Climate ▸Forecast ▸January ▸February ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Randalstown Weather and Climate: A Comprehensive Guide

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 maximum day and minimum 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, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

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. Visit our detailed sunshine hours page for more information.

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 ranges from 7°C in February to 13°C in August.

Water temperature over the year

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

Forecast for Randalstown

Wed   Jan 15
12°C | 5°C
S 5 m/s
clear and no rain

clear and no rain

Thu   Jan 16
9°C | 4°C
S 6 m/s
broken clouds and no rain

broken clouds and no rain

Fri   Jan 17
11°C | 6°C
S 6 m/s
broken clouds and no rain

broken clouds and no rain

Select a Month of Interest

Check the conditions for any month of the year.

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.