January weather forecast
Herald Harbor, MD

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Weather in January

January, like December, in Herald Harbor, Maryland, is a wintry winter month, with an average temperature fluctuating between 39.6°F (4.2°C) and 28.4°F (-2°C).

Temperature

In Herald Harbor, January records the lowest average temperatures, peaking at 39.6°F (4.2°C) and reaching 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 Herald Harbor, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation. In Herald Harbor, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 2.05" (52mm) of snow.

Ocean temperature

In Herald Harbor, in January, the average water temperature is 46°F (7.8°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Herald Harbor, the average length of the day in January is 9h and 48min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of January, in Herald Harbor, sunrise is at 7:13 am and sunset at 5:25 pm EST.

Sunshine

In January, the average sunshine is 5.3h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Herald Harbor, Maryland. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Enhance your sun protection with tightly woven, yet airy clothing. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Herald Harbor?

January, with an average high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C), signifies the coldest month of the year in Herald Harbor.

Is January cold in Herald Harbor?

Herald Harbor in January has an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 28.4°F (-2°C).

What is the least humid month in Herald Harbor?

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

What is the average humidity in January in Herald Harbor?

In Herald Harbor, Maryland, the average relative humidity in January is 72%.

How many days does it rain in January in Herald Harbor?

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

What is the snowiest month in Herald Harbor?

January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 2.05" (52mm) of snow.

How many days does it snow in January in Herald Harbor?

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

How cold is the water in January in Herald Harbor?

In Herald Harbor, the average seawater temperature in January is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January in Herald Harbor?

In Herald Harbor, Maryland, the average day length in January is 9h and 48min.

What time are sunrise and sunset in January in Herald Harbor?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, in Herald Harbor, sunrise is at 7:13 am and sunset at 5:25 pm EST.

How many hours of sunshine does Herald Harbor have in January?

The average sunshine duration in January is 5.3h.

What are the months with the lowest UV index in Herald Harbor?

The months with the lowest UV index in Herald Harbor, Maryland, are January, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Herald Harbor?

The average daily maximum UV index in January in Herald Harbor is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
45.5°F 7.5°C
39.6°F 4.2°C
43.2°F 6.2°C
Average low temperature
34.7°F 1.5°C
28.4°F -2°C
30.7°F -0.7°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
8.6mph 13.8km/h
9.3mph 15km/h
9.3mph 15km/h
Average max. wind speed
9.3mph 15km/h
10.1mph 16.3km/h
10mph 16.1km/h
Average wind speed gusts
13.9mph 22.4km/h
14.9mph 24km/h
15.2mph 24.5km/h
Average humidity
75%
72%
74%
Average rainfall
2.83" 72mm
2.01" 51mm
2.36" 60mm
Average rainfall days
11.4
9.9
10.8
Average snowfall
0.63" 16mm
2.05" 52mm
1.73" 44mm
Average snowfall days
2.4
4.4
4.2
Average sea temperature
50.7°F 10.4°C
46°F 7.8°C
44.5°F 6.9°C
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 1min
Average sunshine days
16.9
17.5
13.9
Average UV index
2
2
3
Average cloud cover
44%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Herald Harbor, MD

Average temperature in January - Herald Harbor, 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).

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Average pressure in January
Herald Harbor, MD

Average pressure in January - Herald Harbor, 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
Herald Harbor, MD

Average wind speed in January - Herald Harbor, 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).

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Average humidity in January
Herald Harbor, MD

Average humidity in January - Herald Harbor, 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%).

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Average rainfall in January
Herald Harbor, MD

Average rainfall in January - Herald Harbor, 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").

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Average rainfall days in January
Herald Harbor, MD

Average rainfall days in January - Herald Harbor, 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).

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Average snowfall in January
Herald Harbor, MD

Average snowfall in January - Herald Harbor, 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").

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Average snowfall days in January
Herald Harbor, MD

Average snowfall days in January - Herald Harbor, 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).

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Average sea temperature in January
Herald Harbor, MD

Average sea temperature in January - Herald Harbor, MD
  • Average sea temperature in January: 46°F

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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Average daylight in January /
Average sunshine in January
Herald Harbor, MD

Average daylight in January / Average sunshine in January - Herald Harbor, 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).

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Average sunshine days in January
Herald Harbor, MD

Average sunshine days in January - Herald Harbor, 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).

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Average UV index in January
Herald Harbor, MD

Average UV index in January - Herald Harbor, 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).

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Average cloud cover in January
Herald Harbor, MD

Average cloud cover in January - Herald Harbor, 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).

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Average visibility in January
Herald Harbor, MD

Average visibility in January - Herald Harbor, 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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Herald Harbor, Maryland, USA

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