December weather forecast and climate
Bonny Brook, AL

The first month of the winter, December, is also a fresh month in Bonny Brook, Alabama, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 39°F (3.9°C).

Temperature

In December, the average high-temperature marginally drops, from an enjoyable 61.2°F (16.2°C) in November, to a fresh 54°F (12.2°C). The average low-temperature, in Bonny Brook, is 39°F (3.9°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

December is the month with the most rainfall in Bonny Brook. Rain falls for 14 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Bonny Brook. Throughout December, in the average 0.7 snowfall days, it receives 0.47" (12mm) of snow. In Bonny Brook, during the entire year, snow falls for 4 days, and aggregates up to 1.57" (40mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9.9h of daylight.

Sunshine

The average sunshine in Bonny Brook, Alabama, is 5h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Bonny Brook?

In December, in Bonny Brook, Alabama, the average high-temperature is 54°F (12.2°C), and the average low-temperature is 39°F (3.9°C).

What is the most humid month in Bonny Brook?

The most humid month in Bonny Brook, Alabama, is December, with an average relative humidity of 80%.

What is the average humidity in December in Bonny Brook?

In December, the average relative humidity in Bonny Brook is 80%.

How much does it rain in Bonny Brook in December?

In Bonny Brook, Alabama, during December, the rain falls for 14 days and regularly aggregates up to 3.78" (96mm) of precipitation.

What is the wettest month in Bonny Brook?

December is the month with the most rainfall in Bonny Brook. Rain falls for 14 days and accumulates 3.78" (96mm) of precipitation.

When does it start to snow in Bonny Brook?

December is the first month it typically snows in Bonny Brook, Alabama. Throughout December, in the average 0.7 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days in Bonny Brook?

With an average of 9.9h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Bonny Brook?

In December, the average length of the day is 9.9h.

How many hours of sunshine does Bonny Brook have in December?

In Bonny Brook, Alabama, the average sunshine in December is 5h.

What is the month with the lowest UV index in Bonny Brook?

December is the month with the lowest UV index in Bonny Brook, Alabama, with an average maximum UV index of 2.

How high is the UV index in December in Bonny Brook?

The average daily maximum UV index in December in Bonny Brook is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
Average temperature in December - Bonny Brook, AL
  • Average high temperature in December: 54°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in December: 39°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in December - Bonny Brook, AL
  • Average pressure in December: 30.15"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in December - Bonny Brook, AL
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December - Bonny Brook, AL
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December - Bonny Brook, AL
  • Average rainfall in December: 3.78"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is October (2.24").

Average rainfall days in December - Bonny Brook, AL
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December - Bonny Brook, AL
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (0.83").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Bonny Brook, AL
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is January (1.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Bonny Brook, AL
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in December - Bonny Brook, AL
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December - Bonny Brook, AL
  • Average UV index in December: 2

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 2).

Average cloud cover in December - Bonny Brook, AL
  • Average cloud cover in December: 47

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in December - Bonny Brook, AL
  • 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).