ClimateForecastDecemberJanuary >>

Rathmullan Climate by Month

Temperatures see a moderate degree of fluctuation, transitioning from pleasant conditions to cold. It also has a relatively rainy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The climate in Rathmullan experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a pleasant 19°C in July to a chilly 9°C in January. Nighttime temperatures can drop, with averages reaching 4°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Rathmullan is known for its substantial rainfall, with annual precipitation reaching 1223 mm. The wettest period in Rathmullan occurs in August, which receives around 113 mm of precipitation. During the driest month, April, Rathmullan experiences moderate rainfall, totaling approximately 90 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

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

Sunshine over the year

In Rathmullan, summer days are longer and more sunny, with daily sunshine hours peaking at 6.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours.

Monthly hours of sunshine

Data from: Derry, Ireland (18 KM, 11 Miles).

Daily hours of sunshine

Data from: Derry, Ireland (18 KM, 11 Miles).

The best time of year to visit Rathmullan in Ireland

Other facts from our historical weather data:
  • Which is the warmest month in Rathmullan?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Rathmullan?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Rathmullan?
    August tops the wettest month list with 113 mm of rainfall.
  • Which is the driest month in Rathmullan?
    April is the driest month with 90 mm of precipitation.
  • Which is the sunniest month in Rathmullan?
    May is the sunniest month with an average of 203 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 Rathmullan

    Tue   Dec 03
    6°C | -1°C
    S 22 km/h
    2.6 mm
    broken clouds and rain

    broken clouds and rain

    Wed   Dec 04
    11°C | 0°C
    S 36 km/h
    4.8 mm
    overcast and heavy rain

    overcast and heavy rain

    Thu   Dec 05
    11°C | 6°C
    NW 36 km/h
    9.4 mm
    broken clouds and rain

    broken clouds and rain