The best times to visit Cape Cod for ideal weather are

May 14th to October 14th

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



Other Cape Cod Travel Info

Weather in Cape Cod


Average temperatures in Cape Cod vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 32nd 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 Cape Cod, 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 81.8°F (27.7°C) with temperatures rarely dropping below 66.7°F (19.3°C) at night.

Cape Cod Temperatures (Fahrenheit)


Cape Cod 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.

Cape Cod Perceived Temperature (F)


Cape Cod Perceived Temperature (C)



Average Cape Cod 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 39.1 31.3 23.2
Feb 39.5 31.3 23.3
Mar 46.1 37.9 30.2
Apr 55.9 47.3 39
May 66.1 57.1 49
Jun 73.5 65.1 57.4
Jul 80.5 72.7 65.4
Aug 78.9 71 63
Sep 73.1 64.8 56
Oct 63.5 55.4 46.7
Nov 53.7 45.5 37.1
Dec 46.5 38.5 30.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 3.9 -0.4 -4.9
Feb 4.2 -0.4 -4.8
Mar 7.8 3.3 -1
Apr 13.3 8.5 3.9
May 18.9 13.9 9.4
Jun 23.1 18.4 14.1
Jul 26.9 22.6 18.6
Aug 26.1 21.7 17.2
Sep 22.8 18.2 13.3
Oct 17.5 13 8.2
Nov 12.1 7.5 2.8
Dec 8.1 3.6 -0.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Cape Cod are May, July, and then September. 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 December with an average of 3 days of significant precipitation the week of December 24th.

When can you find snow in Cape Cod? Weather stations report no annual snow. 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 Cape Cod.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 24% 0 3.3
Feb 26% 0 3.3
Mar 27% 0 4.2
Apr 24% 0 4.1
May 15% 0 3.1
Jun 24% 0 3.6
Jul 16% 0 3.6
Aug 18% 0 3.3
Sep 17% 0 4.3
Oct 24% 0 4.7
Nov 24% 0 4.5
Dec 33% 0 5.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 24 0 8.4
Feb 26 0 8.4
Mar 27 0 10.7
Apr 24 0 10.4
May 15 0 7.9
Jun 24 0 9.1
Jul 16 0 9.1
Aug 18 0 8.4
Sep 17 0 10.9
Oct 24 0 11.9
Nov 24 0 11.4
Dec 33 0 13


Humidity and Wind

Cape Cod has some very humid months, with other comfortably humid months. The least humid month is February (57% relative humidity), and the most humid month is July (71.1%).

Wind in Cape Cod is usually moderate. The windiest month is March, followed by February and April. March’s average wind speed of around 8.9 knots (10.2 MPH or 16.4 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 early March where average top sustained speeds reach 16.6 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 8.1 Gentle breeze 15.3 Significant breeze
Feb 8.4 Gentle breeze 15.7 Significant breeze
Mar 8.9 Gentle breeze 16 Significant breeze
Apr 8.3 Gentle breeze 15.4 Significant breeze
May 7.8 Gentle breeze 14.1 Significant breeze
Jun 7.3 Gentle breeze 13.6 Significant breeze
Jul 7.2 Gentle breeze 13.4 Significant breeze
Aug 6.5 Light breeze 12.7 Significant breeze
Sep 6.8 Light breeze 13.1 Significant breeze
Oct 7.4 Gentle breeze 14.3 Significant breeze
Nov 7.9 Gentle breeze 14.9 Significant breeze
Dec 7.9 Gentle breeze 14.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 59%
Feb 57%
Mar 57.9%
Apr 59.6%
May 65.6%
Jun 70.1%
Jul 71.1%
Aug 70.3%
Sep 71.1%
Oct 67.6%
Nov 63.7%
Dec 64.9%


Is it Safe to Travel to Cape Cod?

Our best data indicates this area is generally safe. As of Oct 07, 2019 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 Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Cape Cod, MA, US is July, followed by August and June. 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 Cape Cod in December. 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 51.6 in December means 51.6% of the tourists vs. July.



Overall Cape Cod Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.2°F (21.8°C) and 40.5°F (4.7°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 8 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in Cape Cod, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 76.8°F (24.9°C) and 50.2°F (10.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Cape Cod to be enjoyable for warm weather travelers. The average high during this season is between 47.9°F (8.8°C) and 35.5°F (1.9°C). On average, it rains or snows a fair amount: 7 to 10 times per month. These times of year are the slowest with tourists.


Best Times to Travelthe United States › Cape Cod, MA, US