January weather forecast
Wyomissing, PA

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Weather in January

January, the same as December, is an icy winter month in Wyomissing, Pennsylvania, with an average temperature fluctuating between 22.3°F (-5.4°C) and 35.1°F (1.7°C).

Temperature

Wyomissing's January weather, marked by an average high temperature of 35.1°F (1.7°C) and an average low temperature of 22.3°F (-5.4°C), is the coldest in the year.

Humidity

The average relative humidity in January is 78%.

Rainfall

In Wyomissing, in January, during 7.9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Wyomissing, during the entire year, the rain falls for 155.7 days and collects up to 30.83" (783mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Wyomissing, during January, snow falls for 6.4 days and regularly aggregates up to 2.8" (71mm) of snow. Throughout the year, there are 21.1 snowfall days, and 12.28" (312mm) of snow is accumulated.

Daylight

In Wyomissing, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:20 pm EST.

Sunshine

In January, the average sunshine is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during January leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Wyomissing, January is known for its average lowest temperatures, reaching a high of 35.1°F (1.7°C) and a low of 22.3°F (-5.4°C).

How cold is January?

The average high-temperature, in January, in Wyomissing, is 35.1°F (1.7°C), while the average low-temperature is 22.3°F (-5.4°C).

What is the average humidity in January?

In January, the average relative humidity is 78%.

How many days does it rain in January?

In Wyomissing, during January, the rain falls for 7.9 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How many days does it snow in January?

In January, it is snowing for 6.4 days. Throughout January, 2.8" (71mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 41min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:26 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:20 pm EST.

How many hours of sunshine does Wyomissing have in January?

The average sunshine duration in January is 4.7h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In Wyomissing, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Wyomissing, PA

Average temperature in January - Wyomissing, PA
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 22.3°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in January
Wyomissing, PA

Average pressure in January - Wyomissing, PA
  • 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
Wyomissing, PA

Average wind speed in January - Wyomissing, PA
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in January
Wyomissing, PA

Average humidity in January - Wyomissing, PA
  • Average humidity in January: 78%

The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Wyomissing, PA

Average rainfall in January - Wyomissing, PA
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (2.05").

Average rainfall days in January
Wyomissing, PA

Average rainfall days in January - Wyomissing, PA
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in January
Wyomissing, PA

Average snowfall in January - Wyomissing, PA
  • Average snowfall in January: 2.8"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Wyomissing, PA

Average snowfall days in January - Wyomissing, PA
  • Average snowfall days in January: 6.4 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Wyomissing, PA

Average daylight in January / Average sunshine in January - Wyomissing, PA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Wyomissing, PA

Average sunshine days in January - Wyomissing, PA
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in January
Wyomissing, PA

Average UV index in January - Wyomissing, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in January
Wyomissing, PA

Average cloud cover in January - Wyomissing, PA
  • Average cloud cover in January: 48

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Wyomissing, PA

Average visibility in January - Wyomissing, PA
  • Average visibility in January: 6mi

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

Wyomissing, Pennsylvania, USA

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