December weather forecast
Conowingo, MD

Share

Weather in December

The first month of the winter, December, is still a chilly month in Conowingo, Maryland, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.9°F (0.5°C).

Temperature

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a cool 52.9°F (11.6°C) in November to a frosty 44.1°F (6.7°C). Conowingo experiences an average nighttime temperature of 32.9°F (0.5°C) in the month of December.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Conowingo, in December, it is raining for 9.4 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Conowingo, there are 149.9 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, in Conowingo, it is snowing for 2.2 days. Throughout December, 0.87" (22mm) of snow is accumulated. In Conowingo, Maryland, during the entire year, snow falls for 13.7 days and aggregates up to 7.05" (179mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:40 pm. On the last day of December, in Conowingo, sunrise is at 7:25 am and sunset at 4:50 pm EST.

Sunshine

In Conowingo, the average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, 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 Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

How cold is it in Conowingo in December?

During December, Conowingo experiences an average high-temperature of 44.1°F (6.7°C) and a low-temperature of 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in December in Conowingo?

The average relative humidity in December in Conowingo is 78%.

How much does it rain in Conowingo in December?

In Conowingo, in December, it is raining for 9.4 days, with typically 2.4" (61mm) of accumulated precipitation.

How much does it snow in Conowingo in December?

In Conowingo, in December, during 2.2 snowfall days, 0.87" (22mm) of snow is typically accumulated.

What is the month with the shortest days in Conowingo?

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

How many hours of daylight does Conowingo have in December?

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

When are sunrise and sunset in December in Conowingo?

On the first day of December in Conowingo, sunrise is at 7:06 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:50 pm EST.

How many hours of sunshine does Conowingo have in December?

The average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Conowingo?

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

What is the UV index intensity in December in Conowingo?

In Conowingo, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Conowingo, MD

Average temperature in December - Conowingo, MD
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

[Resources]

Average pressure in December
Conowingo, MD

Average pressure in December - Conowingo, MD
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in December
Conowingo, MD

Average wind speed in December - Conowingo, MD
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

[Resources]

Average humidity in December
Conowingo, MD

Average humidity in December - Conowingo, MD
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).

[Resources]

Average rainfall in December
Conowingo, MD

Average rainfall in December - Conowingo, MD
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.85").

[Resources]

Average rainfall days in December
Conowingo, MD

Average rainfall days in December - Conowingo, MD
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.3 days).

[Resources]

Average snowfall in December
Conowingo, MD

Average snowfall in December - Conowingo, MD
  • Average snowfall in December: 0.87"

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

[Resources]

Average snowfall days in December
Conowingo, MD

Average snowfall days in December - Conowingo, MD
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Conowingo, MD

Average daylight in December / Average sunshine in December - Conowingo, MD
  • 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in December
Conowingo, MD

Average sunshine days in December - Conowingo, MD
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.1 days).

[Resources]

Average UV index in December
Conowingo, MD

Average UV index in December - Conowingo, MD
  • Average UV index in December: 2

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

[Resources]

Average cloud cover in December
Conowingo, MD

Average cloud cover in December - Conowingo, MD
  • Average cloud cover in December: 45

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

[Resources]

Average visibility in December
Conowingo, MD

Average visibility in December - Conowingo, MD
  • Average visibility in December: 6mi

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

[Resources]

Conowingo, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location