The best times to visit Maine for ideal weather are

May 21st to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Maine Travel Info

Weather in Maine


Average temperatures in Maine vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 39th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Maine, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 76.9°F (24.9°C) with temperatures rarely dropping below 58.7°F (14.8°C) at night.

Maine Temperatures (Fahrenheit)


Maine Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Maine Perceived Temperature (F)


Maine Perceived Temperature (C)



Average Maine Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 30.8 21.8 13.2
Feb 32.9 23.9 15.2
Mar 41.8 32.3 23.7
Apr 53.2 43.2 34.6
May 63.5 53 44
Jun 70.1 60.3 51.9
Jul 76.3 66.5 57.9
Aug 75.4 65.4 56.9
Sep 69.2 59.1 50.4
Oct 57.8 48.9 41.2
Nov 46.9 38.6 31.3
Dec 36.1 28.3 21.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -0.7 -5.7 -10.4
Feb 0.5 -4.5 -9.3
Mar 5.4 0.2 -4.6
Apr 11.8 6.2 1.4
May 17.5 11.7 6.7
Jun 21.2 15.7 11.1
Jul 24.6 19.2 14.4
Aug 24.1 18.6 13.8
Sep 20.7 15.1 10.2
Oct 14.3 9.4 5.1
Nov 8.3 3.7 -0.4
Dec 2.3 -2.1 -6.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Maine are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid to late September. For example, on the week of September 17th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late June with an average of 2 days of significant precipitation the week of June 25th.

When can you find snow in Maine? Weather stations report very large amounts of snow likely to be deepest around February, especially close to mid February. The best time to ski (if at all) in Maine is often around around February 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Maine.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Maine (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 11% 8.5 1.4
Feb 12% 12.4 1.4
Mar 12% 11.2 1.9
Apr 15% 6.6 2.2
May 16% 1.2 2.1
Jun 19% 0 3.3
Jul 16% 0 2.6
Aug 14% 0 2.5
Sep 13% 0 2.3
Oct 16% 3.2 3
Nov 13% 3.4 2.3
Dec 18% 6 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 11 21.6 3.6
Feb 12 31.5 3.6
Mar 12 28.4 4.8
Apr 15 16.8 5.6
May 16 3 5.3
Jun 19 0 8.4
Jul 16 0 6.6
Aug 14 0 6.4
Sep 13 0 5.8
Oct 16 8.1 7.6
Nov 13 8.6 5.8
Dec 18 15.2 6.6


Humidity and Wind

Maine has some high humidity months, with other comfortably humid months. The least humid month is March (52.3% relative humidity), and the most humid month is August (69.3%).

Wind in Maine is usually calm. The windiest month is March, followed by December and February. March’s average wind speed of around 7.4 knots (8.5 MPH or 13.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 15 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Maine.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.9 Light breeze 14.1 Significant breeze
Feb 7 Gentle breeze 14.4 Significant breeze
Mar 7.4 Gentle breeze 14.8 Significant breeze
Apr 6.7 Light breeze 14 Significant breeze
May 6 Light breeze 12.9 Significant breeze
Jun 5.2 Light breeze 11.5 Significant breeze
Jul 4.8 Light breeze 11 Significant breeze
Aug 4.6 Light breeze 10.8 Gentle breeze
Sep 5.1 Light breeze 11.3 Significant breeze
Oct 5.9 Light breeze 12.4 Significant breeze
Nov 6.3 Light breeze 13 Significant breeze
Dec 7.1 Gentle breeze 14.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 57.7%
Feb 55.1%
Mar 52.3%
Apr 53.3%
May 58.3%
Jun 66.1%
Jul 68.4%
Aug 69.3%
Sep 68.6%
Oct 65.7%
Nov 63.3%
Dec 67%


Is it Safe to Travel to Maine?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Maine, United States is June, followed by August and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Maine in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 56.3 in November means 56.3% of the tourists vs. June.



Overall Maine Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.3°F (19.6°C) and 35.1°F (1.7°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 5 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in Maine, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 73.6°F (23.1°C) and 42.1°F (5.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 5 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Maine to be enjoyable for warm weather travelers. The average high during this season is between 38.8°F (3.8°C) and 27.4°F (-2.6°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are the second busiest with tourists.


Best Times to Travelthe United States › Maine, United States