January weather forecast
Harris Heights, MD

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Weather in January

January, like December, in Harris Heights, Maryland, is another cold winter month, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 38.8°F (3.8°C).

Temperature

In Harris Heights, the month of January registers the lowest temperatures, averaging 38.8°F (3.8°C) at the peak and 27.7°F (-2.4°C) at the lowest.

Humidity

The average relative humidity in January is 73%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.81" (46mm) of precipitation.

Snowfall

Months with snowfall in Harris Heights are January through March, November and December. January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.09" (53mm) of snow.

Daylight

In January, the average length of the day is 9h and 47min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:53 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 are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What is the coldest month?

With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 27.7°F (-2.4°C), January is the coldest month.

How cold is January?

Harris Heights in January has an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 27.7°F (-2.4°C).

What is the average humidity in January?

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

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8.4 days and typically collects 1.81" (46mm) of precipitation.

How many days does it rain in January?

In Harris Heights, in January, during 8.4 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.09" (53mm) of snow.

How many days does it snow in January?

In Harris Heights, in January, during 3.8 snowfall days, 2.09" (53mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January in Harris Heights is 9h and 47min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of the month, in Harris Heights, Maryland, sunrise is at 7:14 am and sunset at 5:25 pm EST.

How long on average sun shines in January?

In Harris Heights, the average sunshine duration in January is 5.3h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Harris Heights, MD

Average temperature in January - Harris Heights, MD
  • Average high temperature in January: 38.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in January: 27.7°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in January
Harris Heights, MD

Average pressure in January - Harris Heights, 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).

Average wind speed in January
Harris Heights, MD

Average wind speed in January - Harris Heights, MD
  • Average wind speed in January: 9.1mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in January
Harris Heights, MD

Average humidity in January - Harris Heights, MD
  • Average humidity in January: 73%

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

Average rainfall in January
Harris Heights, MD

Average rainfall in January - Harris Heights, MD
  • Average rainfall in January: 1.81"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in January
Harris Heights, MD

Average rainfall days in January - Harris Heights, MD
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

Average snowfall in January
Harris Heights, MD

Average snowfall in January - Harris Heights, 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").

Average snowfall days in January
Harris Heights, MD

Average snowfall days in January - Harris Heights, MD
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Harris Heights, MD

Average daylight in January / Average sunshine in January - Harris Heights, 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 6min).

Average sunshine days in January
Harris Heights, MD

Average sunshine days in January - Harris Heights, MD
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

Average UV index in January
Harris Heights, MD

Average UV index in January - Harris Heights, 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, November and December (UV index 2).

Average cloud cover in January
Harris Heights, MD

Average cloud cover in January - Harris Heights, MD
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
Harris Heights, MD

Average visibility in January - Harris Heights, 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).

Harris Heights, Maryland, USA

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