Normal weather on 21 August in Grass Valley
The weather on 21 August in Grass Valley has an average temperature of about 28°C during the day. The maximum temperature can reach up to 35°C, while the minimum temperature can be 22°C.
On average, 0,3 mm of rain falls in Grass Valley on 21 August. The wind speed is 3 Beaufort and mainly comes from South.
21 August Averages for Grass Valley
 Average temperature | 28°C |
 Highest daytime temperature | 35°C |
| Lowest daytime temperature | 22°C |
 Total rainfall | 0,3 mm |
| Rainy days | 1 day |
Temperature on 21 August in Grass Valley per Year
This graph shows the measured temperature on 21 August in Grass Valley per year, measured in degrees Celsius, over the past years.
Precipitation on 21 August in Grass Valley per Year
This graph shows the total measured precipitation in millimeters on 21 August in Grass Valley per year over the past years.
Average weather in Grass Valley per month
Click on a month below to see in detail how the weather typically is in Grass Valley and what to expect. Based on the historical weather data of Grass Valley, you can view the average temperature, precipitation, wind, and UV index for each day of the month.