January weather forecast
Garrison, MD

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Weather in January

January, the same as December, is an icy winter month in Garrison, Maryland, with an average temperature fluctuating between 37.9°F (3.3°C) and 25.3°F (-3.7°C).

Temperature

Garrison witnesses the coldest weather in January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 25.3°F (-3.7°C).

Humidity

In Garrison, the average relative humidity in January is 74%.

Rainfall

The months with the least rainfall in Garrison are January and February Rain falls for 9.1 days and accumulates 2.28" (58mm) of rain.

Snowfall

Months with snowfall in Garrison are January through April, November and December. In Garrison, in January, during 5.8 snowfall days, 2.72" (69mm) of snow is typically accumulated. In Garrison, during the entire year, snow falls for 21 days and aggregates up to 10.91" (277mm) of snow.

Daylight

In January, the average length of the day in Garrison is 9h and 46min.
On the first day of January, sunrise is at 7:27 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:25 pm EST.

Sunshine

January and February, with an average of 5h of sunshine, are months with the least sunshine in Garrison.

UV index

The months with the lowest UV index in Garrison, Maryland, 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 exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What are the coldest months in Garrison?

The coldest period in Garrison, Maryland, is January, when temperatures fluctuate between an average high of 37.9°F (3.3°C) and a low of 25.3°F (-3.7°C).

How cold is it in Garrison in January?

January temperatures in Garrison vary between a high-temperature of 37.9°F (3.3°C) and a low-temperature of 25.3°F (-3.7°C).

What is the average humidity in January in Garrison?

In January, the average relative humidity in Garrison, Maryland, is 74%.

What is the driest month in Garrison?

January and February are months with the least rain when the rain falls for 9.1 days and typically aggregates up to 2.28" (58mm) of rain.

How many days does it rain in January in Garrison?

In Garrison, Maryland, in January, during 9.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How many days does it snow in January in Garrison?

In January, it is snowing for 5.8 days. Throughout January, 2.72" (69mm) of snow is accumulated.

What is the average length of the day in January in Garrison?

The average day length in January in Garrison, Maryland, is 9h and 46min.

When is the sunrise / sunset in January in Garrison?

On the first day of January in Garrison, Maryland, sunrise is at 7:27 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:25 pm EST.

What is the month with the least sunshine in Garrison?

January and February, with an average of 5h of sunshine, are months with the least sunshine in Garrison, Maryland.

How many hours of sunshine does Garrison have in January?

In Garrison, Maryland, the average sunshine duration in January is 5h.

What is the month with the lowest UV index in Garrison?

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

What is the UV index reading in January in Garrison?

The average daily maximum UV index in January in Garrison, Maryland, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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 January
Garrison, MD

Average temperature in January - Garrison, MD
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 25.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in January
Garrison, MD

Average pressure in January - Garrison, MD
  • Average pressure in January: 30.1"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).

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Average wind speed in January
Garrison, MD

Average wind speed in January - Garrison, MD
  • Average wind speed in January: 8.7mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in January
Garrison, MD

Average humidity in January - Garrison, MD
  • Average humidity in January: 74%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are April and July (73%).

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Average rainfall in January
Garrison, MD

Average rainfall in January - Garrison, MD
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is August (4.37").
The driest months (with the least rainfall) are January and February (2.28").

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Average rainfall days in January
Garrison, MD

Average rainfall days in January - Garrison, MD
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in January
Garrison, MD

Average snowfall in January - Garrison, MD
  • Average snowfall in January: 2.72"

The month with the highest snowfall is March (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Garrison, MD

Average snowfall days in January - Garrison, MD
  • Average snowfall days in January: 5.8 days

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Garrison, MD

Average daylight in January / Average sunshine in January - Garrison, MD
  • Average daylight in January: 9h and 5min

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 January: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).

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Average sunshine days in January
Garrison, MD

Average sunshine days in January - Garrison, MD
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in January
Garrison, MD

Average UV index in January - Garrison, MD
  • Average UV index in January: 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).

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Average cloud cover in January
Garrison, MD

Average cloud cover in January - Garrison, MD
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in January
Garrison, MD

Average visibility in January - Garrison, MD
  • Average visibility in January: 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).

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Garrison, Maryland, USA

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