ClimateForecastDecemberJanuary >>

Portmellon Climate by Month

The weather in Portmellon sees moderate temperature fluctuations over the course of a year. Temperatures can be pleasant at the high end to roughly cold at the low end. It receives mid-range precipitation levels. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Portmellon, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures range from a pleasant 20°C in August, the warmest time of the year, to a chilly 10°C during cooler months like February. At night, temperatures typically average around 5°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Portmellon receives a reasonable amount of rainfall, with an annual precipitation of 965 mm. Year-round, Portmellon has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 98 mm, and the driest month, September, with 66 mm, is minimal.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Portmellon. While May receives considerable daily sunshine with up to 7.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.2 hours of sunlight per day.

Monthly hours of sunshine

Data from: Newquay, the United Kingdom (27 KM, 16 Miles).

Daily hours of sunshine

Data from: Newquay, the United Kingdom (27 KM, 16 Miles).

The best time of year to visit Portmellon in the United Kingdom

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Portmellon?
    August has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Portmellon?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Portmellon?
    December tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in Portmellon?
    September is the driest month with 66 mm of precipitation.
  • Which is the sunniest month in Portmellon?
    May is the sunniest month with an average of 222 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Portmellon

    Sun   Dec 15
    12°C | 10°C
    W 25 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Dec 16
    11°C | 9°C
    SW 22 km/h
    broken clouds and no rain

    broken clouds and no rain

    Tue   Dec 17
    14°C | 10°C
    S 43 km/h
    2.8 mm
    overcast and rain

    overcast and rain