Climate and monthly weather forecast
Jefferson, ME

Weather in January

January, like December, is a freezing cold winter month in Jefferson, Maine, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 18.9°F (-7.3°C). The coldest month is January, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.9°F (-7.3°C). Weather in January »

Weather in February

February, the last month of the winter in Jefferson, is also a subzero cold month, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 30.9°F (-0.6°C). In Jefferson, the average high-temperature in February is almost the same as in January - a still freezing cold 30.9°F (-0.6°C). Weather in February »

Weather in March

March, the first month of the spring in Jefferson, is a wintry month, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 26.1°F (-3.3°C). In Jefferson, the average high-temperature in March marginally rises from a freezing cold 30.9°F (-0.6°C) in February to a cold 37.6°F (3.1°C). Weather in March »

Weather in April

April is a frosty spring month in Jefferson, Maine, with an average temperature ranging between max 47.8°F (8.8°C) and min 36°F (2.2°C). In April, the average high-temperature increases from a wintry 37.6°F (3.1°C) in March to a frosty 47.8°F (8.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Jefferson, Maine, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 45.1°F (7.3°C). In Jefferson, the average high-temperature in May increases from a frosty 47.8°F (8.8°C) in April to a mild 58.3°F (14.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Jefferson, Maine, with an average temperature varying between 65.1°F (18.4°C) and 52.7°F (11.5°C). In June, the average high-temperature marginally rises from a moderate 58.3°F (14.6°C) in May to a comfortable 65.1°F (18.4°C). Weather in June »

Weather in July

July in Jefferson, Maine, is an agreeable summer month, with an average temperature fluctuating between 59.2°F (15.1°C) and 72.3°F (22.4°C). In Jefferson, the average high-temperature in July slightly increases from an enjoyable 65.1°F (18.4°C) in June to an agreeable 72.3°F (22.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Jefferson, Maine, with an average temperature ranging between max 72.7°F (22.6°C) and min 58.8°F (14.9°C). The warmest month is August, with an average high-temperature of 72.7°F (22.6°C) and an average low-temperature of 58.8°F (14.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Jefferson, Maine, with an average temperature fluctuating between 66.6°F (19.2°C) and 53.4°F (11.9°C). In September, the average high-temperature marginally drops from an agreeable 72.7°F (22.6°C) in August to a comfortable 66.6°F (19.2°C). Weather in September »

Weather in October

October, the same as September, in Jefferson, Maine, is a moderate autumn month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 56.1°F (13.4°C). In Jefferson, the average high-temperature in October decreases from an enjoyable 66.6°F (19.2°C) in September to a moderate 56.1°F (13.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Jefferson, Maine, with an average temperature fluctuating between 34.9°F (1.6°C) and 45°F (7.2°C). In November, the average high-temperature drops from a mild 56.1°F (13.4°C) in October to a frosty 45°F (7.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Jefferson, Maine, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 25.9°F (-3.4°C). In December, the average high-temperature drops from a chilly 45°F (7.2°C) in November to a cold 35.2°F (1.8°C). Weather in December »
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FAQ

What is the coldest month in Jefferson?

With an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.9°F (-7.3°C), January is the coldest month.

How much does it rain in Jefferson?

Throughout the year, in Jefferson, there are 144.1 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

When does it snow in Jefferson?

January through April, October through December are months with snowfall in Jefferson, Maine.

When does it snow the most in Jefferson?

January is the month with the most snowfall in Jefferson, Maine. Snow falls for 9.3 days and accumulates 4.37" (111mm) of snow.

How many days does it snow in Jefferson?

In Jefferson, Maine, during the entire year, snow falls for 40 days and aggregates up to 18.27" (464mm) of snow.

What is the month with the lowest UV index in Jefferson?

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

What are the months with the least sunshine in Jefferson?

The months with the least sunshine in Jefferson are February and December, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Jefferson?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Jefferson, Maine, 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.

When it does not snow in Jefferson?

In Jefferson, Maine, snow does not fall in May through September.

What is the most humid month in Jefferson?

June and July, with an average relative humidity of 83%, are most humid months in Jefferson.

When are the longest days in Jefferson?

June has the longest days of the year in Jefferson, Maine, with an average of 15h and 28min of daylight.

When is the highest UV index in Jefferson?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Jefferson.

What is the driest month in Jefferson?

The month with the least rainfall in Jefferson is July, when the rain falls for 13.7 days and typically collects 1.57" (40mm) of precipitation.

What is the warmest month in Jefferson?

With an average high-temperature of 72.7°F (22.6°C) and an average low-temperature of 58.8°F (14.9°C), August is the warmest month in Jefferson.

What month has the most sunshine in Jefferson?

The month with the most sunshine in Jefferson, Maine, is August, with an average of 10.4h of sunshine.

What is the least humid month in Jefferson?

The least humid month in Jefferson is November, with an average relative humidity of 76%.

What is the wettest month in Jefferson?

The month with the most rainfall in Jefferson, Maine, is December, when the rain falls for 11.4 days and typically aggregates up to 3.27" (83mm) of precipitation.

What is the month with the shortest days in Jefferson?

With an average of 8h and 56min of daylight, December has the shortest days of the year.

Average temperature
Jefferson, ME

Average temperature - Jefferson, ME

The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure
Jefferson, ME

Average pressure - Jefferson, ME

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Jefferson, ME

Average wind speed - Jefferson, ME

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity
Jefferson, ME

Average humidity - Jefferson, ME

The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall
Jefferson, ME

Average rainfall - Jefferson, ME

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days
Jefferson, ME

Average rainfall days - Jefferson, ME

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall
Jefferson, ME

Average snowfall - Jefferson, ME

The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Jefferson, ME

Average snowfall days - Jefferson, ME

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Jefferson, ME

Average daylight / Average sunshine - Jefferson, ME

The month with the longest days is June (Average daylight: 15h and 28min).
The month with the shortest days is December (Average daylight: 8h and 56min).

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

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Average sunshine days
Jefferson, ME

Average sunshine days - Jefferson, ME

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).

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Average UV index
Jefferson, ME

Average UV index - Jefferson, ME

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover
Jefferson, ME

Average cloud cover - Jefferson, ME

The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility
Jefferson, ME

Average visibility - Jefferson, ME

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

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