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Best time to visit Port Isaac, England

Our verdict

The best time to visit Port Isaac is May-June

While Port Isaac is a popular destination to visit all year round, May-June is the ideal time to go due to a number of factors such as the climate, cost of travel and accommodation, as well as avoiding peak holiday periods.

In the summer months, temperatures can reach as high as 20℃ (68℉) in Port Isaac. The average low temperatures in winter float around 6℃ (43℉), while the coldest it gets down to is about 4℃ (40℉).

If you’re keen to see the sights of Port Isaac during the day, the sun stays up the longest around July. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of Port Isaac in November. Head over there in May instead if you want to increase your chances of not being rained on.

Continue reading to find out loads more about when to travel to Port Isaac, then use the handy tools below to search for the best flight and hotel options that are right for you.

Warmest month

July

Least rainfall

May

Most daylight

July

Port Isaac seasons

Before you continue, it’s important to know when the seasons are in Port Isaac as they might be different to yours depending on where in the world you’re travelling from. Port Isaac 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 Port Isaac

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 Port Isaac 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.

Port Isaac 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 Port Isaac 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

Port Isaac in January

  • Average temperature: 8℃ (46℉)
  • Average high temperature: 9℃ (48℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 82%
  • Average sunny days: 9 days
  • Average rainfall: 61mm (2") over 19 days
9 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Port Isaac in January, make sure you pack a warm jacket or coat.


Port Isaac in February

  • Average temperature: 7℃ (45℉)
  • Average high temperature: 9℃ (48℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 81%
  • Average sunny days: 10 days
  • Average rainfall: 54mm (2") over 15 days
  • Average snow days: 1 days
10 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Port Isaac in February, make sure you pack a warm jacket or coat.


Port Isaac in March

  • Average temperature: 8℃ (47℉)
  • Average high temperature: 10℃ (50℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 81%
  • Average sunny days: 13 days
  • Average rainfall: 44mm (2") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Port Isaac in March, make sure you pack a warm jacket or coat.


Port Isaac in April

  • Average temperature: 10℃ (49℉)
  • Average high temperature: 12℃ (53℉)
  • Average low temperature: 7℃ (45℉)
  • Average humidity: 81%
  • Average sunny days: 13 days
  • Average rainfall: 30mm (1") over 14 days
13 days
of pure sunshine
14 days
of showers or rain

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


Port Isaac in May

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 14℃ (57℉)
  • Average low temperature: 10℃ (49℉)
  • Average humidity: 83%
  • Average sunny days: 15 days
  • Average rainfall: 29mm (1") over 14 days
15 days
of pure sunshine
14 days
of showers or rain

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


Port Isaac in June

  • Average temperature: 14℃ (58℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 12℃ (54℉)
  • Average humidity: 84%
  • Average sunny days: 14 days
  • Average rainfall: 37mm (1") over 14 days
14 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Port Isaac in June, make sure you pack a light jumper or hoodie.


Port Isaac in July

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 18℃ (64℉)
  • Average low temperature: 14℃ (58℉)
  • Average humidity: 84%
  • Average sunny days: 11 days
  • Average rainfall: 38mm (2") over 16 days
11 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Port Isaac in July, make sure you pack a light jumper or hoodie.


Port Isaac in August

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 18℃ (64℉)
  • Average low temperature: 15℃ (58℉)
  • Average humidity: 84%
  • Average sunny days: 10 days
  • Average rainfall: 40mm (2") over 17 days
10 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Port Isaac in August, make sure you pack a light jumper or hoodie.


Port Isaac in September

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 13℃ (56℉)
  • Average humidity: 83%
  • Average sunny days: 12 days
  • Average rainfall: 40mm (2") over 14 days
12 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Port Isaac in September, make sure you pack a light jumper or hoodie.

Port Isaac in October

  • Average temperature: 13℃ (56℉)
  • Average high temperature: 15℃ (58℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 83%
  • Average sunny days: 11 days
  • Average rainfall: 58mm (2") over 16 days
11 days
of pure sunshine
16 days
of showers or rain

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


Port Isaac in November

  • Average temperature: 11℃ (51℉)
  • Average high temperature: 12℃ (53℉)
  • Average low temperature: 9℃ (49℉)
  • Average humidity: 81%
  • Average sunny days: 7 days
  • Average rainfall: 78mm (3") over 21 days
7 days
of pure sunshine
21 days
of showers or rain

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


Port Isaac in December

  • Average temperature: 9℃ (48℉)
  • Average high temperature: 10℃ (50℉)
  • Average low temperature: 8℃ (46℉)
  • Average humidity: 82%
  • Average sunny days: 7 days
  • Average rainfall: 72mm (3") over 20 days
7 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Port Isaac in December, make sure you pack a warm jacket or coat.


Top FAQs

The hottest month of the year in Port Isaac is usually July, where temperatures tend to rise to around 18℃ (64℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Port Isaac is generally around May. The dry season often coincides with cooler weather, so you should check the temperatures in May first to make sure it’s still a good time to go.
The rainiest time of year in Port Isaac is generally around November, although the wetter season can sometimes extend a few months either side of November too.
If you want to get the most out of your time visiting Port Isaac, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Port Isaac map