What’s the climate like in Northern Ireland?
The current climate of Northern Ireland features average monthly temperatures ranging from highs of 19°C during the day to lows of 8°C. The average yearly temperature is around 14°C. At night, temperatures in the colder months average around 3°C and in the warmer months around 12°C.
The highest temperature recorded in Northern Ireland in recent years was 29°C in July 2022. The lowest daytime temperature recorded was -1°C in March 2018.
On average, Northern Ireland gets 976 mm of precipitation each year. Of this, about 3,4 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
You can check out all destinations in Northern Ireland for a full picture of the climate.
Best time to visit Northern Ireland?
The best time to visit Northern Ireland for pleasant to warm weather is May through September. There might be some rain during this period, but the temperatures are just right for exploring Northern Ireland.
Climate Table of Northern Ireland
The climate table of Northern Ireland shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 8 | 9 | 10 | 12 | 15 | 18 | 19 | 18 | 17 | 14 | 10 | 9 |
| Temp. min (°C) | 3 | 4 | 4 | 5 | 8 | 11 | 13 | 12 | 11 | 8 | 6 | 4 |
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| Precipitation (mm) | 91 | 88 | 82 | 55 | 59 | 68 | 80 | 93 | 71 | 93 | 95 | 101 |
| Snow (cm) | 0,9 | 1,1 | 1,0 | 0,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 |
| UV Index | 1 | 2 | 3 | 5 | 6 | 6 | 5 | 5 | 4 | 3 | 2 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 14°C
- Highest temperature: 19°C in July
- Lowest temperature: 8°C in January
- Precipitation*: 976 mm per year, averaging 81 mm per month
- Snowfall: 3,4 cm per year
- Driest months: 55 mm in April, 59 mm in May and 68 mm in June
- Wettest months: 101 mm in December, 95 mm in November and 93 mm in August
*Precipitation is measured as a combination of rain, snow, and hail
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Weather experiences in Northern Ireland
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Bright grey skies, heavy rain and darkness were the order of... more
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Strong winds provided refreshment. Prepare for sunshine and ... more
Table of Contents
Average Temperature per Month in Northern Ireland
This graph shows the average maximum temperatures per month in Northern Ireland. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Northern Ireland
This graph shows how much precipitation Northern Ireland gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Northern Ireland
This graph shows how much snow Northern Ireland gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Northern Ireland
This graph shows the average UV index per month in Northern Ireland. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Northern Ireland
This graph shows the average yearly temperature in Northern Ireland. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Northern Ireland
This chart shows the total yearly precipitation in Northern Ireland over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Northern Ireland
This chart shows the total yearly snowfall in Northern Ireland over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Northern Ireland
The weather in Northern Ireland is rated an average of 3 out of 5 stars by 5 visitors. Have you been to Northern Ireland? Share your weather experience to help other visitors.
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Bright grey skies, heavy rain and darkness were the order of the day. However, this hilly landscape under snow was irresistibly beautiful.— This text is automatically translated to English
Strong winds provided refreshment. Prepare for sunshine and grey clouds and make the most of your day! But high temperatures are not to be expected here in June!— This text is automatically translated to English
I saw a lot of showers, but also sunny spells. The temperature was moderate, around 15 degrees. Ideal for a short walk, although a jacket is recommended.— This text is automatically translated to English
Although there were cold and rainy days, there were also surprisingly sunny times. Bring an umbrella and a jacket!— This text is automatically translated to English
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 is automatically translated to English
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Average Weather in Northern Ireland by Month
Click on a month below to see detailed weather info for Northern Ireland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
