January weather forecast
Sandy Spring, MD

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Weather in January

January, the same as December, is another cold winter month in Sandy Spring, Maryland, with an average temperature varying between 39°F (3.9°C) and 26.2°F (-3.2°C).

Temperature

January, with its high-temperature average of 39°F (3.9°C) and a low-temperature average of 26.2°F (-3.2°C), is the coldest month.

Humidity

In January, the average relative humidity is 73%.

Rainfall

January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

Months with snowfall in Sandy Spring are January through April, November and December. The months with the most snowfall are January and March, with an average 3.03" (77mm) of accumulated snow.

Daylight

The average length of the day in January in Sandy Spring is 9h and 47min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:27 pm EST.

Sunshine

In January, the average sunshine in Sandy Spring is 5.1h.

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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during January translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The month of January sees the average lowest temperatures, reaching 39°F (3.9°C) at the peak and 26.2°F (-3.2°C) at the low.

How cold is January?

During January, Sandy Spring experiences an average high-temperature of 39°F (3.9°C) and a low-temperature of 26.2°F (-3.2°C).

What is the average humidity in January?

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 9.3 days and typically collects 2.17" (55mm) of precipitation.

How many days does it rain in January?

In Sandy Spring, in January, during 9.3 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When does it snow the most?

The months with the most snowfall are January and March, with an average 3.03" (77mm) of accumulated snow.

How many days does it snow in January?

In Sandy Spring, in January, snow falls for 5.1 days, with typically accumulated 3.03" (77mm) of snow.

What is the average length of the day in January?

The average day length in January in Sandy Spring is 9h and 47min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:27 pm EST.

How long on average sun shines in January?

In Sandy Spring, the average sunshine duration in January is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index 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
Sandy Spring, MD

Average temperature in January - Sandy Spring, MD
  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 26.2°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in January
Sandy Spring, MD

Average pressure in January - Sandy Spring, 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
Sandy Spring, MD

Average wind speed in January - Sandy Spring, MD
  • Average wind speed in January: 7.8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Sandy Spring, MD

Average humidity in January - Sandy Spring, MD
  • Average humidity in January: 73%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in January
Sandy Spring, MD

Average rainfall in January - Sandy Spring, MD
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in January
Sandy Spring, MD

Average rainfall days in January - Sandy Spring, MD
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in January
Sandy Spring, MD

Average snowfall in January - Sandy Spring, MD
  • Average snowfall in January: 3.03"

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Sandy Spring, MD

Average snowfall days in January - Sandy Spring, MD
  • Average snowfall days in January: 5.1 days

The months with the highest number of snowfall days are January and February (5.1 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
Sandy Spring, MD

Average daylight in January / Average sunshine in January - Sandy Spring, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in January
Sandy Spring, MD

Average sunshine days in January - Sandy Spring, MD
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

Average UV index in January
Sandy Spring, MD

Average UV index in January - Sandy Spring, 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
Sandy Spring, MD

Average cloud cover in January - Sandy Spring, 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 31).

Average visibility in January
Sandy Spring, MD

Average visibility in January - Sandy Spring, 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).

Sandy Spring, Maryland, USA

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