December weather forecast
Rocky Ford, IN

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Weather in December

December, the first month of the winter in Rocky Ford, is also a wintry month, with an average temperature fluctuating between 37.6°F (3.1°C) and 27.3°F (-2.6°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a chilly 48.7°F (9.3°C) in November to a wintry 37.6°F (3.1°C). An average low-temperature of 27.3°F (-2.6°C) is anticipated throughout the nights during December.

Humidity

In Rocky Ford, the average relative humidity in December is 81%.

Rainfall

In Rocky Ford, in December, during 10 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 161.5 rainfall days, and 27.91" (709mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Rocky Ford, in December, snow falls for 8.5 days, with typically accumulated 2.24" (57mm) of snow. In Rocky Ford, during the entire year, snow falls for 37.6 days and aggregates up to 10.59" (269mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:53 am and sunset at 5:23 pm. On the last day of December, sunrise is at 8:12 am and sunset at 5:33 pm EST.

Sunshine

The average sunshine in December is 4.4h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 1 in December suggests the following recommendations:
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. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

During December, Rocky Ford experiences an average high-temperature of 37.6°F (3.1°C) and a low-temperature of 27.3°F (-2.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Rocky Ford, in December, it is raining for 10 days, with typically 1.65" (42mm) of accumulated precipitation.

How much does it snow in December?

In Rocky Ford, in December, snow falls for 8.5 days, with typically accumulated 2.24" (57mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In Rocky Ford, the average day length in December is 9h and 21min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:53 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:33 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.4h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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
Rocky Ford, IN

Average temperature in December - Rocky Ford, IN
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in December
Rocky Ford, IN

Average pressure in December - Rocky Ford, IN
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Rocky Ford, IN

Average wind speed in December - Rocky Ford, IN
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Rocky Ford, IN

Average humidity in December - Rocky Ford, IN
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Rocky Ford, IN

Average rainfall in December - Rocky Ford, IN
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
Rocky Ford, IN

Average rainfall days in December - Rocky Ford, IN
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
Rocky Ford, IN

Average snowfall in December - Rocky Ford, IN
  • Average snowfall in December: 2.24"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Rocky Ford, IN

Average snowfall days in December - Rocky Ford, IN
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rocky Ford, IN

Average daylight in December / Average sunshine in December - Rocky Ford, IN
  • Average daylight in December: 9h and 2min

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: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Rocky Ford, IN

Average sunshine days in December - Rocky Ford, IN
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).

Average UV index in December
Rocky Ford, IN

Average UV index in December - Rocky Ford, IN
  • 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
Rocky Ford, IN

Average cloud cover in December - Rocky Ford, IN
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).

Average visibility in December
Rocky Ford, IN

Average visibility in December - Rocky Ford, IN
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Rocky Ford, Indiana, USA

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