Weather in Sidney in August 2025
- August is usually the hottest month of the year in Sidney;
- August is usually the driest month of the year in Sidney
Average weather
Average temperature in Sidney in August
The temperature in August is +88°F on average, with a range between a maximum of +99°F during the day and a minimum of +48°F at night.
The average maximum temperature goes down 18% by the end of the month, compared with the beginning of the month, from +99°F to +90°F.
Is Sidney warm or cold in August?
Sidney is typically warm in August.
Maximum temperatures go up compared to the previous month from +86°F to +86°F. The minimum temperature also goes down from +61°F to +59°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Sidney, here is the comparison with other months:
Climate in Sidney in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +86°F | +75°F | ||||
| Min. temperature | ||||||
| +43°F | +37°F | +23°F | ||||
| Max. temperature | ||||||
| +108°F | +104°F | +102°F | ||||
| Rainfall | ||||||
| 52 mm | 47 mm | 42 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 57% | 55% | 57% | ||||
| Air pressure | ||||||
| 1012 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 11 | 12 | 12 | ||||
| Cloudy days | ||||||
| 5 | 5 | 7 | ||||
| Rainy days | ||||||
| 13 | 12 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +86°F for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 52 mm to 47 mm. It feels drier, as humidity decreases from 57% to 55%. The average wind speed doesn’t change much during August, staying around 3 m/s. The good news is there are likely to be more sunny days in August, from 11 to 12.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sidney is gradually increasing during August, going from 2 m/s to 5 m/s over the course of the month.
Rain
How was the weather last August in Sidney?
Climate Change Over the Years
The climate in Sidney in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+51°F) and the highest in 2021 (+61°F). The driest year was 1984 with only 161 mm of rainfall, and the wettest year was 2019 with 602 mm.
FAQ
Is August a good time to visit Sidney?
Can you sunbathe in Sidney in August?
Is Sidney rainy in August?
Is it sunny in Sidney in August?
Other cities in USA
Monthly weather in Sidney
Source of the data
For this page, we’ve looked at the typical weather in Sidney, 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.
