January weather forecast
Keysville, MD

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Weather in January

January, the same as December, is an icy winter month in Keysville, Maryland, with an average temperature varying between 23.5°F (-4.7°C) and 36.7°F (2.6°C).

Temperature

Keysville experiences its lowest average temperatures in January, reaching a peak of 36.7°F (2.6°C) and a minimum of 23.5°F (-4.7°C).

Humidity

In January, the average relative humidity is 76%.

Rainfall

In January, the rain falls for 7.6 days. Throughout January, 1.73" (44mm) of precipitation is accumulated. In Keysville, during the entire year, the rain falls for 157.5 days and collects up to 27.52" (699mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Keysville, in January, snow falls for 6.7 days, with typically accumulated 2.68" (68mm) of snow. Throughout the year, there are 22.3 snowfall days, and 9.76" (248mm) of snow is accumulated.

Daylight

In Keysville, Maryland, the average length of the day in January is 9h and 45min.
On the first day of January, sunrise is at 7:29 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:27 pm EST.

Sunshine

The average sunshine in January is 4.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Keysville's January weather reaches an average high of 36.7°F (2.6°C) and an average low of 23.5°F (-4.7°C), making it the coldest month.

How cold is January?

The high-temperature, in January, in Keysville, records 36.7°F (2.6°C), while the low-temperature is 23.5°F (-4.7°C).

What is the average humidity in January?

In January, the average relative humidity is 76%.

How many days does it rain in January?

In Keysville, in January, during 7.6 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Keysville, in January, during 6.7 snowfall days, 2.68" (68mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 45min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:27 pm EST.

How many hours of sunshine does Keysville have in January?

In Keysville, the average sunshine duration in January is 4.8h.

When is the lowest UV index?

January, February, 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 reading of 2, and below, represents a low health risk 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
Keysville, MD

Average temperature in January - Keysville, MD
  • Average high temperature in January: 36.7°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in January: 23.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in January
Keysville, MD

Average pressure in January - Keysville, 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 (29.95"Hg).

Average wind speed in January
Keysville, MD

Average wind speed in January - Keysville, MD
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in January
Keysville, MD

Average humidity in January - Keysville, MD
  • Average humidity in January: 76%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Keysville, MD

Average rainfall in January - Keysville, MD
  • Average rainfall in January: 1.73"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in January
Keysville, MD

Average rainfall days in January - Keysville, MD
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in January
Keysville, MD

Average snowfall in January - Keysville, MD
  • Average snowfall in January: 2.68"

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

Average snowfall days in January
Keysville, MD

Average snowfall days in January - Keysville, MD
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Keysville, MD
  • Average daylight in January: 9h and 4min

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
Keysville, MD

Average sunshine days in January - Keysville, MD
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in January
Keysville, MD

Average UV index in January - Keysville, 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
Keysville, MD

Average cloud cover in January - Keysville, MD
  • Average cloud cover in January: 47

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Keysville, MD

Average visibility in January - Keysville, MD
  • Average visibility in January: 6mi

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

Keysville, Maryland, USA

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