in December - Dexter, 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).

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Dexter, Ohio, USA

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