January weather forecast
Monticello, IN

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Weather in January

January, the same as December, in Monticello, Indiana, is another subzero cold winter month, with an average temperature fluctuating between 19°F (-7.2°C) and 30.6°F (-0.8°C).

Temperature

January stands out as Monticello's coldest month, with temperatures ranging between an average high of 30.6°F (-0.8°C) and a low of 19°F (-7.2°C).

Humidity

The average relative humidity in January is 82%.

Rainfall

In January, the rain falls for 6.9 days. Throughout January, 1.22" (31mm) of precipitation is accumulated. Throughout the year, in Monticello, there are 157.1 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Monticello. The month with the most snowfall is January, when snow falls for 12.6 days and typically aggregates up to 2.95" (75mm) of snow.

Daylight

The average length of the day in January is 9h and 39min.
On the first day of the month, sunrise is at 8:11 am and sunset at 5:29 pm. On the last day of January, sunrise is at 7:58 am and sunset at 6:02 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.8h of sunshine.

UV index

In Monticello, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 2 in January leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

In Monticello, the lowest temperatures are generally noted in January, averaging a high of 30.6°F (-0.8°C) and a low of 19°F (-7.2°C).

How cold is it in January?

An average high-temperature, in January, in Monticello, is 30.6°F (-0.8°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 82%.

How much does it rain in January?

In January, the rain falls for 6.9 days. Throughout January, 1.22" (31mm) of precipitation is accumulated.

What is the snowiest month?

January is the month with the most snowfall in Monticello. Snow falls for 12.6 days and accumulates 2.95" (75mm) of snow.

How much does it snow in January?

In January, it is snowing for 12.6 days. Throughout January, 2.95" (75mm) of snow is accumulated.

How many hours of daylight does Monticello have in January?

In January, the average day length is 9h and 39min.

What time are sunrise and sunset in January in Monticello?

On the first day of January, sunrise is at 8:11 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 6:02 pm EST.

What is the month with the least sunshine?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In Monticello, the average sunshine duration in January is 3.8h.

What is the UV index intensity in January?

In Monticello, Indiana, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Monticello, IN

Average temperature in January - Monticello, IN
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in January
Monticello, IN

Average pressure in January - Monticello, IN
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Monticello, IN

Average wind speed in January - Monticello, IN
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in January
Monticello, IN

Average humidity in January - Monticello, IN
  • Average humidity in January: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Monticello, IN

Average rainfall in January - Monticello, IN
  • Average rainfall in January: 1.22"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in January
Monticello, IN

Average rainfall days in January - Monticello, IN
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in January
Monticello, IN

Average snowfall in January - Monticello, IN
  • Average snowfall in January: 2.95"

The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Monticello, IN

Average snowfall days in January - Monticello, IN
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 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, IN

Average daylight in January / Average sunshine in January - Monticello, IN
  • 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: 3h and 5min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Monticello, IN

Average sunshine days in January - Monticello, IN
  • Average sunshine days in January: 13.1 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in January
Monticello, IN

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Monticello, IN

Average cloud cover in January - Monticello, IN
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Monticello, IN

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

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

Monticello, Indiana, USA

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