January weather forecast
Selby-on-the-Bay, MD

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Weather in January

January ushers in the new year in Selby-on-the-Bay, Maryland, with signature cold spells. This month holds some of the most chilling temperatures, with lows reaching down to 29.8°F (-1.2°C). Although snowfall is minimal, the weather remains frigid, with frosts frequently seen in the mornings. The general weather conditions include overcast skies and lower daylight hours, resulting in a colder-than-average month. Visitors should prepare for a brisk month where heavy jackets and other warm clothing are needed.

Temperature

With an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 29.8°F (-1.2°C), January is the coldest month.

Humidity

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

Rainfall

The month with the least rainfall is January, when the rain falls for 6 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 2.3 days and accumulates 0.67" (17mm) of snow.

Ocean temperature

In Selby-on-the-Bay, in January, the average water temperature is 47.8°F (8.8°C).
Note: Swimming in 47.8°F (8.8°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

In January, the average length of the day is 9h and 49min.
On the first day of January in Selby-on-the-Bay, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:25 pm EST.

Sunshine

In Selby-on-the-Bay, the average sunshine in January is 5.3h.

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 threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest month is January, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 29.8°F (-1.2°C).

How cold is it in January?

An average high-temperature, in January, in Selby-on-the-Bay, is 40.3°F (4.6°C) and the average low-temperature is 29.8°F (-1.2°C).

What are the least humid months?

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

What is the average humidity in January?

In Selby-on-the-Bay, the average relative humidity in January is 72%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 6 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in January?

In Selby-on-the-Bay, Maryland, during January, the rain falls for 6 days and regularly aggregates up to 0.47" (12mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 2.3 days and typically aggregates up to 0.67" (17mm) of snow.

How much does it snow in January?

In Selby-on-the-Bay, during January, snow falls for 2.3 days and regularly aggregates up to 0.67" (17mm) of snow.

How cold is the water in January?

In Selby-on-the-Bay, in January, the average water temperature is 47.8°F (8.8°C). 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.

What is the average length of the day in January?

In January, the average day length is 9h and 49min.

What time are sunrise and sunset in January in Selby-on-the-Bay?

On the first day of January, sunrise is at 7:24 am and sunset at 4:54 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 Selby-on-the-Bay have in January?

The average sunshine duration in January is 5.3h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

How high is the UV index in January?

In Selby-on-the-Bay, Maryland, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46°F 7.8°C
40.3°F 4.6°C
43°F 6.1°C
Average low temperature
36.5°F 2.5°C
29.8°F -1.2°C
32°F 0°C
Average pressure
30.11" 765mmHg
30.1" 765mmHg
30.07" 764mmHg
Average wind speed
9.3mph 15km/h
10mph 16.1km/h
9.9mph 15.9km/h
Average max. wind speed
9.9mph 15.9km/h
10.7mph 17.2km/h
10.6mph 17.1km/h
Average wind speed gusts
15.1mph 24.3km/h
16mph 25.7km/h
16.5mph 26.6km/h
Average humidity
75%
72%
73%
Average rainfall
0.67" 17mm
0.47" 12mm
0.55" 14mm
Average rainfall days
7.4
6
6.4
Average snowfall
0.12" 3mm
0.67" 17mm
0.2" 5mm
Average snowfall days
1.5
2.3
2.5
Average sea temperature
52°F 11.1°C
47.8°F 8.8°C
45.9°F 7.7°C
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 0min
Average sunshine days
21.5
23
19.2
Average UV index
2
2
2
Average cloud cover
44%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Selby-on-the-Bay, MD

Average temperature in January - Selby-on-the-Bay, MD
  • Average high temperature in January: 40.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in January: 29.8°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in January
Selby-on-the-Bay, MD

Average pressure in January - Selby-on-the-Bay, MD
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Selby-on-the-Bay, MD

Average wind speed in January - Selby-on-the-Bay, MD
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in January
Selby-on-the-Bay, MD

Average humidity in January - Selby-on-the-Bay, 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
Selby-on-the-Bay, MD

Average rainfall in January - Selby-on-the-Bay, MD
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in January
Selby-on-the-Bay, MD

Average rainfall days in January - Selby-on-the-Bay, MD
  • Average rainfall days in January: 6 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in January
Selby-on-the-Bay, MD

Average snowfall in January - Selby-on-the-Bay, MD
  • Average snowfall in January: 0.67"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Selby-on-the-Bay, MD

Average snowfall days in January - Selby-on-the-Bay, MD
  • Average snowfall days in January: 2.3 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Selby-on-the-Bay, MD

Average sea temperature in January - Selby-on-the-Bay, MD
  • Average sea temperature in January: 47.8°F

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

Average daylight in January /
Average sunshine in January
Selby-on-the-Bay, MD

Average daylight in January / Average sunshine in January - Selby-on-the-Bay, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in January
Selby-on-the-Bay, MD

Average sunshine days in January - Selby-on-the-Bay, MD
  • Average sunshine days in January: 23 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in January
Selby-on-the-Bay, MD

Average UV index in January - Selby-on-the-Bay, 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).

Average cloud cover in January
Selby-on-the-Bay, MD

Average cloud cover in January - Selby-on-the-Bay, 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
Selby-on-the-Bay, MD

Average visibility in January - Selby-on-the-Bay, 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).

Selby-on-the-Bay, Maryland, USA

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