Climate and monthly 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). 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). Weather in January »

Weather in February

The last month of the winter, February, is an icy month in Monticello, Pennsylvania, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 35.2°F (1.8°C). Monticello starts February with an average high-temperature of a cold 35.2°F (1.8°C), hinting at a minimal fluctuation from January. Weather in February »

Weather in March

March, the first month of the spring in Monticello, is a chilly month, with an average temperature varying between 44.4°F (6.9°C) and 28.8°F (-1.8°C). March witnesses an increase in the average high-temperature, moving from a cold 35.2°F (1.8°C) in February to a chilly 44.4°F (6.9°C). Weather in March »

Weather in April

April in Monticello, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 38.3°F (3.5°C) and 56.5°F (13.6°C). A shift in the average high-temperature is noticeable in April, changing from a frosty 44.4°F (6.9°C) in March to a refreshing 56.5°F (13.6°C). Weather in April »

Weather in May

May, the last month of the spring in Monticello, is an agreeable month, with an average temperature ranging between min 48.7°F (9.3°C) and max 68.4°F (20.2°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a mild 56.5°F (13.6°C) to a pleasant 68.4°F (20.2°C). Weather in May »

Weather in June

June, the first month of the summer in Monticello, is a warm month, with an average temperature varying between 55°F (12.8°C) and 75.7°F (24.3°C). Monticello's transition into June sees a mild rise in the average high-temperature, edging from an agreeable 68.4°F (20.2°C) in May to a warm 75.7°F (24.3°C). Weather in June »

Weather in July

July, like June, in Monticello, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 59.5°F (15.3°C). Monticello's warmest month, July, generally records average temperatures ranging from a high of 81.3°F (27.4°C) to a low of 59.5°F (15.3°C). The heat index value during July is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Monticello, is another warm month, with an average temperature ranging between min 57.7°F (14.3°C) and max 78.6°F (25.9°C). The average high-temperature during August is a still moderately hot 78.6°F (25.9°C), almost matching the conditions of the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Monticello, is also an agreeable month, with an average temperature varying between 52.2°F (11.2°C) and 72.5°F (22.5°C). In Monticello, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 78.6°F (25.9°C) to an agreeable 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Monticello, Pennsylvania, with an average temperature ranging between min 43.9°F (6.6°C) and max 59.9°F (15.5°C). A subtle decrease in the average high-temperature marks October, falling from September's agreeable 72.5°F (22.5°C) to a mild 59.9°F (15.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Monticello, Pennsylvania, with an average temperature fluctuating between 47.3°F (8.5°C) and 32.9°F (0.5°C). The transition into November involves a decrease in the average high-temperature, falling from a moderate 59.9°F (15.5°C) in October to a chilly 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Monticello, Pennsylvania, with an average temperature ranging between min 27°F (-2.8°C) and max 37.6°F (3.1°C). Monticello's transition into December involves a shift in temperature, receding from a chilly 47.3°F (8.5°C) in November to a wintry 37.6°F (3.1°C). Weather in December »
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 much does it rain?

Throughout the year, there are 166.3 rainfall days, and 31.06" (789mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

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 many days does it snow?

Throughout the year, in Monticello, Pennsylvania, there are 47.6 snowfall days, and 22.91" (582mm) of snow is accumulated.

What is the most humid month?

February is the most humid month, with an average relative humidity of 83%.

What is the month with the least sunshine?

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

When is Daylight Saving Time (DST) in Monticello?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month?

The least humid month is April, with an average relative humidity of 77%.

What is the wettest month?

The months with the most rainfall are April and May, with an average 2.99" (76mm) of precipitation.

What is the month with the highest UV index?

The months with the highest UV index in Monticello are May through August, with an average maximum UV index of 5.

When it does not snow?

In Monticello, snow does not fall in June through September.

When are the longest days?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What is the warmest month?

July is the month when Monticello, Pennsylvania, experiences its warmest temperatures, averaging a high of 81.3°F (27.4°C) and a low of 59.5°F (15.3°C).

What month has the most sunshine in Monticello?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month in Monticello?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 2.05" (52mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

Average temperature
Monticello, PA

Average temperature - Monticello, PA

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).

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
Monticello, PA

Average pressure - Monticello, PA

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
Monticello, PA

Average wind speed - Monticello, PA

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
Monticello, PA

Average humidity - Monticello, PA

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

Average rainfall
Monticello, PA

Average rainfall - Monticello, PA

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
Monticello, PA

Average rainfall days - Monticello, PA

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
Monticello, PA

Average snowfall - Monticello, PA

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
Monticello, PA

Average snowfall days - Monticello, PA

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 / Average sunshine
Monticello, PA

Average daylight / Average sunshine - Monticello, PA

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).

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
Monticello, PA

Average sunshine days - Monticello, PA

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
Monticello, PA

Average UV index - Monticello, PA

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 visibility
Monticello, PA

Average visibility - Monticello, PA

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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