January weather forecast
Jacobsville, MD

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Weather in January

January, like December, in Jacobsville, Maryland, is another cold winter month, with an average temperature varying between 28.4°F (-2°C) and 39.6°F (4.2°C).

Temperature

Jacobsville records the coldest temperatures in January, averaging a 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 Jacobsville, Maryland, in January, during 9.9 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Jacobsville, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

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 January, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:25 pm EST.

Sunshine

In January, the average sunshine 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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the coldest month, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 28.4°F (-2°C).

How cold is January?

The high-temperature during January is 39.6°F (4.2°C) and the low-temperature is 28.4°F (-2°C).

What is the least humid month?

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

What is the average humidity in January?

In Jacobsville, the average relative humidity in January is 72%.

How much does it rain in January?

In Jacobsville, during January, the rain falls for 9.9 days and regularly aggregates up to 2.01" (51mm) of precipitation.

What is the snowiest month?

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 Jacobsville, during January, snow falls for 4.4 days and regularly aggregates up to 2.05" (52mm) of snow.

How many hours of daylight does Jacobsville have in January?

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

When is the sunrise / sunset in January?

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 7:13 am and sunset at 5:25 pm EST.

How many hours of sunshine does Jacobsville have in January?

In Jacobsville, 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.

What is the UV index reading in January?

In January, the average daily maximum UV index in Jacobsville is 2. A UV Index value of 2, and less, symbolizes 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
Jacobsville, MD

Average temperature in January - Jacobsville, 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
Jacobsville, MD

Average pressure in January - Jacobsville, 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
Jacobsville, MD

Average wind speed in January - Jacobsville, 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
Jacobsville, MD

Average humidity in January - Jacobsville, 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
Jacobsville, MD

Average rainfall in January - Jacobsville, 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
Jacobsville, MD

Average rainfall days in January - Jacobsville, 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
Jacobsville, MD

Average snowfall in January - Jacobsville, 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
Jacobsville, MD

Average snowfall days in January - Jacobsville, 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
Jacobsville, MD

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

Average sunshine days in January - Jacobsville, 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
Jacobsville, MD

Average UV index in January - Jacobsville, 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
Jacobsville, MD

Average cloud cover in January - Jacobsville, 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
Jacobsville, MD

Average visibility in January - Jacobsville, 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).

Jacobsville, Maryland, USA

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