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 average temperature ranging between min 24.8°F (-4°C) and max 41°F (5°C).

Temperature

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

Rainfall

In January, the rain falls for 10 days. Throughout January, 3.3" (84mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 115 days and collects up to 43.5" (1105mm) of precipitation.

Daylight

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

Sunshine

January and December, with an average of 5h of sunshine, are months with the least 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 reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to 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. 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, 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, is 41°F (5°C), while the average low-temperature is 24.8°F (-4°C).

How much does it rain in Dover in January?

In Dover, Delaware, during January, the rain falls for 10 days and regularly aggregates up to 3.3" (84mm) of precipitation.

How many hours of daylight does Dover have in January?

The average length of the day in January in Dover 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 long on average sun shines in January in Dover?

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

When is 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, Delaware, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.
Average temperature in January - Dover, DE
  • Average high temperature in January: 41°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in January: 25°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average rainfall in January - Dover, DE
  • Average rainfall in January: 3.3"

The wettest month (with the highest rainfall) is August (4.3").
The driest month (with the lowest rainfall) is February (3").

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).