Temperatures in August
It's cool to moderate in August in Galway with an average temperature of 18°C. Temperatures this month range from a low of 17°C to a high of 19°C. At night, you can expect temperatures between 11°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Galway in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Galway with mild temperatures, averaging around 19°C during the day and nights close to 13°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-August
By mid-August, the average daytime temperature stays the same at 19°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of August
By the end of August, the average daytime temperature in Galway will be around 18°C, with nights close to 13°C. A shower might show up, but overall the weather will be dry and sunny.
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Water temperature
The water temperature at Galway is 18°C this month. You can swim, but it's a bit on the chilly side.
Precipitation in August
In August, there is an average of 88 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Across the whole month, the average precipitation chance is 54% per day. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Galway. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Galway in August |
London | ||
|---|---|---|---|
 Average Temperature |
18°C | 22°C | |
 High Temp |
19°C | 24°C | |
| Low Temp |
17°C | 19°C | |
 Total Precipitation |
88 mm | 60 mm | |
| Rainy Days |
17 days | 10 days | |
July
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is August a good time to visit Galway?
Want nice weather? Then August is a great time to be in Galway. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Galway in August
With 28°C, Galway hit the highest temperature in the last 10 years in August 2022. The lowest daytime temperature in this month was 13°C in 2018. The extreme night temperatures ranged from a low of 7°C to a high of 16°C.
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Daily Temperature in August in Galway
This chart shows the average daily temperatures, both day and night, for each day in August in Galway, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Galway
The chart below shows the average daily precipitation in August for Galway, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 17 days of rain in Galway.
Daily UV Index in August in Galway
This chart shows the average daily UV index in August in Galway, 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.
Temperature in August in Galway Over the Years
This chart shows the average temperature in August in Galway, measured in degrees Celsius, over the past years.
Total Precipitation in August in Galway Over the Years
This chart shows the average precipitation in August in Galway, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Galway
Click on a specific day in August for detailed info on the typical weather on that day in Galway. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Galway
Have you been to Galway in August?
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Average Weather in Galway by Month
Click on a month below to see detailed weather info for Galway. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
