January weather forecastRiviera Beach, FL
January
Weather in January
January, the same as December, in Riviera Beach, Florida, is an agreeable winter month, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 64.2°F (17.9°C).Temperature
In Riviera Beach, January records the lowest average temperatures, peaking at 72°F (22.2°C) and reaching a low of 64.2°F (17.9°C).Humidity
In January, the average relative humidity in Riviera Beach, Florida, is 73%.Rainfall
The month with the least rainfall in Riviera Beach is January, when the rain falls for 9.8 days and typically collects 0.51" (13mm) of precipitation.Ocean temperature
The months with the coldest seawater are January and February, with an average ocean temperature of 74.1°F (23.4°C).Note: A swim in 74.1°F (23.4°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.
Daylight
The average length of the day in January in Riviera Beach is 10h and 41min.On the first day of January, sunrise is at 7:08 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:01 pm EST.
Sunshine
January and December, with an average of 6.1h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and February, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in January leads to these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Attention! The combination of sand and water reflections enhances UV ray intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Riviera Beach, FL
- Average high temperature in January: 72°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (72°F).
- Average low temperature in January: 64.2°F
The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).
Average pressure in January
Riviera Beach, FL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in January
Riviera Beach, FL
- Average wind speed in January: 11.7mph
The windiest month (with the highest average wind speed) is March (11.8mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in January
Riviera Beach, FL
- Average humidity in January: 73%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Riviera Beach, FL
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in January
Riviera Beach, FL
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is September (25 days).
The month with the least rainy days is February (9.3 days).
Average sea temperature in January
Riviera Beach, FL
- Average sea temperature in January: 74.1°F
The best month for swimming (with the highest average sea temperature) is August (85.7°F).
The coldest month (with the lowest average sea temperature) is January (74.1°F).
Average daylight in January /
Average sunshine in January
Riviera Beach, FL
- Average daylight in January: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in January
Riviera Beach, FL
- Average sunshine days in January: 18.2 days
The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is August (3.5 days).
Average UV index in January
Riviera Beach, FL
- Average UV index in January: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover in January
Riviera Beach, FL
- Average cloud cover in January: 35
The months with the most cloud cover are January, November and December (Cloud cover 35).
The months with the least cloud cover are May, July and August (Cloud cover 28).
Average visibility in January
Riviera Beach, FL
- 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).
