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August Weather in Dublin, United States

Last updated: June 24, 2025

In August, the average temperature in Dublin, United States is a warm 29°C (85°F), making it a great time to explore! However, be prepared for temperature fluctuations, with minimums dipping to 18°C (65°F) and highs soaring to 40°C (105°F). During this month, precipitation totals around 71 mm (2.8 in) over 8 days, adding a touch of humidity with an average rate of 63%. Enjoy your stay!

August Temperature in Dublin

In August in Dublin, the average temperature is 29°C (85°F). Maximums can reach 40°C (105°F), while minimums can drop to as low as 18°C (65°F). Be sure to pack accordingly to enjoy your travels to Dublin during this warm period!

August Weather in Dublin: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Dublin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dublin, August typically has an average temperature of 29°C (85°F), with highs reaching up to 40°C (105°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec474960667481858578685752
Data source: Temperature data for Dublin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Dublin

In Dublin in August, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

August Precipitation Trends in Dublin

The chart displays monthly precipitation patterns in Dublin, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Dublin, August typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4271847511963437175983837
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Dublin

In Dublin in August humidity is 63%. With an average temperature of 29°C (85°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and slightly drained, making it essential to stay hydrated and take breaks in shaded areas.

August Average Humidity in Dublin

This chart illustrates the average monthly humidity levels in Dublin, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Dublin is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Dublin

In Dublin in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dublin.

Maximum UV Index Levels in Dublin for August

The chart shows the monthly maximum UV Index (UVI) for Dublin in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Dublin typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112121110864
Data source: Dublin August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Dublin Compares to Other Months

Weather in Dublin varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Dublin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dublin, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)42 mm (1.6 inches)78%moderate
February Weather10°C (50°F)71 mm (2.8 inches)78%high
March Weather16°C (61°F)84 mm (3.3 inches)77%very high
April Weather19°C (66°F)75 mm (2.9 inches)78%very high
May Weather24°C (75°F)119 mm (4.7 inches)82%extreme
June Weather27°C (82°F)63 mm (2.5 inches)78%extreme
July Weather30°C (85°F)43 mm (1.7 inches)69%extreme
August Weather29°C (85°F)71 mm (2.8 inches)63%extreme
September Weather26°C (79°F)75 mm (2.9 inches)66%very high
October Weather20°C (68°F)98 mm (3.8 inches)73%very high
November Weather14°C (57°F)38 mm (1.5 inches)84%high
December Weather11°C (52°F)37 mm (1.4 inches)87%moderate

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