Climate and monthly weather forecast
Saint Johnsbury, VT

The fall beauty has descended upon the small village near St. Johnsbury, Vermont
The fall beauty has descended upon the small village near St. Johnsbury, Vermont

Weather in January

January, like December, is another subzero cold winter month in Saint Johnsbury, Vermont, with an average temperature varying between 22.8°F (-5.1°C) and 9.7°F (-12.4°C). January is the coldest month, with an average high-temperature of 22.8°F (-5.1°C) and an average low-temperature of 9.7°F (-12.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Saint Johnsbury, Vermont, with an average temperature fluctuating between 10.8°F (-11.8°C) and 25.5°F (-3.6°C). In Saint Johnsbury, the average high-temperature in February is relatively the same as in January - a still subzero cold 25.5°F (-3.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Saint Johnsbury, Vermont, with an average temperature fluctuating between 18.9°F (-7.3°C) and 34°F (1.1°C). In March, the average high-temperature slightly increases from a subzero cold 25.5°F (-3.6°C) in February to a cold 34°F (1.1°C). Weather in March »

Weather in April

April is a chilly spring month in Saint Johnsbury, Vermont, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 30.6°F (-0.8°C). In Saint Johnsbury, the average high-temperature in April increases from a cold 34°F (1.1°C) in March to a chilly 47.5°F (8.6°C). Weather in April »

Weather in May

May, the last month of the spring in Saint Johnsbury, is a comfortable month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 42.1°F (5.6°C). In Saint Johnsbury, the average high-temperature in May soars, from a chilly 47.5°F (8.6°C) in April, to a comfortable 63.7°F (17.6°C). Weather in May »

Weather in June

June, the first month of the summer in Saint Johnsbury, is a pleasant month, with an average temperature varying between 70.3°F (21.3°C) and 48.4°F (9.1°C). In June, the average high-temperature slightly increases from an enjoyable 63.7°F (17.6°C) in May to an agreeable 70.3°F (21.3°C). Weather in June »

Weather in July

July in Saint Johnsbury, Vermont, is a moderately hot summer month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 54.5°F (12.5°C). July is the warmest month, with an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 54.5°F (12.5°C). Weather in July »

Weather in August

August, the last month of the summer in Saint Johnsbury, is also a moderately hot month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 52.3°F (11.3°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 75°F (23.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Saint Johnsbury, is also an enjoyable month, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 67.8°F (19.9°C). In September, the average high-temperature marginally drops from a moderately hot 75°F (23.9°C) in August to an enjoyable 67.8°F (19.9°C). Weather in September »

Weather in October

October, like September, in Saint Johnsbury, Vermont, is a cool autumn month, with an average temperature ranging between min 38.8°F (3.8°C) and max 53.6°F (12°C). In October, the average high-temperature drops from an enjoyable 67.8°F (19.9°C) in September to a fresh 53.6°F (12°C). Weather in October »

Weather in November

November, the last month of the autumn in Saint Johnsbury, is also a wintry month, with an average temperature fluctuating between 39.7°F (4.3°C) and 27.5°F (-2.5°C). In Saint Johnsbury, the average high-temperature in November decreases from a cool 53.6°F (12°C) in October to a cold 39.7°F (4.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Saint Johnsbury, Vermont, with an average temperature varying between 28.6°F (-1.9°C) and 18.1°F (-7.7°C). In December, the average high-temperature decreases from a wintry 39.7°F (4.3°C) in November to a subzero cold 28.6°F (-1.9°C). Weather in December »
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FAQ

What is the coldest month in Saint Johnsbury?

January is the coldest month in Saint Johnsbury, Vermont, with an average high-temperature of 22.8°F (-5.1°C) and an average low-temperature of 9.7°F (-12.4°C).

What is the most humid month in Saint Johnsbury?

January and February, with an average relative humidity of 89%, are most humid months in Saint Johnsbury, Vermont.

How many days does it rain in Saint Johnsbury?

In Saint Johnsbury, during the entire year, the rain falls for 157.2 days and collects up to 28.35" (720mm) of precipitation.

When does it snow in Saint Johnsbury?

Months with snowfall in Saint Johnsbury are January through May, October through December.

When does it snow the most in Saint Johnsbury?

January is the month with the most snowfall in Saint Johnsbury. Snow falls for 20.5 days and accumulates 12.44" (316mm) of snow.

How much does it snow in Saint Johnsbury?

In Saint Johnsbury, Vermont, during the entire year, snow falls for 98.4 days and aggregates up to 51.97" (1320mm) of snow.

When is the lowest UV index in Saint Johnsbury?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the month with the least sunshine in Saint Johnsbury?

The month with the least sunshine in Saint Johnsbury, Vermont, is February, with an average of 2.8h of sunshine.

When is Daylight Saving Time (DST) in Saint Johnsbury?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Saint Johnsbury, Vermont, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Saint Johnsbury?

May is the least humid month in Saint Johnsbury, with an average relative humidity of 76%.

What is the rainiest month in Saint Johnsbury?

The wettest months are June and October, with an average 2.87" (73mm) of rainfall.

When it does not snow in Saint Johnsbury?

June through September are months without snowfall in Saint Johnsbury, Vermont.

When are the longest days in Saint Johnsbury?

The month with the longest days is June, with an average of 15h and 29min of daylight.

What are the months with the highest UV index in Saint Johnsbury?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the warmest month in Saint Johnsbury?

With an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 54.5°F (12.5°C), July is the warmest month in Saint Johnsbury.

What are the months with the most sunshine in Saint Johnsbury?

July and August, with an average of 9.8h of sunshine, are months with the most sunshine.

What is the driest month in Saint Johnsbury?

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.97" (50mm) of precipitation.

What is the month with the shortest days in Saint Johnsbury?

The month with the shortest days is December, with an average of 8h and 55min of daylight.

Average temperature
Saint Johnsbury, VT

Average temperature - Saint Johnsbury, VT

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).

The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

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Average pressure
Saint Johnsbury, VT

Average pressure - Saint Johnsbury, VT

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Saint Johnsbury, VT

Average wind speed - Saint Johnsbury, VT

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity
Saint Johnsbury, VT

Average humidity - Saint Johnsbury, VT

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).

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Average rainfall
Saint Johnsbury, VT

Average rainfall - Saint Johnsbury, VT

The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days
Saint Johnsbury, VT

Average rainfall days - Saint Johnsbury, VT

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall
Saint Johnsbury, VT

Average snowfall - Saint Johnsbury, VT

The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Saint Johnsbury, VT

Average snowfall days - Saint Johnsbury, VT

The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Saint Johnsbury, VT

Average daylight / Average sunshine - Saint Johnsbury, VT

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days
Saint Johnsbury, VT

Average sunshine days - Saint Johnsbury, VT

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).

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Average UV index
Saint Johnsbury, VT

Average UV index - Saint Johnsbury, VT

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average visibility
Saint Johnsbury, VT

Average visibility - Saint Johnsbury, VT

The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).

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