January weather forecast
Boonsboro, MD

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Weather in January

January, like December, in Boonsboro, Maryland, is another cold winter month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 37°F (2.8°C).

Temperature

January is Boonsboro's coldest month, registering average high temperatures of 37°F (2.8°C) and lows of 23.4°F (-4.8°C).

Humidity

In Boonsboro, the average relative humidity in January is 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.6 days and typically collects 1.97" (50mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 4.72" (120mm) of snow.

Daylight

In Boonsboro, the average length of the day in January is 9h and 46min.
On the first day of January, sunrise is at 7:30 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.

Sunshine

In January, the average sunshine is 4.8h.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 2 in January leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

What is the coldest time of year?

January, marked by an average high-temperature of 37°F (2.8°C) and a low-temperature of 23.4°F (-4.8°C), is the coldest month in Boonsboro.

How cold is it in January?

The average high-temperature and low-temperature during January are 37°F (2.8°C) and 23.4°F (-4.8°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 75%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 9.6 days and accumulates 1.97" (50mm) of precipitation.

How many days does it rain in January?

In Boonsboro, in January, it is raining for 9.6 days, with typically 1.97" (50mm) of accumulated precipitation.

When does it snow the most in Boonsboro?

The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 4.72" (120mm) of snow.

How many days does it snow in January?

In Boonsboro, in January, snow falls for 7.8 days, with typically accumulated 4.72" (120mm) of snow.

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

In January, the average day length in Boonsboro is 9h and 46min.

What time are sunrise and sunset in January in Boonsboro?

On the first day of January, sunrise is at 7:30 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 4.8h.

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

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat 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 January
Boonsboro, MD

Average temperature in January - Boonsboro, MD
  • Average high temperature in January: 37°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 (37°F).

  • Average low temperature in January: 23.4°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 (23.4°F).

Average pressure in January
Boonsboro, MD

Average pressure in January - Boonsboro, MD
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Boonsboro, MD

Average wind speed in January - Boonsboro, MD
  • Average wind speed in January: 7.6mph

The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in January
Boonsboro, MD

Average humidity in January - Boonsboro, MD
  • Average humidity in January: 75%

The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).

Average rainfall in January
Boonsboro, MD

Average rainfall in January - Boonsboro, MD
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in January
Boonsboro, MD

Average rainfall days in January - Boonsboro, MD
  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in January
Boonsboro, MD

Average snowfall in January - Boonsboro, MD
  • Average snowfall in January: 4.72"

The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Boonsboro, MD

Average snowfall days in January - Boonsboro, MD
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Boonsboro, 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: 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 42min).

Average sunshine days in January
Boonsboro, MD

Average sunshine days in January - Boonsboro, MD
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).

Average UV index in January
Boonsboro, MD

Average UV index in January - Boonsboro, 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).

Average cloud cover in January
Boonsboro, MD

Average cloud cover in January - Boonsboro, MD
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Boonsboro, MD

Average visibility in January - Boonsboro, MD
  • Average visibility in January: 5mi

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

Boonsboro, Maryland, USA

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