Climate and monthly weather forecast
Greenville, ME

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Weather in January

January, the same as December, in Greenville, Maine, is another subzero cold winter month, with an average temperature varying between 20.8°F (-6.2°C) and 7.9°F (-13.4°C). January is the coldest month, with an average high-temperature of 20.8°F (-6.2°C) and an average low-temperature of 7.9°F (-13.4°C). Weather in January »

Weather in February

February, the last month of the winter in Greenville, is another freezing cold month, with an average temperature fluctuating between 23°F (-5°C) and 9.1°F (-12.7°C). Greenville marks the start of February with an average high-temperature of a still subzero cold 23°F (-5°C), hinting at a slight fluctuation from January's 20.8°F (-6.2°C). Weather in February »

Weather in March

The first month of the spring, March, is also a subzero cold month in Greenville, Maine, with an average temperature ranging between min 17.4°F (-8.1°C) and max 31.1°F (-0.5°C). With the onset of March, Greenville observes a minor temperature ascent, with the average high-temperature adjusting from February's subzero cold 23°F (-5°C) to a still freezing cold 31.1°F (-0.5°C). Weather in March »

Weather in April

April in Greenville, Maine, is a chilly spring month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 44.6°F (7°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's subzero cold 31.1°F (-0.5°C) to a chilly 44.6°F (7°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Greenville, Maine, with an average temperature ranging between max 59.7°F (15.4°C) and min 41°F (5°C). The arrival of May is marked by a notable increase in high-temperatures, climbing from a frosty 44.6°F (7°C) in April to a moderate 59.7°F (15.4°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Greenville, Maine, with an average temperature varying between 48.2°F (9°C) and 67.6°F (19.8°C). Observing a slight rise in June, the average high-temperature shifts from May's moderate 59.7°F (15.4°C) to an enjoyable 67.6°F (19.8°C). Weather in June »

Weather in July

July is a warm summer month in Greenville, Maine, with an average temperature varying between 74.8°F (23.8°C) and 54.5°F (12.5°C). In Greenville, the month of July is known for its highest average temperatures, reaching a high of 74.8°F (23.8°C) and a low of 54.5°F (12.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Greenville, Maine, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 53.1°F (11.7°C). August records an average high-temperature of an agreeable 73°F (22.8°C), indicating a minor variation from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Greenville, Maine, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 65.5°F (18.6°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from an agreeable 73°F (22.8°C) in August to a refreshing 65.5°F (18.6°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Greenville, Maine, with an average temperature fluctuating between 51.3°F (10.7°C) and 37.4°F (3°C). Welcoming October, Greenville observes a shift in the average high-temperature, falling from September's enjoyable 65.5°F (18.6°C) to a fresh 51.3°F (10.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Greenville, is also an icy month, with an average temperature ranging between max 38.1°F (3.4°C) and min 26.6°F (-3°C). With the onset of November, Greenville experiences a modest temperature adjustment, with the average high-temperature receding from a cool 51.3°F (10.7°C) in October to an icy 38.1°F (3.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Greenville, Maine, with an average temperature fluctuating between 16.3°F (-8.7°C) and 26.1°F (-3.3°C). The onset of December is marked by a decrease in temperature, transitioning from a wintry 38.1°F (3.4°C) in November to a subzero cold 26.1°F (-3.3°C). Weather in December »
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

The coldest temperatures occur during January, when averages reach a peak of 20.8°F (-6.2°C) and a low of 7.9°F (-13.4°C).

How much does it rain?

In Greenville, during the entire year, the rain falls for 147.1 days and collects up to 34.65" (880mm) of precipitation.

When does it snow?

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

When does it snow the most?

The month with the most snowfall in Greenville is January, when snow falls for 19.3 days and typically aggregates up to 14.33" (364mm) of snow.

How many days does it snow?

Throughout the year, there are 104.3 snowfall days, and 76.26" (1937mm) of snow is accumulated.

What is the month with the lowest UV index?

The months with the lowest UV index in Greenville are January through March, November and December, with an average maximum UV index of 1.

What is the most humid month?

The most humid month is February, with an average relative humidity of 90%.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 4.4 days and typically collects 2.24" (57mm) of precipitation.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 2.6h 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 wettest month?

The month with the most rainfall is April, when the rain falls for 14.4 days and typically aggregates up to 3.54" (90mm) of precipitation.

What is the least humid month?

May is the least humid month, with an average relative humidity of 77%.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 36min of daylight, June has the longest days of the year.

What is the warmest month?

July tends to be the warmest month, with temperatures averaging a daily high of 74.8°F (23.8°C) and a low of 54.5°F (12.5°C).

What is the month with the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 5.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 9.2h of sunshine.

What is the month with the shortest days in Greenville?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

Average temperature
Greenville, ME

Average temperature - Greenville, ME

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (20.8°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 (7.9°F).

Average pressure
Greenville, ME

Average pressure - Greenville, ME

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Greenville, ME

Average wind speed - Greenville, ME

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
Greenville, ME

Average humidity - Greenville, ME

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).

Average rainfall
Greenville, ME

Average rainfall - Greenville, ME

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is February (2.24").

Average rainfall days
Greenville, ME

Average rainfall days - Greenville, ME

The months with the highest number of rainy days are July and August (17.8 days).
The month with the least rainy days is February (4.4 days).

Average snowfall
Greenville, ME

Average snowfall - Greenville, ME

The month with the highest snowfall is January (14.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Greenville, ME

Average snowfall days - Greenville, ME

The month with the highest number of snowfall days is February (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Greenville, ME

Average daylight / Average sunshine - Greenville, ME

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days
Greenville, ME

Average sunshine days - Greenville, ME

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (8.1 days).

Average UV index
Greenville, ME

Average UV index - Greenville, ME

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

Average visibility
Greenville, ME

Average visibility - Greenville, ME

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

Greenville, Maine, USA

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