Monthly weather forecast and climate
Sinclair, ME

January, like December, is a freezing cold winter month in Sinclair, Maine, with average temperature varying between 2.8°F (-16.2°C) and 18°F (-7.8°C). The coldest month is January, with an average high-temperature of 18°F (-7.8°C) and an average low-temperature of 2.8°F (-16.2°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Sinclair, Maine, with average temperature fluctuating between 20.3°F (-6.5°C) and 3.6°F (-15.8°C). In February, the average high-temperature is relatively the same as in January - a still subzero cold 20.3°F (-6.5°C). Weather in February »

March, the first month of the spring, in Sinclair, is still a freezing cold month, with average temperature varying between 11.7°F (-11.3°C) and 27.7°F (-2.4°C). In Sinclair, Maine, the average high-temperature slightly increases, from 20.3°F (-6.5°C) in February, to a still subzero cold 27.7°F (-2.4°C). Weather in March »

April in Sinclair, Maine, is a wintry spring month, with average temperature ranging between min 26.1°F (-3.3°C) and max 40.8°F (4.9°C). In April, the average high-temperature increases, from a freezing cold 27.7°F (-2.4°C) in March, to a cold 40.8°F (4.9°C). Weather in April »

The last month of the spring, May, is a mild month in Sinclair, Maine, with average temperature fluctuating between 58.8°F (14.9°C) and 39.6°F (4.2°C). In Sinclair, the average high-temperature soars, from a cold 40.8°F (4.9°C) in April, to a moderate 58.8°F (14.9°C). Weather in May »

June, the first month of the summer, in Sinclair, is an enjoyable month, with average temperature ranging between max 67.5°F (19.7°C) and min 47.3°F (8.5°C). In Sinclair, the average high-temperature slightly increases, from a moderate 58.8°F (14.9°C) in May, to an enjoyable 67.5°F (19.7°C). Weather in June »

July is a moderately hot summer month in Sinclair, Maine, with average temperature varying between 53.6°F (12°C) and 74.3°F (23.5°C). July is the warmest month, with an average high-temperature of 74.3°F (23.5°C) and an average low-temperature of 53.6°F (12°C). Weather in July »

August, the last month of the summer, in Sinclair, is another pleasant month, with average temperature varying between 52.7°F (11.5°C) and 72.3°F (22.4°C). In Sinclair, the average high-temperature is essentially the same as in July - a pleasant 72.3°F (22.4°C). Weather in August »

September, the first month of the autumn, in Sinclair, is also an enjoyable month, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 45.1°F (7.3°C). In September, the average high-temperature marginally drops, from a pleasant 72.3°F (22.4°C) in August, to a comfortable 63.5°F (17.5°C). Weather in September »

October, like September, is another chilly autumn month in Sinclair, Maine, with average temperature varying between 49.5°F (9.7°C) and 36°F (2.2°C). In October, the average high-temperature decreases, from a comfortable 63.5°F (17.5°C) in September, to a frosty 49.5°F (9.7°C). Weather in October »

November, the last month of the autumn, in Sinclair, is also a wintry month, with average temperature ranging between max 36.5°F (2.5°C) and min 25.2°F (-3.8°C). In Sinclair, Maine, the average high-temperature drops, from a frosty 49.5°F (9.7°C) in October, to a cold 36.5°F (2.5°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Sinclair, Maine, with temperature in the range of an average low of 12.2°F (-11°C) and an average high of 23.9°F (-4.5°C). In Sinclair, the average high-temperature decreases, from a cold 36.5°F (2.5°C) in November, to a freezing cold 23.9°F (-4.5°C). Weather in December »

What is the coldest month in Sinclair?

January is the coldest month, with an average high-temperature of 18°F (-7.8°C) and an average low-temperature of 2.8°F (-16.2°C).

How many days does it rain in Sinclair?

Throughout the year, there are 140.8 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

When does it snow in Sinclair?

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

How many days does it snow in Sinclair?

In Sinclair, Maine, during the entire year, snow falls for 107.8 days, and aggregates up to 71.34" (1812mm) of snow.

When does it snow the most in Sinclair?

January is the month with the most snowfall in Sinclair, Maine. Snow falls for 21.3 days and accumulates 14.92" (379mm) of snow.

What are the months with the lowest UV index in Sinclair?

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

What is the driest month in Sinclair?

February is the month with the least rainfall. Rain falls for 4.3 days and accumulates 1.97" (50mm) of precipitation.

What is the month with the least sunshine in Sinclair?

With an average of 2.1h of sunshine, February has the least sunshine of the year in Sinclair, Maine.

What is the most humid month in Sinclair?

With an average relative humidity of 94%, March is the most humid month in Sinclair, Maine.

What is the rainiest month in Sinclair?

The month with the most rainfall is April when the rain falls for 14 days and typically aggregates up to 2.95" (75mm) of precipitation.

What is the least humid month in Sinclair?

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

When it does not snow in Sinclair?

In Sinclair, Maine, snow does not fall in June through September.

When are the longest days in Sinclair?

With an average of 15.9h of daylight, June has the longest days of the year.

What are the months with the highest UV index in Sinclair?

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

What is the warmest month in Sinclair?

July is the warmest month in Sinclair, Maine, with an average high-temperature of 74.3°F (23.5°C) and an average low-temperature of 53.6°F (12°C).

What month has the most sunshine in Sinclair?

With an average of 9.5h of sunshine, August has the most sunshine of the year in Sinclair.

What is the month with the shortest days in Sinclair?

With an average of 8.6h of daylight, December has the shortest days of the year in Sinclair.
Average pressure - Sinclair, ME

Months with the highest atmospheric pressure are March, September and November (30.01").
The month with the lowest atmospheric pressure is June (29.88").

Average wind speed - Sinclair, ME

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average rainfall - Sinclair, ME

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.97").

Average rainfall days - Sinclair, ME

The month with the highest number of rainy days is July (17.1 days).
Months with the least rainy days are January and February (4.3 days).

Average snowfall - Sinclair, ME
Average snowfall days - Sinclair, ME

The month with the highest number of snowfall days is January (21.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Sinclair, ME

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

The month with the most sunshine is August (Average sunshine: 9.5h).
The month with the least sunshine is February (Average sunshine: 2.1h).

Average sunshine days - Sinclair, ME

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is April (7.9 days).

Average UV index - Sinclair, ME
Average visibility - Sinclair, ME

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