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Climate of Port Isaac
Port Isaac has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Port Isaac is 26° degrees and there is about 266 inch of rain in a year. It is dry for 93 days a year with an average humidity of 83% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 8°C and 18°C
- Night:the average nighttime temperature is between 6°C and 14°C
- Sea temperature: the sea temperature is between 9°C and 18°C
- Rain: it rains 226 days and there is a total of approximately 676 mm rainfall
- Snow: it snows an average of 4 days per year
- Sun hours: throughout the year there are 2313 sun hours
| Maximum temperature: | between 8°C and 18°C |
| Warmest month: | 18°C in July |
| Coldest month: | 8°C in February |
| Night temperature: | between 6°C and 14°C |
| Sea temperature: | between 9°C and 18°C |
| Dry days: | 135 days |
| Days with rain: | 226 days |
| Days with snow: | 4 days |
| Total rain sum: | 676 mm |
| Hours of sunshine: | 2313 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Port Isaac.
Precipitation graph
This graph shows the average amount of rainfall per month for Port Isaac.
Climate table of Port Isaac
In this climate table you can see at a glance what the average weather per month is for Port Isaac. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Port Isaac might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°F) | 48 | 47 | 50 | 53 | 57 | 62 | 64 | 64 | 62 | 58 | 53 | 50 |
| Night temp. (°F) | 43 | 42 | 43 | 45 | 49 | 53 | 57 | 58 | 55 | 53 | 48 | 45 |
| Water temp. (°F) | 51 | 50 | 49 | 52 | 59 | 60 | 65 | 64 | 61 | 59 | 56 | 53 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (inch) | 31 | 21 | 22 | 13 | 15 | 18 | 21 | 21 | 15 | 23 | 31 | 35 |
| Days with rain | 22 | 16 | 17 | 16 | 17 | 17 | 20 | 21 | 17 | 18 | 23 | 22 |
| Days with snow | 1 | 1 | 1 | - | - | - | - | - | - | - | - | 1 |
| Dry days | 8 | 11 | 13 | 14 | 14 | 13 | 11 | 10 | 13 | 13 | 7 | 8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 4 | 4 | 6 | 9 | 8 | 8 | 8 | 8 | 8 | 5 | 4 | 4 |
| Wind force (Bft) | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| UV-index | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 2 |
Best time to visit Port Isaac
The best time to visit Port Isaac in England is in July and August. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Port Isaac is 64°F in July and the lowest is 47°F in February. The water temperature is 65°F at its highest and in other months it can be 49°F.
Climate of Port Isaac by month
What is the average climate in a given month for Port Isaac? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Port Isaac weather experiences
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