January weather forecast
Lanark, PA

Share

Weather in January

January, the same as December, is an icy winter month in Lanark, Pennsylvania, with an average temperature ranging between min 21.6°F (-5.8°C) and max 34°F (1.1°C).

Temperature

January is the coldest month, exhibiting average temperatures of 34°F (1.1°C) at the peak and 21.6°F (-5.8°C) at the base.

Humidity

In January, the average relative humidity in Lanark is 78%.

Rainfall

In Lanark, in January, it is raining for 6.7 days, with typically 1.81" (46mm) of accumulated precipitation. In Lanark, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Lanark. In Lanark, during January, snow falls for 5 days and regularly aggregates up to 3.15" (80mm) of snow. In Lanark, Pennsylvania, during the entire year, snow falls for 20.4 days and aggregates up to 13.82" (351mm) of snow.

Daylight

In January, the average length of the day in Lanark is 9h and 40min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm EST.

Sunshine

In Lanark, the average sunshine in January 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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

What part of the year is the coldest in Lanark?

Lanark, Pennsylvania, witnesses the coldest weather in January, with temperatures averaging a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).

How cold is it in Lanark in January?

In January, the average high-temperature and low-temperature in Lanark are 34°F (1.1°C) and 21.6°F (-5.8°C) respectively.

What is the average humidity in January in Lanark?

In January, the average relative humidity is 78%.

How many days does it rain in January in Lanark?

In Lanark, in January, it is raining for 6.7 days, with typically 1.81" (46mm) of accumulated precipitation.

How much does it snow in Lanark in January?

In Lanark, Pennsylvania, during January, snow falls for 5 days and regularly aggregates up to 3.15" (80mm) of snow.

How many hours of daylight does Lanark have in January?

In January, the average day length in Lanark, Pennsylvania, is 9h and 40min.

What time are sunrise and sunset in January in Lanark?

On the first day of January in Lanark, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm EST.

How many hours of sunshine does Lanark have in January?

The average sunshine duration in January is 4.7h.

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

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

What is the UV index intensity in January in Lanark?

In January, the average daily maximum UV index in Lanark, Pennsylvania, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Lanark, PA

Average temperature in January - Lanark, PA
  • Average high temperature in January: 34°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

[Resources]

Average pressure in January
Lanark, PA

Average pressure in January - Lanark, PA
  • Average pressure in January: 30.08"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).

[Resources]

Average wind speed in January
Lanark, PA

Average wind speed in January - Lanark, PA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

[Resources]

Average humidity in January
Lanark, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

[Resources]

Average rainfall in January
Lanark, PA

Average rainfall in January - Lanark, PA
  • Average rainfall in January: 1.81"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

[Resources]

Average rainfall days in January
Lanark, PA

Average rainfall days in January - Lanark, PA
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

[Resources]

Average snowfall in January
Lanark, PA

Average snowfall in January - Lanark, PA
  • Average snowfall in January: 3.15"

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Lanark, PA

Average snowfall days in January - Lanark, PA
  • Average snowfall days in January: 5 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in January / Average sunshine in January - Lanark, 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 18min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

[Resources]

Average sunshine days in January
Lanark, PA

Average sunshine days in January - Lanark, PA
  • Average sunshine days in January: 20.5 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

[Resources]

Average UV index in January
Lanark, PA

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

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

[Resources]

Average cloud cover in January
Lanark, PA

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

[Resources]

Average visibility in January
Lanark, PA

Average visibility in January - Lanark, PA
  • Average visibility in January: 5mi

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

[Resources]

Lanark, Pennsylvania, USA

Weather forecast for your location

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