January weather forecast
Monumental, MD

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Weather in January

January, the same as December, is a wintry winter month in Monumental, Maryland, with an average temperature fluctuating between 27.1°F (-2.7°C) and 38.5°F (3.6°C).

Temperature

January, noted for its average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 27.1°F (-2.7°C), is considered the coldest month.

Humidity

In Monumental, the average relative humidity in January is 73%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is January, when snow falls for 4.2 days and typically aggregates up to 2.09" (53mm) of snow.

Daylight

The average length of the day in January in Monumental is 9h and 47min.
On the first day of January, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm EST.

Sunshine

The average sunshine in January is 5.3h.

UV index

The months with the lowest UV index in Monumental are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Monumental?

The coldest period is January, when temperatures fluctuate between an average high of 38.5°F (3.6°C) and a low of 27.1°F (-2.7°C).

Is January cold in Monumental?

Monumental in January has an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 27.1°F (-2.7°C).

What is the average humidity in January in Monumental?

The average relative humidity in January is 73%.

What is the driest month in Monumental?

The month with the least rainfall in Monumental, Maryland, is January, when the rain falls for 8.7 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Monumental in January?

In Monumental, Maryland, in January, it is raining for 8.7 days, with typically 1.85" (47mm) of accumulated precipitation.

What is the snowiest month in Monumental?

January is the month with the most snowfall in Monumental. Snow falls for 4.2 days and accumulates 2.09" (53mm) of snow.

How much does it snow in Monumental in January?

In Monumental, Maryland, in January, during 4.2 snowfall days, 2.09" (53mm) of snow is typically accumulated.

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

In January, the average day length in Monumental, Maryland, is 9h and 47min.

When is the sunrise / sunset in January in Monumental?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, in Monumental, Maryland, sunrise is at 7:14 am and sunset at 5:25 pm EST.

How long on average sun shines in January in Monumental?

In Monumental, Maryland, the average sunshine duration in January is 5.3h.

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

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

How high is the UV index in January in Monumental?

In Monumental, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Monumental, MD

Average temperature in January - Monumental, MD
  • Average high temperature in January: 38.5°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in January: 27.1°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in January
Monumental, MD

Average pressure in January - Monumental, 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
Monumental, MD

Average wind speed in January - Monumental, MD
  • Average wind speed in January: 9mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in January
Monumental, MD

Average humidity in January - Monumental, MD
  • Average humidity in January: 73%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April, July and November (72%).

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Average rainfall in January
Monumental, MD

Average rainfall in January - Monumental, MD
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in January
Monumental, MD

Average rainfall days in January - Monumental, MD
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in January
Monumental, MD

Average snowfall in January - Monumental, MD
  • Average snowfall in January: 2.09"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Monumental, MD

Average snowfall days in January - Monumental, MD
  • Average snowfall days in January: 4.2 days

The month with the highest number of snowfall days is January (4.2 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
Monumental, MD

Average daylight in January / Average sunshine in January - Monumental, 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 30min).

  • Average sunshine in January: 5h and 2min

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 0min).

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Average sunshine days in January
Monumental, MD

Average sunshine days in January - Monumental, MD
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in January
Monumental, MD

Average UV index in January - Monumental, 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
Monumental, MD

Average cloud cover in January - Monumental, MD
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in January
Monumental, MD

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

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Monumental, Maryland, USA

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