ClimateForecastDecemberJanuary >>

Port William Climate by Month

Temperatures see a moderate degree of fluctuation, transitioning from mild conditions to cold. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The weather in Port William changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures range from a moderate 17°C in August, the warmest time of the year, to a chilly 9°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

Port William is known for its substantial rainfall, with annual precipitation reaching 1369 mm. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 155 mm of precipitation, spread over 20 rainy days.

In contrast, May experiences a drier climate, with about 76 mm of rainfall spread across 15 rainy days.

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

The best time of year to visit Port William in the United Kingdom

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Port William?
    Most rainfall (rainy season) is seen in October and November.
  • Which is the warmest month in Port William?
    August has an average maximum temperature of 17°C and is the warmest month of the year.
  • Which is the coldest month in Port William?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Port William?
    November tops the wettest month list with 155 mm of rainfall.
  • Which is the driest month in Port William?
    May is the driest month with 76 mm of precipitation.

  • 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 Port William

    Sat   Dec 14
    11°C | 5°C
    SW 29 km/h
    1.6 mm
    overcast and  chance of rain

    overcast and chance of rain

    Sun   Dec 15
    12°C | 10°C
    W 36 km/h
    0.4 mm
    overcast and  chance of slight rain

    overcast and chance of slight rain

    Mon   Dec 16
    12°C | 9°C
    SW 36 km/h
    broken clouds and no rain

    broken clouds and no rain