January weather forecast
Monticello, PA

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Weather in January

January, like December, is a freezing cold winter month in Monticello, Pennsylvania, with temperature in the range of an average high of 31.8°F (-0.1°C) and an average low of 19°F (-7.2°C).

Temperature

Monticello's coldest temperatures are experienced in January, with average high temperatures of 31.8°F (-0.1°C) and lows of 19°F (-7.2°C).

Humidity

In Monticello, the average relative humidity in January is 81%.

Rainfall

In Monticello, during January, the rain falls for 9.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Monticello, Pennsylvania, during the entire year, the rain falls for 166.3 days and collects up to 31.06" (789mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 12.9 days and accumulates 5.94" (151mm) of snow.

Daylight

In January, the average length of the day is 9h and 38min.
On the first day of January, sunrise is at 7:29 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:20 pm EST.

Sunshine

In Monticello, the average sunshine in January is 3.9h.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 during January leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Monticello witnesses the coldest weather in January, with temperatures averaging a high of 31.8°F (-0.1°C) and a low of 19°F (-7.2°C).

How cold is January?

An average high-temperature, in January, in Monticello, is 31.8°F (-0.1°C) and the average low-temperature is 19°F (-7.2°C).

What is the average humidity in January?

In January, the average relative humidity is 81%.

How many days does it rain in January in Monticello?

In Monticello, in January, during 9.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 12.9 days and accumulates 5.94" (151mm) of snow.

How much does it snow in January?

In Monticello, during January, snow falls for 12.9 days and regularly aggregates up to 5.94" (151mm) of snow.

What is the average length of the day in January?

The average day length in January is 9h and 38min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:20 pm EST.

How many hours of sunshine does Monticello have in January?

The average sunshine duration in January is 3.9h.

How high is the UV index in January in Monticello?

In Monticello, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Monticello, PA

Average temperature in January - Monticello, PA
  • Average high temperature in January: 31.8°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in January
Monticello, PA

Average pressure in January - Monticello, 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
Monticello, PA

Average wind speed in January - Monticello, PA
  • Average wind speed in January: 7.8mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in January
Monticello, PA

Average humidity in January - Monticello, PA
  • Average humidity in January: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in January
Monticello, PA

Average rainfall in January - Monticello, PA
  • Average rainfall in January: 2.44"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in January
Monticello, PA

Average rainfall days in January - Monticello, PA
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in January
Monticello, PA

Average snowfall in January - Monticello, PA
  • Average snowfall in January: 5.94"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Monticello, PA

Average snowfall days in January - Monticello, PA
  • Average snowfall days in January: 12.9 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in January
Monticello, PA

Average sunshine days in January - Monticello, PA
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in January
Monticello, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Monticello, PA

Average cloud cover in January - Monticello, PA
  • Average cloud cover in January: 57

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in January
Monticello, PA

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

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

Monticello, Pennsylvania, USA

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