January weather forecast and climate
Riverview, DE

Weather in January

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

Temperature

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

Humidity

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

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. The month with the most snowfall in Riverview is January when snow falls for 4.3 days and typically aggregates up to 1.93" (49mm) of snow.

Daylight

In January, the average length of the day in Riverview is 9.8h.

Sunshine

In Riverview, the average sunshine is 5.2h.

UV index

Months with the lowest UV index in Riverview, Delaware, are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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 in Riverview.

What is the temperature in January in Riverview?

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

What are the least humid months in Riverview?

Months with the lowest humidity 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%.

How much does it rain in Riverview in January?

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

What is the driest month in Riverview?

January is the month with the least rainfall in Riverview. Rain falls for 9.5 days and accumulates 2.13" (54mm) of precipitation.

How many days does it snow in January in Riverview?

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

When does it snow the most in Riverview?

The month with the most snowfall is January when snow falls for 4.3 days and typically aggregates up to 1.93" (49mm) of snow.

How many hours of daylight does Riverview have in January?

In Riverview, the average length of the day in January is 9.8h.

How long on average sun shines in January in Riverview?

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

What are the months with the lowest UV index in Riverview?

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

What is the UV index intensity in January in Riverview?

The average daily maximum UV index in January in Riverview is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.

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"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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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%

Months with the highest relative humidity are May, August and September (79%).
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").
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).
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: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 5.2h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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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

Months with the highest UV index are May, June, July and August (UV index 6).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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