Climate and monthly weather forecast
Mont Vernon, NH

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Weather in January

January, like December, is a freezing cold winter month in Mont Vernon, New Hampshire, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.1°F (-8.3°C). January is Mont Vernon's coldest month, registering average high temperatures of 29.7°F (-1.3°C) and lows of 17.1°F (-8.3°C). Weather in January »

Weather in February

February, the last month of the winter in Mont Vernon, is a wintry month, with an average temperature fluctuating between 32.9°F (0.5°C) and 18.5°F (-7.5°C). Mont Vernon registers an average high-temperature of a cold 32.9°F (0.5°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is also an icy month in Mont Vernon, New Hampshire, with an average temperature ranging between min 26.1°F (-3.3°C) and max 41°F (5°C). Mont Vernon's transition into March is marked by a minor temperature shift, moving from 32.9°F (0.5°C) in February to a still wintry 41°F (5°C). Weather in March »

Weather in April

April in Mont Vernon, New Hampshire, is a fresh spring month, with an average temperature fluctuating between 54.7°F (12.6°C) and 37°F (2.8°C). April's arrival coincides with a rise in the average high-temperature, moving from March's wintry 41°F (5°C) to a cool 54.7°F (12.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Mont Vernon, New Hampshire, with an average temperature varying between 46.9°F (8.3°C) and 67.1°F (19.5°C). Mont Vernon's transition into May is marked by a temperature shift, moving from a cool 54.7°F (12.6°C) in April to an enjoyable 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Mont Vernon, New Hampshire, with an average temperature varying between 54.1°F (12.3°C) and 74.7°F (23.7°C). June witnesses a subtle temperature ascent, adjusting from an enjoyable 67.1°F (19.5°C) in May to a warm 74.7°F (23.7°C). Weather in June »

Weather in July

July, like June, in Mont Vernon, New Hampshire, is a moderately hot summer month, with an average temperature ranging between max 81.5°F (27.5°C) and min 61°F (16.1°C). Mont Vernon's warmest temperatures are experienced in July, with average high temperatures of 81.5°F (27.5°C) and lows of 61°F (16.1°C). For July, the heat index is calculated to be a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Mont Vernon, is another warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 59.4°F (15.2°C). As Mont Vernon transitions from July to August, the average high-temperatures adjust to a still moderately hot 79.3°F (26.3°C), nearly the same as the previous 81.5°F (27.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Mont Vernon, New Hampshire, with an average temperature varying between 52.5°F (11.4°C) and 71.8°F (22.1°C). The arrival of September corresponds with a light shift in temperature, down from a warm 79.3°F (26.3°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Mont Vernon, New Hampshire, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 58.5°F (14.7°C). Start of October brings a shift in the average high-temperature, falling from September's pleasant 71.8°F (22.1°C) to a moderate 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Mont Vernon, is another chilly month, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 33.1°F (0.6°C). Stepping into November, Mont Vernon observes a temperature decline, with the average high falling from October's moderate 58.5°F (14.7°C) to a chilly 46.6°F (8.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Mont Vernon, New Hampshire, with an average temperature varying between 24.6°F (-4.1°C) and 35.4°F (1.9°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 46.6°F (8.1°C) to a wintry 35.4°F (1.9°C). Weather in December »
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is the month when Mont Vernon experiences its coldest temperatures, averaging a high of 29.7°F (-1.3°C) and a low of 17.1°F (-8.3°C).

How many days does it rain?

Throughout the year, there are 146.9 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

Throughout the year, there are 38.3 snowfall days, and 26.42" (671mm) of snow is accumulated.

What is the month with the lowest UV index?

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

What is the most humid month?

February is the most humid month in Mont Vernon, with an average relative humidity of 82%.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 9.4 days and accumulates 6.42" (163mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST)?

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?

April is the least humid month, with an average relative humidity of 72%.

When it does not snow in Mont Vernon?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What time of the year is the hottest?

In Mont Vernon, New Hampshire, the peak average temperatures are observed in July, with a high of 81.5°F (27.5°C) and a low of 61°F (16.1°C).

What are the months with the highest UV index?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What month has the most sunshine?

With an average of 10.4h of sunshine, August has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.61" (41mm) of precipitation.

What is the wettest month?

The month with the most rainfall is October, when the rain falls for 13.6 days and typically aggregates up to 3.03" (77mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Mont Vernon, NH

Average temperature - Mont Vernon, NH

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure
Mont Vernon, NH

Average pressure - Mont Vernon, NH

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Mont Vernon, NH

Average wind speed - Mont Vernon, NH

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity
Mont Vernon, NH

Average humidity - Mont Vernon, NH

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Mont Vernon, NH

Average rainfall - Mont Vernon, NH

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

Average rainfall days
Mont Vernon, NH

Average rainfall days - Mont Vernon, NH

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.9 days).

Average snowfall
Mont Vernon, NH

Average snowfall - Mont Vernon, NH

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Mont Vernon, NH

Average snowfall days - Mont Vernon, NH

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Mont Vernon, NH

Average daylight / Average sunshine - Mont Vernon, NH

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

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
Mont Vernon, NH

Average sunshine days - Mont Vernon, NH

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.2 days).

Average UV index
Mont Vernon, NH

Average UV index - Mont Vernon, NH

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

Average visibility
Mont Vernon, NH

Average visibility - Mont Vernon, NH

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

Mont Vernon, New Hampshire, USA

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