United StatesAverage weather for Derry in August
It's hot in August in Derry with an average temperature of 34°C. Temperatures this month range from a low of 30°C to a high of 36°C. At night, you can expect temperatures between 21°C and 25°C.
Start of August
The month of August starts in Derry with hot temps, averaging around 34°C during the day and nights around 24°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps rise to around 35°C, with nights around 23°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of August
By the end of August, the average daytime temperature in Derry is around 34°C, while nighttime temps are about 24°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In August, there is an average of 114 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
Derry in August |
New York | ||
|---|---|---|---|
 Average temperature |
34°C | 30°C | |
 Max. temperature |
36°C | 31°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
114 mm | 79 mm | |
| Rainy days |
10 days | 13 days | |
July
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Derry?
Looking for sun? August isn’t a good month to be in Derry. The temperature is nice, but there’s too much chance of rain.
The hurricane season in Derry runs from June to November.
Temperature records
With 43°C in 2023, Derry reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 22°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 28°C.
Check out the climate of Derry for all months and discover the best travel time
Daily Temperature in August in Derry
This chart shows the average daily high and low temperatures in August for Derry, 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 Derry
The chart below shows the average daily precipitation in August for Derry, 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 10 days of precipitation in Derry.
Daily UV index in August in Derry
This chart shows the average daily UV index in August in Derry, 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 Derry over the years
This chart shows the average temperature in August in Derry, measured in degrees Celsius, over the past few years.
Total precipitation in August in Derry over the years
This chart shows the average precipitation in August in Derry, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Derry
Click on any day in August to get detailed info about the usual weather on that day in Derry. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Derry
Have you been to Derry in August?
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Average weather in Derry by month
Click on a month below to see detailed weather info for Derry. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
