Weather in Newcastle in August 2025
- August is usually the hottest month of the year in Newcastle;
Average weather
Average temperature in Newcastle in August
Going from a maximum of +75°F during the day to a minimum of +45°F during the night, the temperature in August averages around +66°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +64°F to +64°F.
Is Newcastle warm or cold in August?
Newcastle is typically mild in August.
Maximum temperatures go up compared to the previous month from +66°F to +66°F. The minimum temperature also goes up from +54°F to +54°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is the hottest month in Newcastle, here is the comparison with other months:
Water temperature in Newcastle in August
Water in Newcastle in August is Fresh. It varies from +63°F to +69°F, with an average of +66°F. This is almost similar to the air temperature, which averages +66°F.
The water temperature in August is one of the coldest of the entire year:
Can you swim in Newcastle in August?
Climate in Newcastle in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +66°F | +66°F | +63°F | ||||
| Min. temperature | ||||||
| +41°F | +39°F | +36°F | ||||
| Max. temperature | ||||||
| +93°F | +90°F | +81°F | ||||
| Rainfall | ||||||
| 65 mm | 72 mm | 57 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +67°F | +66°F | +66°F | ||||
| Humidity | ||||||
| 76% | 77% | 79% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 3 | ||||
| Cloudy days | ||||||
| 9 | 8 | 10 | ||||
| Rainy days | ||||||
| 18 | 19 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +66°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 65 mm to 72 mm. Humidity rises from 76% to 77%. The average wind speed doesn’t change much during August, staying around 3 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Newcastle is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Newcastle?
Climate Change Over the Years
The climate in Newcastle in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+52°F) and the highest in 2022 (+56°F). The driest year was 2003 with only 518 mm of rainfall, and the wettest year was 2012 with 1037 mm.
FAQ
Is August a good time to visit Newcastle?
Can you sunbathe in Newcastle in August?
Can you swim in Newcastle in August?
Is Newcastle rainy in August?
Is it sunny in Newcastle in August?
Other cities in United Kingdom
Monthly weather in Newcastle
Source of the data
For this page, we’ve looked at the typical weather in Newcastle, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.