Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As December arrives, Stewarts Purchase's weather displays a minor decrease in high-temperatures, transitioning from November's cool 53.8°F (12.1°C) to a chilly 45.5°F (7.5°C). During December, the temperature is averaged to a low of 34.7°F (1.5°C) at night.Humidity
In Stewarts Purchase, the average relative humidity in December is 75%.Rainfall
In Stewarts Purchase, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Stewarts Purchase. In December, in Stewarts Purchase, Maryland, it is snowing for 2.4 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.Daylight
December has the shortest days of the year in Stewarts Purchase, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the usual temperature for Stewarts Purchase in December?
What is the average humidity in December in Stewarts Purchase?
How much does it rain in Stewarts Purchase in December?
How many days does it snow in December in Stewarts Purchase?
What is the month with the shortest days in Stewarts Purchase?
How many hours of daylight does Stewarts Purchase have in December?
What time are sunrise and sunset in December in Stewarts Purchase?
How many hours of sunshine does Stewarts Purchase have in December?
What are the months with the lowest UV index in Stewarts Purchase?
What is the UV index reading in December in Stewarts Purchase?
Average temperature in December
Stewarts Purchase, MD
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Stewarts Purchase, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Stewarts Purchase, MD
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Stewarts Purchase, MD
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in December
Stewarts Purchase, MD
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Stewarts Purchase, MD
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Stewarts Purchase, MD
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Stewarts Purchase, MD
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Stewarts Purchase, MD
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Stewarts Purchase, MD
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Stewarts Purchase, 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, November and December (UV index 2).
Average cloud cover in December
Stewarts Purchase, MD
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Stewarts Purchase, MD
- 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).
Stewarts Purchase, Maryland, USA
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