Climate and monthly weather forecast
Wiscasset, ME

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Weather in January

January, like December, is another subzero cold winter month in Wiscasset, Maine, with an average temperature varying between 29.7°F (-1.3°C) and 18°F (-7.8°C). January, on average, is the coldest month, registering a high temperature of 29.7°F (-1.3°C) and a low of 18°F (-7.8°C). Weather in January »

Weather in February

February, the last month of the winter in Wiscasset, is also a subzero cold month, with an average temperature ranging between min 19°F (-7.2°C) and max 31.5°F (-0.3°C). Wiscasset notes an average high-temperature of a still freezing cold 31.5°F (-0.3°C) in February, displaying minor variation from January. Weather in February »

Weather in March

March, the first month of the spring in Wiscasset, is a wintry month, with an average temperature ranging between min 26.1°F (-3.3°C) and max 37.9°F (3.3°C). As Wiscasset welcomes March, the average high-temperature displays a subtle shift, adjusting from a subzero cold 31.5°F (-0.3°C) in February to a cold 37.9°F (3.3°C). Weather in March »

Weather in April

April is a frosty spring month in Wiscasset, Maine, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 49.1°F (9.5°C). The beginning of April signals a rise in the average high-temperature, moving from an icy 37.9°F (3.3°C) in March to a chilly 49.1°F (9.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Wiscasset, Maine, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 59.4°F (15.2°C). May's onset brings a temperature rise, moving from a chilly 49.1°F (9.5°C) in April to a moderate 59.4°F (15.2°C). Weather in May »

Weather in June

June, the first month of the summer in Wiscasset, is a refreshing month, with an average temperature ranging between max 66.7°F (19.3°C) and min 52.7°F (11.5°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a mild 59.4°F (15.2°C) to a still refreshing 66.7°F (19.3°C). Weather in June »

Weather in July

July is a warm summer month in Wiscasset, Maine, with an average temperature ranging between min 59.5°F (15.3°C) and max 74.1°F (23.4°C). The warmest months are July and August, with an average high-temperature of 74.1°F (23.4°C). Weather in July »

Weather in August

August, the last month of the summer in Wiscasset, is another warm month, with an average temperature varying between 74.1°F (23.4°C) and 59.2°F (15.1°C). The warmest period is usually observed in July and August, with the average high-temperature peaking at 74.1°F (23.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Wiscasset, is still a comfortable month, with an average temperature fluctuating between 67.5°F (19.7°C) and 53.6°F (12°C). As August transitions into September, Wiscasset sees a gentle drop in the average high-temperature, transitioning from a warm 74.1°F (23.4°C) to a refreshing 67.5°F (19.7°C). Weather in September »

Weather in October

October, the same as September, in Wiscasset, Maine, is another mild autumn month, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 45°F (7.2°C). In Wiscasset, the beginning of October is marked by a lowered average high-temperature, shifting from September's comfortable 67.5°F (19.7°C) to a still refreshing 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Wiscasset, Maine, with an average temperature ranging between max 45.5°F (7.5°C) and min 34.5°F (1.4°C). A decrease in the average high-temperature is observed during November, shifting from a moderate 56.3°F (13.5°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Wiscasset, Maine, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 35.2°F (1.8°C). The transition into December indicates a reduction in the average high-temperature, down to a cold 35.2°F (1.8°C) from November's chilly 45.5°F (7.5°C). Weather in December »
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Wiscasset's coldest temperatures are experienced in January, with average high temperatures of 29.7°F (-1.3°C) and lows of 18°F (-7.8°C).

How much does it rain?

In Wiscasset, during the entire year, the rain falls for 142.1 days and collects up to 30.51" (775mm) of precipitation.

When does it snow?

Months with snowfall are January through May, November and December.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 9.2 days and accumulates 5.28" (134mm) of snow.

How much does it snow?

Throughout the year, there are 40 snowfall days, and 20.08" (510mm) of snow is accumulated.

When is the lowest UV index?

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

What are the months with the least sunshine?

February and December, with an average of 4.6h of sunshine, are months with the least 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 most humid month?

The months with the highest humidity are June and July, with an average relative humidity of 82%.

When it does not snow?

In Wiscasset, snow does not fall in June through October.

When are the longest days?

June has the longest days of the year, with an average of 15h and 24min of daylight.

What is the hottest time of year?

In Wiscasset, July and August are characterised by the peak of temperatures, recording an average high of 74.1°F (23.4°C).

When is the highest UV index?

The month with the highest UV index in Wiscasset is July, with an average maximum UV index of 6.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.5" (38mm) of precipitation.

What is the least humid month?

November is the least humid month, with an average relative humidity of 76%.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 10.8 days and typically aggregates up to 3.5" (89mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Wiscasset, ME

Average temperature - Wiscasset, ME

The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure
Wiscasset, ME

Average pressure - Wiscasset, ME

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

Average wind speed
Wiscasset, ME

Average wind speed - Wiscasset, ME

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity
Wiscasset, ME

Average humidity - Wiscasset, ME

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).

Average rainfall
Wiscasset, ME

Average rainfall - Wiscasset, ME

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days
Wiscasset, ME

Average rainfall days - Wiscasset, ME

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.6 days).

Average snowfall
Wiscasset, ME

Average snowfall - Wiscasset, ME

The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Wiscasset, ME

Average snowfall days - Wiscasset, ME

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Wiscasset, ME

Average daylight / Average sunshine - Wiscasset, ME

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days
Wiscasset, ME

Average sunshine days - Wiscasset, ME

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.7 days).

Average UV index
Wiscasset, ME

Average UV index - Wiscasset, ME

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

Average visibility
Wiscasset, ME

Average visibility - Wiscasset, ME

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

Wiscasset, Maine, USA

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