Normal weather on 21 August in Northern Ireland
The weather on 21 August in Northern Ireland has an average temperature of about 18°C during the day. The maximum temperature can reach up to 21°C, while the minimum temperature can be 15°C.
On average, 5,1 mm of rain falls in Northern Ireland on 21 August. The wind speed is 4 Beaufort and mainly comes from South.
21 August Averages for Northern Ireland
![]() | 18°C |
![]() | 21°C |
![]() | 15°C |
![]() | 5,1 mm |
![]() | 1 day |
Temperature on 21 August in Northern Ireland per Year
This graph shows the measured temperature on 21 August in Northern Ireland per year, measured in degrees Celsius, over the past years.
Rainfall on 21 August in Northern Ireland per Year
This graph shows the total measured rainfall in millimeters on 21 August in Northern Ireland per year over the past years.
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, rainfall, wind, and UV index for each day of the month.