The weather in August in New Castle

It's warm in August in New Castle with an average temperature of 27°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 16°C and 20°C.

Looking for sun? August isn’t a good month to be in New Castle. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for New Castle, New Hampshire. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2016, New Castle reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 18°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 25°C.

Rainfall amount

In August, there is an average of 139 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in August for New Castle

Click on any day in August to get detailed info about the usual weather on that day in New Castle. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  New Castle New York
Average temperature 27°C 30°C
Max. temperature 30°C 31°C
Min. temperature 16°C -5°C
Total precipitation 139 mm 79 mm
Rainy days 15 days 13 days

Start of August

The month of August starts in New Castle with hot temps, averaging around 28°C during the day and nights around 18°C.

Mid August

By mid-August, daytime temps stay steady at around 28°C, with nights around 18°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of August

By the end of August, the average daytime temperature in New Castle is around 27°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of New Castle for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in New Castle, New Hampshire. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in New Castle

Temperature in August in New Castle over the years

Precipitation charts

These charts show the average amount of precipitation in August in New Castle, New Hampshire. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in New Castle

Total precipitation in August in New Castle over the years

Daily UV index in August in New Castle

This chart shows the average daily UV index in August in New Castle, 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.

Weather experiences in August in New Castle

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Average weather in New Castle by month

Click on a month below to see detailed weather info for New Castle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.