Dover
Delaware, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Dover, DE

The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees
January, the same as December, is another cold winter month in Dover, Delaware, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 41°F (5°C).

Temperature

With an average high-temperature of 41°F (5°C) and an average low-temperature of 24.8°F (-4°C), January is the coldest month.

Rainfall

In Dover, Delaware, during 10 rainfall days, 3.3" (84mm) of precipitation is typically accumulated. Throughout the year, in Dover, there are 115 rainfall days, and 43.5" (1105mm) of precipitation is accumulated.

Daylight

The average length of the day in Dover is 9.8h.

Sunshine

Months with the least sunshine are January and December, with an average of 5h of sunshine.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the average person.
The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the coldest month in Dover?

January is the coldest month in Dover, Delaware, with an average high-temperature of 41°F (5°C) and an average low-temperature of 24.8°F (-4°C).

What is the temperature in January in Dover?

The average high-temperature, in January, in Dover, Delaware, is 41°F (5°C), while the average low-temperature is 24.8°F (-4°C).

How many days does it rain in January in Dover?

In Dover, Delaware, in January, during 10 rainfall days, 3.3" (84mm) of precipitation is typically accumulated.

How many hours of daylight does Dover have in January?

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

What is the month with the least sunshine in Dover?

Months with the least sunshine in Dover are January and December, with an average of 5h of sunshine.

How many hours of sunshine does Dover have in January?

In Dover, the average sunshine in January is 5h.

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

Months with the lowest UV index in Dover, Delaware, are January, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Dover?

In Dover, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.
Average temperature in January - Dover, DE
  • Average high temperature in January: 5°C

The warmest month (with the highest average high temperature) is July (31°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in January: -4°C

The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average rainfall in January - Dover, DE
  • Average rainfall in January: 84mm

The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the lowest rainfall) is February (76mm).

Average rainfall days in January - Dover, DE
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is July (11 days).
The month with the lowest number of rainy days is October (7 days).

Average daylight in January / Average sunshine in January - Dover, DE
  • Average daylight in January: 9.8h

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

  • Average sunshine in January: 5h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in January - Dover, DE
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).