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Best time to visit Cape Cod, MA, USA

Our verdict

The best time to visit Cape Cod is May

Are you looking to travel to Cape Cod and want to find out when’s the best time to visit? You’re in the right place! The perfect time to visit Cape Cod is May due to the excellent weather conditions, and you might even find that the cost of flights and accommodation are lower than if you travel during the peak holiday seasons.

In summer, temperatures can reach as high as 24℃ (75℉) in the middle of the day. The weather at night in the winter, which is around January-time, can get down to a minimum of 1℃ (33℉).

If you’re keen to see the sights of Cape Cod during the day, the sun stays up the longest around July. On average it rains the most days in December, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

Keep reading to find all the info you need (and none of the stuff you don’t) about the best times to go to Cape Cod. By the time you get to the bottom, you’ll be ready to start booking your trip.

Warmest month

July

Least rainfall

September

Most daylight

July

Cape Cod seasons

Before you continue, it’s important to know when the seasons are in Cape Cod as they might be different to yours depending on where in the world you’re travelling from. Cape Cod is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Cape Cod

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Cape Cod for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Cape Cod climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Cape Cod for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Cape Cod in January

  • Average temperature: 6℃ (43℉)
  • Average high temperature: 8℃ (47℉)
  • Average low temperature: 3℃ (38℉)
  • Average humidity: 88%
  • Average sunny days: 9 days
  • Average rainfall: 63mm (2") over 18 days
  • Average snow days: 2 days
9 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Cape Cod in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Cape Cod in February

  • Average temperature: 6℃ (43℉)
  • Average high temperature: 9℃ (48℉)
  • Average low temperature: 3℃ (37℉)
  • Average humidity: 86%
  • Average sunny days: 8 days
  • Average rainfall: 58mm (2") over 15 days
  • Average snow days: 3 days
8 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Cape Cod in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Cape Cod in March

  • Average temperature: 7℃ (45℉)
  • Average high temperature: 11℃ (52℉)
  • Average low temperature: 4℃ (39℉)
  • Average humidity: 84%
  • Average sunny days: 12 days
  • Average rainfall: 39mm (2") over 17 days
  • Average snow days: 1 days
12 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Cape Cod in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Cape Cod in April

  • Average temperature: 10℃ (49℉)
  • Average high temperature: 14℃ (58℉)
  • Average low temperature: 5℃ (41℉)
  • Average humidity: 82%
  • Average sunny days: 12 days
  • Average rainfall: 48mm (2") over 15 days
12 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Cape Cod in April, make sure you pack a warm jacket or coat.


Cape Cod in May

  • Average temperature: 12℃ (54℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 7℃ (45℉)
  • Average humidity: 82%
  • Average sunny days: 12 days
  • Average rainfall: 38mm (2") over 16 days
12 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Cape Cod in May, make sure you pack a warm jacket or coat.


Cape Cod in June

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 20℃ (67℉)
  • Average low temperature: 10℃ (51℉)
  • Average humidity: 83%
  • Average sunny days: 12 days
  • Average rainfall: 44mm (2") over 14 days
12 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Cape Cod in June, make sure you pack a warm jacket or coat.


Cape Cod in July

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 21℃ (71℉)
  • Average low temperature: 12℃ (54℉)
  • Average humidity: 81%
  • Average sunny days: 11 days
  • Average rainfall: 27mm (1") over 16 days
11 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Cape Cod in July, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Cape Cod in August

  • Average temperature: 17℃ (62℉)
  • Average high temperature: 21℃ (70℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 82%
  • Average sunny days: 12 days
  • Average rainfall: 28mm (1") over 14 days
12 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Cape Cod in August, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Cape Cod in September

  • Average temperature: 15℃ (58℉)
  • Average high temperature: 20℃ (67℉)
  • Average low temperature: 10℃ (50℉)
  • Average humidity: 82%
  • Average sunny days: 14 days
  • Average rainfall: 23mm (1") over 12 days
14 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Cape Cod in September, make sure you pack a warm jacket or coat.

Cape Cod in October

  • Average temperature: 12℃ (54℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 9℃ (48℉)
  • Average humidity: 85%
  • Average sunny days: 11 days
  • Average rainfall: 52mm (2") over 15 days
11 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Cape Cod in October, make sure you pack a warm jacket or coat.


Cape Cod in November

  • Average temperature: 9℃ (48℉)
  • Average high temperature: 12℃ (53℉)
  • Average low temperature: 7℃ (44℉)
  • Average humidity: 88%
  • Average sunny days: 7 days
  • Average rainfall: 71mm (3") over 18 days
7 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Cape Cod in November, make sure you pack a warm jacket or coat.


Cape Cod in December

  • Average temperature: 7℃ (45℉)
  • Average high temperature: 9℃ (49℉)
  • Average low temperature: 5℃ (40℉)
  • Average humidity: 89%
  • Average sunny days: 10 days
  • Average rainfall: 76mm (3") over 18 days
  • Average snow days: 2 days
10 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Cape Cod in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Cape Cod is usually July, where temperatures tend to rise to around 21℃ (71℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Cape Cod is generally around September. The dry season often coincides with cooler weather, so you should check the temperatures in September first to make sure it’s still a good time to go.
The rainiest time of year in Cape Cod is generally around December, although the wetter season can sometimes extend a few months either side of December too.
If you want to get the most out of your time visiting Cape Cod, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Cape Cod map