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
The arrival of December signals a shift in temperature, down from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). The average nighttime temperature in Manchester lowers to a freezing cold 29.7°F (-1.3°C) throughout December.Humidity
In Manchester, the average relative humidity in December is 79%.Rainfall
In Manchester, in December, it is raining for 9.4 days, with typically 1.26" (32mm) of accumulated precipitation. In Manchester, during the entire year, the rain falls for 134.1 days and collects up to 17.83" (453mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Manchester, during December, snow falls for 3.5 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, in Manchester, there are 20.6 snowfall days, and 7.64" (194mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:53 pm EST.
Sunshine
In Manchester, Maryland, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Manchester are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold does it get in Manchester in December?
What is the average humidity in December in Manchester?
How many days does it rain in December in Manchester?
How many days does it snow in December in Manchester?
What is the month with the shortest days in Manchester?
How many hours of daylight does Manchester have in December?
What time are sunrise and sunset in December in Manchester?
How many hours of sunshine does Manchester have in December?
What is the month with the lowest UV index in Manchester?
What is the UV index intensity in December in Manchester?
Average temperature in December
Manchester, MD
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Manchester, 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).
Average wind speed in December
Manchester, MD
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Manchester, MD
- Average humidity in December: 79%
The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Manchester, MD
- Average rainfall in December: 1.26"
The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Manchester, MD
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Manchester, MD
- Average snowfall in December: 0.98"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Manchester, MD
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Manchester, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Manchester, MD
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Manchester, 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).
Average cloud cover in December
Manchester, MD
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Manchester, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Manchester, Maryland, USA
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