The weather in August in Newcastle

It's cool to moderate in August in Newcastle 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.

Looking for great weather? August is a good time to be in Newcastle. The temperatures are nice, and there’s not too much 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 Newcastle, Northern Ireland. 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 26°C in 2022, Newcastle reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 13°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 17°C.

Rainfall amount

In August, there is an average of 85 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in August for Newcastle

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

August weather comparison

  Newcastle New York
Average temperature 18°C 30°C
Max. temperature 19°C 31°C
Min. temperature 11°C -5°C
Total precipitation 85 mm 79 mm
Rainy days 12 days 13 days

Start of August

The month of August starts in Newcastle with mild temps, averaging around 19°C during the day and nights around 13°C.

Mid August

By mid-August, daytime temps stay steady at around 19°C, with nights around 14°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 Newcastle is around 18°C, while nighttime temps are about 12°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 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

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

Temperature charts

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

Daily Temperature in August in Newcastle

Temperature in August in Newcastle over the years

Precipitation charts

These charts show the average amount of precipitation in August in Newcastle, Northern Ireland. 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 Newcastle

Total precipitation in August in Newcastle over the years

Daily UV index in August in Newcastle

This chart shows the average daily UV index in August in Newcastle, 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 Newcastle

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Average weather in Newcastle by month

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