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 snowfall in January
- Average snowfall 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
The lowest temperatures are recorded in January, with averages reaching a high of 40.3°F (4.6°C) and a low of 28.8°F (-1.8°C).Humidity
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.Rainfall
January is the month with the least rainfall in Riverview. Rain falls for 9.5 days and accumulates 2.13" (54mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.3 days and accumulates 1.93" (49mm) of snow.Daylight
In Riverview, the average length of the day in January is 9h and 48min.On the first day of January, sunrise is at 7:20 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index in Riverview, Delaware, are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In January, the UV index of 2 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the coldest time of year in Riverview?
How cold is it in Riverview in January?
What is the least humid month in Riverview?
What is the average humidity in January in Riverview?
What is the driest month in Riverview?
How many days does it rain in January in Riverview?
What is the snowiest month in Riverview?
How many days does it snow in January in Riverview?
What is the average length of the day in January in Riverview?
When are sunrise and sunset in January in Riverview?
How long on average sun shines in January in Riverview?
What are the months with the lowest UV index in Riverview?
What is the UV index reading in January in Riverview?
Average temperature in January
Riverview, DE
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in January
Riverview, DE
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Riverview, DE
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Riverview, DE
- Average humidity in January: 74%
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in January
Riverview, DE
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in January
Riverview, DE
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Riverview, DE
- Average snowfall in January: 1.93"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Riverview, DE
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Riverview, DE
- 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Riverview, DE
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in January
Riverview, DE
- 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 and December (UV index 2).
Average cloud cover in January
Riverview, DE
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Riverview, DE
- 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).
Riverview, Delaware, USA
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