ClimateForecastDecemberJanuary >>

Randalstown Climate by Month

The weather in Randalstown 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 a reasonable amount of rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

The climate in Randalstown experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a pleasant 20°C in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C. At night, expect cooler temperatures, averaging 3°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Randalstown receives a reasonable amount of rain/snowfall, with an annual precipitation of 986 mm. Despite minor fluctuations, Randalstown enjoys fairly consistent precipitation throughout the year. In August, you can expect around 94 mm of precipitation, while in March, Randalstown receives about 70 mm.

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

Sunshine over the year

Randalstown can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.

Monthly hours of sunshine

Data from: Belfast, Ireland (12 KM, 8 Miles).

Daily hours of sunshine

Data from: Belfast, Ireland (12 KM, 8 Miles).

Average water temperature

The mean water temperature over the year in Randalstown ranges from 7°C in February to 13°C in August.

Water temperature over the year

Data from: Belfast, Ireland (12 KM, 8 Miles).

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

Other facts from our historical weather data:
  • Which is the warmest month in Randalstown?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Randalstown?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Randalstown?
    August tops the wettest month list with 94 mm of rainfall.
  • Which is the driest month in Randalstown?
    March is the driest month with 70 mm of precipitation.
  • Which is the sunniest month in Randalstown?
    May is the sunniest month with an average of 184 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 Randalstown

    Tue   Dec 03
    7°C | 0°C
    SW 18 km/h
    0.3 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Wed   Dec 04
    12°C | 2°C
    S 36 km/h
    3.7 mm
    overcast and rain

    overcast and rain

    Thu   Dec 05
    11°C | 5°C
    NW 32 km/h
    3.4 mm
    broken clouds and rain

    broken clouds and rain