December weather forecast
Forest Hill, TX

Weather in December

December, the first month of the winter, in Forest Hill, is also a moderate month, with average temperature fluctuating between 41.4°F (5.2°C) and 56.1°F (13.4°C).

Temperature

In Forest Hill, the average high-temperature slightly decreases, from an enjoyable 64.8°F (18.2°C) in November, to a mild 56.1°F (13.4°C). In Forest Hill, in December, the average low-temperature is 41.4°F (5.2°C).

Humidity

In December, the average relative humidity in Forest Hill, Texas, is 68%.

Rainfall

In Forest Hill, in December, during 8.6 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 132.4 rainfall days, and 25.87" (657mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January, February, November and December. In Forest Hill, Texas, in December, during 0.5 snowfall days, 0.04" (1mm) of snow is typically accumulated. Throughout the year, in Forest Hill, there are 2.7 snowfall days, and 0.91" (23mm) of snow is accumulated.

Daylight

The month with the shortest days in Forest Hill is December, with an average of 10h of daylight.

Sunshine

December has the least sunshine of the year in Forest Hill, with an average of 5.7h of sunshine.

UV index

Months with the lowest UV index in Forest Hill are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Forest Hill?

The average relative humidity in December in Forest Hill is 68%.

How much does it rain in Forest Hill in December?

In December, in Forest Hill, the rain falls for 8.6 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How many days does it snow in December in Forest Hill?

In December, in Forest Hill, it is snowing for 0.5 days. Throughout December, 0.04" (1mm) of snow is accumulated.

What is the month with the shortest days in Forest Hill?

The month with the shortest days is December, with an average of 10h of daylight.

What is the average length of the day in December in Forest Hill?

In Forest Hill, Texas, the average length of the day in December is 10h.

What is the month with the least sunshine in Forest Hill?

The month with the least sunshine is December, with an average of 5.7h of sunshine.

How many hours of sunshine does Forest Hill have in December?

In December, the average sunshine is 5.7h.

What are the months with the lowest UV index in Forest Hill?

Months with the lowest UV index in Forest Hill, Texas, are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Forest Hill?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Forest Hill, TX

Average temperature in December - Forest Hill, TX
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

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Average pressure in December
Forest Hill, TX

Average pressure in December - Forest Hill, TX
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in December
Forest Hill, TX

Average wind speed in December - Forest Hill, TX
  • Average wind speed in December: 8.6mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

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Average humidity in December
Forest Hill, TX

Average humidity in December - Forest Hill, TX
  • Average humidity in December: 68%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in December
Forest Hill, TX

Average rainfall in December - Forest Hill, TX
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in December
Forest Hill, TX

Average rainfall days in December - Forest Hill, TX
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is September (14.9 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in December
Forest Hill, TX

Average snowfall in December - Forest Hill, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.79").
Months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in December
Forest Hill, TX

Average snowfall days in December - Forest Hill, TX
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.6 days).
Months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Forest Hill, TX

Average daylight in December / Average sunshine in December - Forest Hill, TX
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 5.7h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in December
Forest Hill, TX

Average sunshine days in December - Forest Hill, TX
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is September (13.2 days).

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Average UV index in December
Forest Hill, TX

Average UV index in December - Forest Hill, TX
  • Average UV index in December: 3

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Forest Hill, TX

Average cloud cover in December - Forest Hill, TX
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in December
Forest Hill, TX

Average visibility in December - Forest Hill, TX
  • Average visibility in December: 6mi

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

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