January weather forecast
Hillendale, MD

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Weather in January

January, like December, in Hillendale, Maryland, is another cold winter month, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 28.4°F (-2°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C).

Humidity

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

Rainfall

In Hillendale, during January, the rain falls for 9.9 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 2.05" (52mm) of snow.

Daylight

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

Sunshine

The average sunshine in January is 5.3h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during January translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Hillendale?

In Hillendale, January is known for its average lowest temperatures, reaching a high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C).

How cold is January?

In January, the average high-temperature and low-temperature are 39.6°F (4.2°C) and 28.4°F (-2°C) respectively.

What is the least humid month?

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in January?

In January, the average relative humidity is 72%.

How many days does it rain in January?

In Hillendale, in January, during 9.9 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.

How much does it snow in January?

In January, it is snowing for 4.4 days. Throughout January, 2.05" (52mm) of snow is accumulated.

How many hours of daylight does Hillendale have in January?

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

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:25 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.

How long on average sun shines in January?

In January, the average sunshine duration is 5.3h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Hillendale, MD

Average temperature in January - Hillendale, MD
  • Average high temperature in January: 39.6°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 (39.6°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in January
Hillendale, MD

Average pressure in January - Hillendale, 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
Hillendale, MD

Average wind speed in January - Hillendale, MD
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Hillendale, MD

Average humidity in January - Hillendale, MD
  • Average humidity in January: 72%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in January
Hillendale, MD

Average rainfall in January - Hillendale, MD
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in January
Hillendale, MD

Average rainfall days in January - Hillendale, MD
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in January
Hillendale, MD

Average snowfall in January - Hillendale, MD
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Hillendale, MD

Average snowfall days in January - Hillendale, MD
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Hillendale, 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
Hillendale, MD

Average sunshine days in January - Hillendale, MD
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in January
Hillendale, MD

Average UV index in January - Hillendale, 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
Hillendale, MD

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

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in January
Hillendale, MD

Average visibility in January - Hillendale, 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).

Hillendale, Maryland, USA

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