January weather forecast
Riverview, DE

Weather in January

January, the same as December, is a wintry winter month in Riverview, Delaware, with an average temperature fluctuating between 40.3°F (4.6°C) and 28.8°F (-1.8°C).

Temperature

With an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 28.8°F (-1.8°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 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 in Riverview are January through April, November and December. January is the month with the most snowfall in Riverview. Snow falls for 4.3 days and accumulates 1.93" (49mm) of snow.

Daylight

The average length of the day in January is 9h and 48min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:50 pm. On the last day of January, in Riverview, Delaware, sunrise is at 7:09 am and sunset at 5:21 pm EST.

Sunshine

In Riverview, Delaware, the average sunshine in January is 5.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Riverview?

With an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 28.8°F (-1.8°C), January is the coldest month.

What is the temperature in January in Riverview?

The average high-temperature, in January, in Riverview, is 40.3°F (4.6°C), while the average low-temperature is 28.8°F (-1.8°C).

What are the least humid months in Riverview?

The months with the lowest humidity in Riverview are January, March, April and November, with an average relative humidity of 74%.

What is the average humidity in January in Riverview?

In January, the average relative humidity in Riverview is 74%.

What is the driest month in Riverview?

The month with the least rainfall is January, when the rain falls for 9.5 days and typically collects 2.13" (54mm) of precipitation.

How much does it rain in Riverview in January?

In January, in Riverview, Delaware, the rain falls for 9.5 days. Throughout January, 2.13" (54mm) of precipitation is accumulated.

What is the snowiest month in Riverview?

January is the month with the most snowfall. Snow falls for 4.3 days and accumulates 1.93" (49mm) of snow.

How much does it snow in Riverview in January?

In Riverview, in January, during 4.3 snowfall days, 1.93" (49mm) of snow is typically accumulated.

What is the average length of the day in January in Riverview?

In Riverview, Delaware, the average day length in January is 9h and 48min.

When is the sunrise / sunset in January in Riverview?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:50 pm. On the last day of the month, in Riverview, Delaware, sunrise is at 7:09 am and sunset at 5:21 pm EST.

How many hours of sunshine does Riverview have in January?

In Riverview, Delaware, the average sunshine duration in January is 5.2h.

What is the month with the lowest UV index in Riverview?

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

What is the UV index reading in January in Riverview?

In Riverview, Delaware, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Riverview, DE

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).

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Average pressure in January
Riverview, DE

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).

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Average wind speed in January
Riverview, DE

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).

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Average humidity in January
Riverview, DE

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%).

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Average rainfall in January
Riverview, DE

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").

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Average rainfall days in January
Riverview, DE

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).

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Average snowfall in January
Riverview, DE

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").

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Average snowfall days in January
Riverview, DE

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).

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Average daylight in January /
Average sunshine in January
Riverview, DE

Average daylight in January / Average sunshine in January - Riverview, DE
  • Average daylight in January: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in January: 5h and 12min

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).

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Average sunshine days in January
Riverview, DE

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).

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Average UV index in January
Riverview, DE

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).

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Average cloud cover in January
Riverview, DE

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).

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Average visibility in January
Riverview, DE

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).

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