January weather forecast
Riviera Beach, MD

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Weather in January

January, like December, in Riviera Beach, Maryland, is an icy winter month, with an average temperature varying between 39.6°F (4.2°C) and 28.4°F (-2°C).

Temperature

Riviera Beach's coldest month, January, generally records average temperatures ranging from a high of 39.6°F (4.2°C) to a low of 28.4°F (-2°C).

Humidity

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

Rainfall

In Riviera Beach, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Riviera Beach, Maryland, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In Riviera Beach, the average seawater temperature in January is 46°F (7.8°C).
Note: One needs to be cautious in 46°F (7.8°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of January in Riviera Beach, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of the month, 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. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What part of the year is the coldest in Riviera Beach?

In Riviera Beach, the average lowest temperatures are observed in January, with a high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C).

Is January cold in Riviera Beach?

Riviera Beach 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 Riviera Beach?

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

What is the average humidity in January in Riviera Beach?

In January, the average relative humidity is 72%.

How much does it rain in Riviera Beach in January?

In Riviera Beach, in January, it is raining for 9.9 days, with typically 2.01" (51mm) of accumulated precipitation.

When does it snow the most in Riviera Beach?

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

How many days does it snow in January in Riviera Beach?

In Riviera Beach, Maryland, in January, during 4.4 snowfall days, 2.05" (52mm) of snow is typically accumulated.

What is the ocean temperature in January in Riviera Beach?

In Riviera Beach, the average seawater temperature in January is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in January in Riviera Beach?

The average day length in January is 9h and 47min.

What time are sunrise and sunset in January in Riviera Beach?

On the first day of January, sunrise is at 7:25 am and sunset at 4:53 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 Riviera Beach have in January?

In Riviera Beach, Maryland, the average sunshine duration in January is 5.3h.

What are the months with the lowest UV index in Riviera Beach?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Riviera Beach.

What is the UV index reading in January in Riviera Beach?

In Riviera Beach, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Riviera Beach, MD

Average temperature in January - Riviera Beach, 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
Riviera Beach, MD

Average pressure in January - Riviera Beach, 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
Riviera Beach, MD

Average wind speed in January - Riviera Beach, 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
Riviera Beach, MD

Average humidity in January - Riviera Beach, 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
Riviera Beach, MD

Average rainfall in January - Riviera Beach, 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
Riviera Beach, MD

Average rainfall days in January - Riviera Beach, 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
Riviera Beach, MD

Average snowfall in January - Riviera Beach, 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
Riviera Beach, MD

Average snowfall days in January - Riviera Beach, 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
Riviera Beach, MD

Average sea temperature in January - Riviera Beach, 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
Riviera Beach, MD

Average daylight in January / Average sunshine in January - Riviera Beach, 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
Riviera Beach, MD

Average sunshine days in January - Riviera Beach, 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
Riviera Beach, MD

Average UV index in January - Riviera Beach, 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
Riviera Beach, MD

Average cloud cover in January - Riviera Beach, 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
Riviera Beach, MD

Average visibility in January - Riviera Beach, 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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Riviera Beach, Maryland, USA

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