January weather forecast
Wyoming, DE

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Weather in January

The start of the year in Wyoming, Delaware experiences cool temperatures and relatively low amounts of sunshine. January’s weather becomes distinctively cold with the lowest temperatures dropping to 28.8°F (-1.8°C), making it the coldest month of the year. Varying degrees of cloudiness are common due to a high percentage of relative humidity. The daylight hours of under 10 hours complement the mood of the winter season. Despite high humidity and pressure, expect clear conditions with fair visibility across the region.

Temperature

The coldest time of the year is January, with temperatures averaging a high of 39.7°F (4.3°C) and a low of 28.8°F (-1.8°C).

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. Rain falls for 8.2 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

January through March and December are months with snowfall. January is the month with the most snowfall in Wyoming. Snow falls for 3.5 days and accumulates 1.65" (42mm) of snow.

Daylight

In January, the average length of the day in Wyoming is 9h and 47min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:49 pm. On the last day of January, in Wyoming, sunrise is at 7:09 am and sunset at 5:21 pm EST.

Sunshine

In January, the average sunshine is 5.3h.

UV index

January 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 unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Wyoming?

January is the coldest month of the year, registering average temperatures as high as 39.7°F (4.3°C) and as low as 28.8°F (-1.8°C).

How cold does it get in Wyoming in January?

The average high-temperature and low-temperature during January are 39.7°F (4.3°C) and 28.8°F (-1.8°C) respectively.

What is the least humid month in Wyoming?

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

What is the average humidity in January in Wyoming?

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

What is the driest month in Wyoming?

The month with the least rainfall in Wyoming is January, when the rain falls for 8.2 days and typically collects 1.46" (37mm) of precipitation.

How much does it rain in Wyoming in January?

In Wyoming, during January, the rain falls for 8.2 days and regularly aggregates up to 1.46" (37mm) of precipitation.

What is the snowiest month in Wyoming?

January is the month with the most snowfall in Wyoming, Delaware. Snow falls for 3.5 days and accumulates 1.65" (42mm) of snow.

How much does it snow in Wyoming in January?

In Wyoming, in January, snow falls for 3.5 days, with typically accumulated 1.65" (42mm) of snow.

How many hours of daylight does Wyoming have in January?

In Wyoming, Delaware, the average day length in January is 9h and 47min.

What time are sunrise and sunset in January in Wyoming?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:21 pm EST.

How many hours of sunshine does Wyoming have in January?

In January, the average sunshine duration in Wyoming is 5.3h.

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

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

What is the UV index reading in January in Wyoming?

In January, the average daily maximum UV index in Wyoming is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46.2°F 7.9°C
39.7°F 4.3°C
43.3°F 6.3°C
Average low temperature
35.6°F 2°C
28.8°F -1.8°C
31.1°F -0.5°C
Average pressure
30.1" 765mmHg
30.09" 764mmHg
30.06" 764mmHg
Average wind speed
9.3mph 15km/h
9.9mph 15.9km/h
10.1mph 16.3km/h
Average max. wind speed
10mph 16.1km/h
10.7mph 17.2km/h
10.8mph 17.4km/h
Average wind speed gusts
15.2mph 24.5km/h
16.2mph 26.1km/h
16.4mph 26.4km/h
Average humidity
76%
74%
75%
Average rainfall
2.09" 53mm
1.46" 37mm
1.89" 48mm
Average rainfall days
10.5
8.2
9.9
Average snowfall
0.51" 13mm
1.65" 42mm
0.91" 23mm
Average snowfall days
1.7
3.5
3.1
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 1min
5h 2min
5h 0min
Average sunshine days
18.4
19.3
15.3
Average UV index
2
2
3
Average cloud cover
45%
43%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Wyoming, DE

Average temperature in January - Wyoming, DE
  • Average high temperature in January: 39.7°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 (39.7°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in January
Wyoming, DE

Average pressure in January - Wyoming, 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).

Average wind speed in January
Wyoming, DE

Average wind speed in January - Wyoming, 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 (6.4mph).

Average humidity in January
Wyoming, DE

Average humidity in January - Wyoming, DE
  • Average humidity in January: 74%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in January
Wyoming, DE

Average rainfall in January - Wyoming, DE
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in January
Wyoming, DE

Average rainfall days in January - Wyoming, DE
  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in January
Wyoming, DE

Average snowfall in January - Wyoming, DE
  • Average snowfall in January: 1.65"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Wyoming, DE

Average snowfall days in January - Wyoming, DE
  • Average snowfall days in January: 3.5 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in January / Average sunshine in January - Wyoming, DE
  • Average daylight in January: 9h and 5min

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 30min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in January
Wyoming, DE

Average sunshine days in January - Wyoming, DE
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January
Wyoming, DE

Average UV index in January - Wyoming, 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).

Average cloud cover in January
Wyoming, DE

Average cloud cover in January - Wyoming, DE
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in January
Wyoming, DE

Average visibility in January - Wyoming, 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).

Wyoming, Delaware, USA

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