January weather forecast
Saint Charles, MD

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Weather in January

January, the same as December, is another cold winter month in Saint Charles, Maryland, with an average temperature ranging between min 28.4°F (-2°C) and max 41.5°F (5.3°C).

Temperature

January is the coldest month, with an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 28.4°F (-2°C).

Humidity

The months with the lowest humidity are January, March and April, with an average relative humidity of 73%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

Months with snowfall in Saint Charles, Maryland, are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.3 days and accumulates 2.32" (59mm) of snow.

Daylight

The average length of the day in January in Saint Charles, Maryland, is 9h and 50min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:56 pm. On the last day of January, in Saint Charles, sunrise is at 7:14 am and sunset at 5:27 pm EST.

Sunshine

In January, the average sunshine in Saint Charles is 5.2h.

UV index

January, February 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 low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 2 in January transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the coldest month in Saint Charles?

January is Saint Charles's coldest month, registering average high temperatures of 41.5°F (5.3°C) and lows of 28.4°F (-2°C).

How cold does it get in Saint Charles in January?

In Saint Charles, 41.5°F (5.3°C) is the average high-temperature and 28.4°F (-2°C) is the average low-temperature during January.

What is the least humid month in Saint Charles?

The months with the lowest humidity in Saint Charles are January, March and April, with an average relative humidity of 73%.

What is the average humidity in January in Saint Charles?

In Saint Charles, the average relative humidity in January is 73%.

What is the driest month in Saint Charles?

The month with the least rainfall in Saint Charles is January, when the rain falls for 9.3 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Saint Charles in January?

In January, in Saint Charles, Maryland, the rain falls for 9.3 days. Throughout January, 1.85" (47mm) of precipitation is accumulated.

When does it snow the most in Saint Charles?

January is the month with the most snowfall in Saint Charles, Maryland. Snow falls for 4.3 days and accumulates 2.32" (59mm) of snow.

How many days does it snow in January in Saint Charles?

In Saint Charles, Maryland, in January, during 4.3 snowfall days, 2.32" (59mm) of snow is typically accumulated.

What is the average length of the day in January in Saint Charles?

In Saint Charles, Maryland, the average day length in January is 9h and 50min.

When are sunrise and sunset in January in Saint Charles?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:56 pm. On the last day of the month, in Saint Charles, sunrise is at 7:14 am and sunset at 5:27 pm EST.

How many hours of sunshine does Saint Charles have in January?

The average sunshine duration in January is 5.2h.

What is the month with the lowest UV index in Saint Charles?

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

How high is the UV index in January in Saint Charles?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46.9°F 8.3°C
41.5°F 5.3°C
45.9°F 7.7°C
Average low temperature
34.5°F 1.4°C
28.4°F -2°C
30.7°F -0.7°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.08" 764mmHg
Average wind speed
6.7mph 10.8km/h
7.4mph 11.9km/h
7.6mph 12.2km/h
Average max. wind speed
7.3mph 11.7km/h
8mph 12.9km/h
8.1mph 13km/h
Average wind speed gusts
11.1mph 17.9km/h
12mph 19.3km/h
12.3mph 19.8km/h
Average humidity
77%
73%
74%
Average rainfall
2.28" 58mm
1.85" 47mm
2.09" 53mm
Average rainfall days
11.5
9.3
9.8
Average snowfall
1.02" 26mm
2.32" 59mm
1.57" 40mm
Average snowfall days
2
4.3
3.9
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 0min
5h 1min
5h 0min
Average sunshine days
16.9
17.7
15.1
Average UV index
2
2
2
Average cloud cover
45%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Saint Charles, MD

Average temperature in January - Saint Charles, MD
  • Average high temperature in January: 41.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in January
Saint Charles, MD

Average pressure in January - Saint Charles, 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).

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Average wind speed in January
Saint Charles, MD

Average wind speed in January - Saint Charles, MD
  • Average wind speed in January: 7.4mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in January
Saint Charles, MD

Average humidity in January - Saint Charles, MD
  • Average humidity in January: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).

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Average rainfall in January
Saint Charles, MD

Average rainfall in January - Saint Charles, MD
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in January
Saint Charles, MD

Average rainfall days in January - Saint Charles, MD
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in January
Saint Charles, MD

Average snowfall in January - Saint Charles, MD
  • Average snowfall in January: 2.32"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Saint Charles, MD

Average snowfall days in January - Saint Charles, MD
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is January (4.3 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
Saint Charles, MD

Average daylight in January / Average sunshine in January - Saint Charles, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
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 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

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Average sunshine days in January
Saint Charles, MD

Average sunshine days in January - Saint Charles, MD
  • Average sunshine days in January: 17.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in January
Saint Charles, MD

Average UV index in January - Saint Charles, 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 and December (UV index 2).

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Average cloud cover in January
Saint Charles, MD

Average cloud cover in January - Saint Charles, MD
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Saint Charles, MD

Average visibility in January - Saint Charles, 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).

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Saint Charles, Maryland, USA

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