Best year time to visit Northern Ireland

General weather information about Northern Ireland

Average annual temperature is 10.8 °C

Absolute maximum temperature: 26.0 °C

Absolute minimum temperature: -3.8 °C

Number of sunny days: 77 days

Number of rainy days: 287 days

Number of snow days: 1 day

Look at detailed online map of Northern Ireland

* Weather data for Northern Ireland United Kingdom is based on climate observations for 2026 year

Northern Ireland air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.813.214.716.921.225.721.423.126.021.313.512.8
Average daytime temperature (°C)7.89.79.612.216.320.817.618.518.214.29.59.0
Average temperature (°C)5.77.56.78.912.617.014.815.414.911.67.27.3
Average night temperature (°C)3.64.93.95.58.813.012.112.411.69.14.65.4
Absolute minimum temperature (°C)-3.3-0.6-3.0-0.35.68.99.48.95.82.9-1.0-3.8

Northern Ireland monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.017.015.013.011.09.07.0
Daylight mean duration (h)8.09.711.914.116.117.116.614.912.710.58.57.4
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)3.83.54.87.69.212.29.19.56.95.24.52.0
Precipitation (mm)602211912858621861351469371123
Sunny days713241211125794
Rainy days241528261919302925242127
Snow days001000000000

Northern Ireland - weather forecast by months

Northern Ireland weather in januaryNorthern Ireland weather in februaryNorthern Ireland weather in marchNorthern Ireland weather in aprilNorthern Ireland weather in mayNorthern Ireland weather in juneNorthern Ireland weather in julyNorthern Ireland weather in augustNorthern Ireland weather in septemberNorthern Ireland weather in octoberNorthern Ireland weather in novemberNorthern Ireland weather in december

Best time to visit Northern Ireland:

The best time to visit Northern Ireland during the most sunny months:

  • May — 9.2(h)
  • June — 12.2(h)
  • July — 9.1(h)
  • August — 9.5(h)

Months with the longest average daylight duration in Northern Ireland:

  • May — 16.1(h)
  • June — 17.1(h)
  • July — 16.6(h)

The largest precipitation sum in Northern Ireland is at

  • April — 128(mm)
  • July — 186(mm)
  • August — 135(mm)
  • September — 146(mm)

    • Weather forecast in the closest to Northern Ireland admin centers

    Weather forecast in the closest towns to Northern Ireland

    Explore Northern Ireland

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

    When is the best time to visit Northern Ireland?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Northern Ireland.
    What is the weather like in Northern Ireland?
    See average temperature, rainfall and daylight hours for Northern Ireland by month in the table above.
    How many sunny days does Northern Ireland have?
    The monthly weather statistics above show sunshine and rainfall patterns for Northern Ireland throughout the year.