January weather forecastArmagh, PA

January

Weather in January

January, the same as December, in Armagh, Pennsylvania, is a freezing cold winter month, with an average temperature ranging between max 30.7°F (-0.7°C) and min 18.9°F (-7.3°C).

Temperature

January brings the lowest temperatures, with an average high of 30.7°F (-0.7°C) and an average low of 18.9°F (-7.3°C).

Humidity

The average relative humidity in January is 85%.

Rainfall

In Armagh, in January, during 9.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Armagh, during the entire year, the rain falls for 176.9 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 17.1 days and accumulates 7.8" (198mm) of snow.

Daylight

The average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:39 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:32 pm EST.

Sunshine

The month with the least sunshine in Armagh is January, with an average of 3h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Armagh, the average lowest temperatures are observed in January, with a high of 30.7°F (-0.7°C) and a low of 18.9°F (-7.3°C).

The average high-temperature and low-temperature during January are 30.7°F (-0.7°C) and 18.9°F (-7.3°C) respectively.

The average relative humidity in January in Armagh is 85%.

In Armagh, in January, it is raining for 9.6 days, with typically 2.6" (66mm) of accumulated precipitation.

The month with the most snowfall is January, when snow falls for 17.1 days and typically aggregates up to 7.8" (198mm) of snow.

In January, it is snowing for 17.1 days. Throughout January, 7.8" (198mm) of snow is accumulated.

The average day length in January in Armagh is 9h and 41min.

On the first day of January, sunrise is at 7:39 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:32 pm EST.

January has the least sunshine of the year, with an average of 3h of sunshine.

In January, the average sunshine duration is 3h.

In Armagh, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

36.7°F

30.7°F

35.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.1mph

10.7mph

10.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.8

7.3

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Armagh, PA

Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).

Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
Armagh, PA

Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Armagh, PA

Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Armagh, PA

Average humidity in January: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in January
Armagh, PA

Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in January
Armagh, PA

Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in January
Armagh, PA

Average snowfall in January: 7.8"

The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Armagh, PA

Average snowfall days in January: 17.1 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January: 9h and 42min

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 18min).

Average sunshine in January: 3h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).