Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 67.6°F (19.8°C) and a low of 50°F (10°C).Humidity
In January, the average relative humidity in Riverdale is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.31" (8mm) of precipitation.Daylight
The average length of the day in January is 10h and 34min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:43 pm. On the last day of January, in Riverdale, sunrise is at 7:17 am and sunset at 6:07 pm EST.
Sunshine
The average sunshine in January is 6.6h.UV index
With an average maximum UV index of 4, January is the month with the lowest UV index in Riverdale. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 4 in January translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the coldest time of year in Riverdale?
What is the temperature in January in Riverdale?
What is the average humidity in January in Riverdale?
What is the driest month in Riverdale?
How many days does it rain in January in Riverdale?
How many hours of daylight does Riverdale have in January?
When are sunrise and sunset in January in Riverdale?
How long on average sun shines in January in Riverdale?
What is the month with the lowest UV index in Riverdale?
How high is the UV index in January in Riverdale?
Average temperature in January
Riverdale, FL
- Average high temperature in January: 67.6°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in January: 50°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (50°F).
Average pressure in January
Riverdale, FL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in January
Riverdale, FL
- Average wind speed in January: 6.2mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in January
Riverdale, FL
- Average humidity in January: 73%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in January
Riverdale, FL
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in January
Riverdale, FL
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (5.8 days).
Average daylight in January /
Average sunshine in January
Riverdale, FL
- Average daylight in January: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in January
Riverdale, FL
- Average sunshine days in January: 23.3 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (6.2 days).
Average UV index in January
Riverdale, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in January
Riverdale, FL
- Average cloud cover in January: 36
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in January
Riverdale, 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).
Riverdale, Florida, USA
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