December weather forecast
Altoona, FL

Weather in December

December, the first month of the winter in Altoona, is also an agreeable month, with an average temperature ranging between min 54.5°F (12.5°C) and max 71.4°F (21.9°C).

Temperature

In Altoona, the average high-temperature in December is almost the same as in November - an agreeable 71.4°F (21.9°C). In Altoona, the average low-temperature is 54.5°F (12.5°C).

Humidity

In Altoona, the average relative humidity in December is 77%.

Rainfall

In December, in Altoona, the rain falls for 10.5 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. Throughout the year, in Altoona, there are 193.1 rainfall days, and 35.71" (907mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Altoona is December, with an average of 10h and 20min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 5:28 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:39 pm EST.

Sunshine

With an average of 6.1h of sunshine, December has the least sunshine of the year.

UV index

In December, the average daily maximum UV index in Altoona is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in December transform into the following instructions:
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 the 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.
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FAQ

What is the average humidity in December in Altoona?

In December, the average relative humidity in Altoona is 77%.

How much does it rain in Altoona in December?

In Altoona, during December, the rain falls for 10.5 days and regularly aggregates up to 2.17" (55mm) of precipitation.

What is the month with the shortest days in Altoona?

With an average of 10h and 20min of daylight, December has the shortest days of the year in Altoona, Florida.

How many hours of daylight does Altoona have in December?

In December, the average day length in Altoona is 10h and 20min.

When are sunrise and sunset in December in Altoona?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:39 pm EST.

What is the month with the least sunshine in Altoona?

The month with the least sunshine in Altoona is December, with an average of 6.1h of sunshine.

How long on average sun shines in December in Altoona?

In Altoona, Florida, the average sunshine duration in December is 6.1h.

What is the UV index reading in December in Altoona?

In Altoona, Florida, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Altoona, FL

Average temperature in December - Altoona, FL
  • Average high temperature in December: 71.4°F

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (67.5°F).

  • Average low temperature in December: 54.5°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (49.5°F).

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Average pressure in December
Altoona, FL

Average pressure in December - Altoona, FL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in December
Altoona, FL

Average wind speed in December - Altoona, FL
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in December
Altoona, FL

Average humidity in December - Altoona, FL
  • Average humidity in December: 77%

The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in December
Altoona, FL

Average rainfall in December - Altoona, FL
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is July (5.91").
The driest months (with the least rainfall) are March and November (1.26").

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Average rainfall days in December
Altoona, FL

Average rainfall days in December - Altoona, FL
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (26.9 days).
The month with the least rainy days is January (9.2 days).

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Average daylight in December /
Average sunshine in December
Altoona, FL

Average daylight in December / Average sunshine in December - Altoona, FL
  • Average daylight in December: 10h and 20min

The month with the longest days is June (Average daylight: 13h and 58min).
The month with the shortest days is December (Average daylight: 10h and 20min).

  • Average sunshine in December: 6h and 6min

The months with the most sunshine are May and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in December
Altoona, FL

Average sunshine days in December - Altoona, FL
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (2.1 days).

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Average UV index in December
Altoona, FL

Average UV index in December - Altoona, FL
  • Average UV index in December: 5

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in December
Altoona, FL

Average cloud cover in December - Altoona, FL
  • Average cloud cover in December: 37

The months with the most cloud cover are February and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 29).

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Average visibility in December
Altoona, FL

Average visibility in December - Altoona, FL
  • Average visibility in December: 6mi

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

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