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Average climate of Northern Ireland

The climate of Northern Ireland has an average yearly temperature of 13°C. Throughout the year, the average monthly temperature can drop to 7°C and rise to 18°C.

Annually, about 1128 mm of rain falls. This gives a good overview of how much rain to expect in Northern Ireland. Additionally, about 3,6 cm of snow falls each year.

The best time to visit Northern Ireland is June and July. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Northern Ireland.

Temperature 7 to 18°C
Rain 1128 mm
Snow 3,6 cm
The climate of Northern Ireland
  • Average yearly temperature: 13°C
  • Highest temperature: 18°C in June, July and August
  • Lowest temperature: 7°C in January
  • Precipitation: 1128 mm per year, averaging 94 mm per month
  • Driest months: 57 mm in April, 72 mm in May and 76 mm in June
  • Wettest months: 126 mm in December, 108 mm in November and 107 mm in January
  • Snowfall: 3,6 cm per year

Climate table Northern Ireland

The climate table for Northern Ireland shows the average temperatures, precipitation, snowfall, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 7 8 9 12 15 18 18 18 16 13 10 8
Nighttime temperature (°C) 3 3 3 5 8 11 12 12 10 8 5 4
Precipitation (mm) 107 106 102 57 72 76 88 102 79 105 108 126
Snowfall (cm) 1,0 1,6 0,6 0,2 0 0 0 0 0 0 0 0,2
UV Index 1 2 4 5 6 6 5 5 4 3 2 1
Best month No No No No No Yes Yes No No No No No

Temperature per month in Northern Ireland

This graph shows the average high temperatures in degrees Celsius for each month in Northern Ireland

Temperature per month in Northern Ireland

Precipitation per month in Northern Ireland

This graph shows the average monthly precipitation in millimeters in Northern Ireland.

Precipitation per month in Northern Ireland

Snowfall per month in Northern Ireland

This graph shows the average snowfall in centimeters per month in Northern Ireland.

Snowfall per month in Northern Ireland

UV index per month in Northern Ireland

This graph shows the average UV index per month in Northern Ireland.

UV index per month in Northern Ireland

Yearly temperature in Northern Ireland

This graph shows the average yearly temperature in Northern Ireland, measured in degrees Celsius.

Yearly temperature in Northern Ireland

Yearly total precipitation in Northern Ireland

This graph shows the average yearly precipitation in millimeters in Northern Ireland.

Precipitation per year in Northern Ireland

Yearly snowfall in Northern Ireland

This graph shows the average yearly snowfall in Northern Ireland, measured in centimeters.

Snowfall per year in Northern Ireland

Weather experiences in Northern Ireland

The weather in Northern Ireland is rated an average of 3 out of 5 stars by 5 visitors.

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Weather Experience: Moderate

Bright gray skies, heavy rain and darkness were the order of the day. However, this hilly landscape under the snow was irresistibly beautiful.— This text has been automatically translated into English

Weather Experience: Moderate

Strong winds provided refreshment. Prepare for sunshine and gray clouds and make the most of your day! But high temperatures are not to be expected here in June!— This text has been automatically translated into English

Weather Experience: Moderate

I saw many showers, but also sunny periods. The temperature was moderate, around 15 degrees. Ideal for a short walk, although a jacket is recommended.— This text has been automatically translated into English

Weather Experience: Moderate

Although there were cold and rainy days, there were also surprisingly sunny times. Bring an umbrella and a coat!— This text has been automatically translated into English

Weather Experience: Moderate

Sometimes too cold for this time of year, the temperature was usually around 15 degrees. There was occasional rain and clouds, but there were also moments of beautiful sunshine. An umbrella is a must!— This text has been automatically translated into English

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Average weather in Northern Ireland per month

Click on a month below to see in detail how the weather typically is in Northern Ireland and what to expect. Based on the historical weather data of Northern Ireland, you can view the average temperature, precipitation, wind, and UV index for each day of the month.