December weather forecast
Falmouth, IN

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Weather in December

The first month of the winter, December, is still a cold month in Falmouth, Indiana, with an average temperature ranging between min 28.4°F (-2°C) and max 38.8°F (3.8°C).

Temperature

The onset of December introduces a moderate change in Falmouth's weather, with average high-temperatures falling from November's frosty 49.1°F (9.5°C) to a cold 38.8°F (3.8°C). Falmouth's December nights cool down to an average low-temperature of 28.4°F (-2°C).

Humidity

January, February, July and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Falmouth, in December, during 10.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Falmouth, during the entire year, the rain falls for 157.2 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Falmouth, during December, snow falls for 8.5 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, there are 36.6 snowfall days, and 8.9" (226mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:43 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:27 pm EST.

Sunshine

In Falmouth, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

How cold does it get in December?

The average high-temperature, in December, in Falmouth, is 38.8°F (3.8°C), while the average low-temperature is 28.4°F (-2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is computed to be 87.8°F (31°C).

What is the most humid month in Falmouth?

The months with the highest humidity are January, February, July and December, with an average relative humidity of 82%.

What is the average humidity in December?

In December, the average relative humidity is 82%.

How many days does it rain in December?

In December, the rain falls for 10.6 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 8.5 days. Throughout December, 1.89" (48mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Falmouth?

In Falmouth, the average day length in December is 9h and 25min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:43 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:27 pm EST.

How long on average sun shines in December?

In Falmouth, 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, October through 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 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
Falmouth, IN

Average temperature in December - Falmouth, IN
  • Average high temperature in December: 38.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28.4°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 (21.6°F).

Average pressure in December
Falmouth, IN

Average pressure in December - Falmouth, IN
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Falmouth, IN

Average wind speed in December - Falmouth, IN
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Falmouth, IN

Average humidity in December - Falmouth, IN
  • Average humidity in December: 82%

The months with the highest relative humidity are January, February, July and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Falmouth, IN

Average rainfall in December - Falmouth, IN
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Falmouth, IN

Average rainfall days in December - Falmouth, IN
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in December
Falmouth, IN

Average snowfall in December - Falmouth, IN
  • Average snowfall in December: 1.89"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Falmouth, IN

Average snowfall days in December - Falmouth, IN
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (10.6 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
Falmouth, IN

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

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 24min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Falmouth, IN

Average sunshine days in December - Falmouth, IN
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in December
Falmouth, IN

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

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

Average cloud cover in December
Falmouth, IN

Average cloud cover in December - Falmouth, IN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Falmouth, IN

Average visibility in December - Falmouth, 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).

Falmouth, Indiana, USA

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