IrelandAverage weather for Donegal in August
It's pleasantly warm in August in Donegal with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 20°C. At night, you can expect temperatures between 9°C and 13°C.
Start of August
The month of August starts in Donegal with mild temps, averaging around 19°C during the day and nights around 12°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
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 Donegal is around 19°C, while nighttime temps are about 11°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In August, there is an average of 102 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Donegal in August |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 30°C | |
 Max. temperature |
20°C | 31°C | |
| Min. temperature |
17°C | -5°C | |
 Total precipitation |
102 mm | 79 mm | |
| Rainy days |
17 days | 13 days | |
July
UV index
The UV index is a maximum of 5 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 Donegal?
Looking for sun? August isn’t a good month to be in Donegal. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 28°C in 2022, Donegal reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 13°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 17°C.
Check out the climate of Donegal for all months and discover the best travel time
Daily Temperature in August in Donegal
This chart shows the average daily high and low temperatures in August for Donegal, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Donegal
The chart below shows the average daily precipitation in August for Donegal, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 17 days of precipitation in Donegal.
Daily UV index in August in Donegal
This chart shows the average daily UV index in August in Donegal, 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 Donegal over the years
This chart shows the average temperature in August in Donegal, measured in degrees Celsius, over the past few years.
Total precipitation in August in Donegal over the years
This chart shows the average precipitation in August in Donegal, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Donegal
Click on any day in August to get detailed info about the usual weather on that day in Donegal. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Donegal
Have you been to Donegal in August?
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Average weather in Donegal by month
Click on a month below to see detailed weather info for Donegal. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
