January weather forecast
Sylvan Hill, MD

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Weather in January

January, like December, in Sylvan Hill, Maryland, is another cold winter month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 38.1°F (3.4°C).

Temperature

January brings the lowest temperatures, with an average high of 38.1°F (3.4°C) and an average low of 26.2°F (-3.2°C).

Humidity

In Sylvan Hill, the average relative humidity in January is 73%.

Rainfall

The month with the least rainfall in Sylvan Hill is January, when the rain falls for 9.7 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

Months with snowfall in Sylvan Hill, Maryland, are January through April, November and December. January is the month with the most snowfall in Sylvan Hill, Maryland. Snow falls for 4.9 days and accumulates 2.4" (61mm) 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 7:26 am and sunset at 4:54 pm. On the last day of January, in Sylvan Hill, Maryland, sunrise is at 7:15 am and sunset at 5:25 pm EST.

Sunshine

In January, the average sunshine is 5.1h.

UV index

The months with the lowest UV index in Sylvan Hill are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the coldest time of year in Sylvan Hill?

In Sylvan Hill, Maryland, the average lowest temperatures are observed in January, with a high of 38.1°F (3.4°C) and a low of 26.2°F (-3.2°C).

Is it cold in Sylvan Hill during January?

During January, Sylvan Hill experiences an average high-temperature of 38.1°F (3.4°C) and a low-temperature of 26.2°F (-3.2°C).

What is the average humidity in January in Sylvan Hill?

In January, the average relative humidity is 73%.

What is the driest month in Sylvan Hill?

January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 2.05" (52mm) of precipitation.

How much does it rain in Sylvan Hill in January?

In January, the rain falls for 9.7 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

When does it snow the most in Sylvan Hill?

The month with the most snowfall in Sylvan Hill is January, when snow falls for 4.9 days and typically aggregates up to 2.4" (61mm) of snow.

How many days does it snow in January in Sylvan Hill?

In January, in Sylvan Hill, it is snowing for 4.9 days. Throughout January, 2.4" (61mm) of snow is accumulated.

How many hours of daylight does Sylvan Hill have in January?

The average day length in January in Sylvan Hill, Maryland, is 9h and 47min.

What time are sunrise and sunset in January in Sylvan Hill?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:25 pm EST.

How many hours of sunshine does Sylvan Hill have in January?

In January, the average sunshine duration in Sylvan Hill, Maryland, is 5.1h.

What is the month with the lowest UV index in Sylvan Hill?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sylvan Hill, Maryland.

What is the UV index intensity in January in Sylvan Hill?

In January, the average daily maximum UV index in Sylvan Hill is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
44.1°F 6.7°C
38.1°F 3.4°C
42.3°F 5.7°C
Average low temperature
32.9°F 0.5°C
26.2°F -3.2°C
28.6°F -1.9°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8mph 12.9km/h
8.6mph 13.8km/h
8.6mph 13.8km/h
Average max. wind speed
8.6mph 13.8km/h
9.3mph 15km/h
9.3mph 15km/h
Average wind speed gusts
12.9mph 20.8km/h
13.8mph 22.2km/h
14mph 22.5km/h
Average humidity
76%
73%
75%
Average rainfall
2.6" 66mm
2.05" 52mm
2.24" 57mm
Average rainfall days
11.8
9.7
10.3
Average snowfall
1.22" 31mm
2.4" 61mm
1.57" 40mm
Average snowfall days
2.9
4.9
4.7
Average daylight
9h 3min
9h 5min
10h 4min
Average sunshine
5h 1min
5h 1min
5h 0min
Average sunshine days
16.2
16.9
14.3
Average UV index
2
2
2
Average cloud cover
44%
44%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Sylvan Hill, MD

Average temperature in January - Sylvan Hill, MD
  • Average high temperature in January: 38.1°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 (38.1°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).

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Average pressure in January
Sylvan Hill, MD

Average pressure in January - Sylvan Hill, 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).

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Average wind speed in January
Sylvan Hill, MD

Average wind speed in January - Sylvan Hill, MD
  • Average wind speed in January: 8.6mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in January
Sylvan Hill, MD

Average humidity in January - Sylvan Hill, MD
  • Average humidity in January: 73%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in January
Sylvan Hill, MD

Average rainfall in January - Sylvan Hill, MD
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in January
Sylvan Hill, MD

Average rainfall days in January - Sylvan Hill, MD
  • Average rainfall days in January: 9.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in January
Sylvan Hill, MD

Average snowfall in January - Sylvan Hill, MD
  • Average snowfall in January: 2.4"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Sylvan Hill, MD

Average snowfall days in January - Sylvan Hill, MD
  • Average snowfall days in January: 4.9 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Sylvan Hill, MD

Average daylight in January / Average sunshine in January - Sylvan Hill, 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).

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Average sunshine days in January
Sylvan Hill, MD

Average sunshine days in January - Sylvan Hill, MD
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in January
Sylvan Hill, MD

Average UV index in January - Sylvan Hill, 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).

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Average cloud cover in January
Sylvan Hill, MD

Average cloud cover in January - Sylvan Hill, MD
  • Average cloud cover in January: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in January
Sylvan Hill, MD

Average visibility in January - Sylvan Hill, 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).

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Sylvan Hill, Maryland, USA

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