January weather forecast
Yorklyn, DE

Share

Weather in January

January, like December, in Yorklyn, Delaware, is an icy winter month, with an average temperature ranging between max 36.9°F (2.7°C) and min 24.8°F (-4°C).

Temperature

The month of January, characterized by an average high of 36.9°F (2.7°C) and a low of 24.8°F (-4°C), is recognized as the coldest.

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Yorklyn, in January, during 6.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 135 rainfall days, and 17.76" (451mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Yorklyn are January through May, November and December. In Yorklyn, during January, snow falls for 5.2 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, there are 16.6 snowfall days, and 5.47" (139mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 44min.
On the first day of January, sunrise is at 7:23 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:20 pm EST.

Sunshine

In January, the average sunshine is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in January translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the month when Yorklyn experiences its coldest temperatures, averaging a high of 36.9°F (2.7°C) and a low of 24.8°F (-4°C).

How cold is it in January?

Yorklyn in January has an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.8°F (-4°C).

What is the average humidity in January?

In Yorklyn, the average relative humidity in January is 76%.

How many days does it rain in January?

In Yorklyn, in January, during 6.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Yorklyn, in January, snow falls for 5.2 days, with typically accumulated 1.38" (35mm) of snow.

How many hours of daylight does Yorklyn have in January?

The average day length in January is 9h and 44min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:23 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:20 pm EST.

How many hours of sunshine does Yorklyn have in January?

The average sunshine duration in January is 5h.

What are the months with the lowest UV index?

The months with the lowest UV index in Yorklyn are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Yorklyn, DE

Average temperature in January - Yorklyn, DE
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in January: 24.8°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in January
Yorklyn, DE

Average pressure in January - Yorklyn, DE
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Yorklyn, DE

Average wind speed in January - Yorklyn, DE
  • Average wind speed in January: 8.6mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in January
Yorklyn, DE

Average humidity in January - Yorklyn, DE
  • Average humidity in January: 76%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).

Average rainfall in January
Yorklyn, DE

Average rainfall in January - Yorklyn, DE
  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days in January
Yorklyn, DE

Average rainfall days in January - Yorklyn, DE
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in January
Yorklyn, DE

Average snowfall in January - Yorklyn, DE
  • Average snowfall in January: 1.38"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Yorklyn, DE

Average snowfall days in January - Yorklyn, DE
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Yorklyn, DE
  • Average daylight in January: 9h and 4min

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 24min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Yorklyn, DE

Average sunshine days in January - Yorklyn, DE
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in January
Yorklyn, DE

Average UV index in January - Yorklyn, 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, February, November and December (UV index 2).

Average cloud cover in January
Yorklyn, DE

Average cloud cover in January - Yorklyn, DE
  • Average cloud cover in January: 45

The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in January
Yorklyn, DE

Average visibility in January - Yorklyn, DE
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Yorklyn, Delaware, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location