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The weather in August in Northern Ireland
It's cool to moderate in August in Northern Ireland with an average temperature of 18°C. Temperatures this month range from a low of 17°C to a high of 20°C. At night, you can expect temperatures between 11°C and 14°C.
Looking for great weather? August is a good time to be in Northern Ireland. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Northern Ireland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 27°C in 2022, Northern Ireland reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 12°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 17°C.
Rainfall amount
In August, there is an average of 93 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in August for Northern Ireland
Click on any day in August to get detailed info about the usual weather on that day in Northern Ireland. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Northern Ireland | New York | |
|---|---|---|
| Average temperature | 18°C | 30°C |
| Max. temperature | 20°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 93 mm | 79 mm |
| Rainy days | 12 days | 13 days |
Start of August
The month of August starts in Northern Ireland with mild temps, averaging around 19°C during the day and nights around 13°C.
Mid August
By mid-August, daytime temps stay steady at around 19°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Northern Ireland is around 19°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable vacations to Northern Ireland
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Northern Ireland for all months and discover the best travel time
You can check out all destinations in Northern Ireland to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in August in Northern Ireland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Northern Ireland
Temperature in August in Northern Ireland over the years
Precipitation charts
These charts show the average amount of precipitation in August in Northern Ireland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Northern Ireland
Total precipitation in August in Northern Ireland over the years
Daily UV index in August in Northern Ireland
This chart shows the average daily UV index in August in Northern Ireland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Northern Ireland
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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.