December weather forecast
Houston, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Houston, Indiana, with an average temperature ranging between max 42.3°F (5.7°C) and min 30.6°F (-0.8°C).

Temperature

The transition into December involves a decrease in the average high-temperature, falling from a fresh 51.6°F (10.9°C) in November to an icy 42.3°F (5.7°C). Houston records an average nighttime low-temperature of 30.6°F (-0.8°C) throughout December.

Humidity

December is the most humid month in Houston, Indiana, with an average relative humidity of 81%.

Rainfall

In Houston, Indiana, during December, the rain falls for 10.7 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 29.72" (755mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 7.3 days. Throughout December, 1.81" (46mm) of snow is accumulated. In Houston, during the entire year, snow falls for 32.5 days and aggregates up to 8.74" (222mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:45 am and sunset at 5:22 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:32 pm EST.

Sunshine

With an average of 4.1h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Houston are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Houston, is 42.3°F (5.7°C), while the average low-temperature is 30.6°F (-0.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 93.2°F (34°C).

What is the most humid month in Houston?

The most humid month is December, with an average relative humidity of 81%.

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Houston, in December, during 10.7 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Houston, during December, snow falls for 7.3 days and regularly aggregates up to 1.81" (46mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Houston have in December?

In Houston, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:32 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.1h of sunshine.

How many hours of sunshine does Houston have in December?

The average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Houston, IN

Average temperature in December - Houston, IN
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in December
Houston, IN

Average pressure in December - Houston, IN
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Houston, IN

Average wind speed in December - Houston, IN
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are January, February and April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Houston, IN

Average humidity in December - Houston, IN
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Houston, IN

Average rainfall in December - Houston, IN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Houston, IN

Average rainfall days in December - Houston, IN
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9 days).

Average snowfall in December
Houston, IN

Average snowfall in December - Houston, IN
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Houston, IN

Average snowfall days in December - Houston, IN
  • Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (8.8 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
Houston, IN

Average daylight in December / Average sunshine in December - Houston, IN
  • 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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in December
Houston, IN

Average sunshine days in December - Houston, IN
  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in December
Houston, IN

Average UV index in December - Houston, IN
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Houston, IN

Average cloud cover in December - Houston, IN
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Houston, IN

Average visibility in December - Houston, IN
  • Average visibility in December: 5mi

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

Houston, Indiana, USA

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