To go to Northern Ireland, the best time to visit is in June. In this period you have a mild temperature and little precipitation. In Northern Ireland, July is the warmest month with 17°C and the most cold month is 6°C in January.
In the table below you can quickly see the average weather per month in Northern Ireland, the monthly temperature or when precipitation is highest. The monthly average climate data is based on data from the last 30 years.
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Northern Ireland has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Northern Ireland is 12° degrees and there is about 553 mm of rain in a year. It is dry for 100 days a year with an average humidity of 88% and an UV-index of 3.
What is the average Northern Ireland weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
The weather for Northern Ireland over the next 14 days will be 1°C till 7° with a couple of days chance of light rain showers or even quite a bit of rain.
The weather forecast for Northern Ireland is based on the weather in Belfast.
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