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United StatesThe weather in August in Rainier
It's warm in August in Rainier with an average temperature of 27°C. Temperatures this month range from a low of 23°C to a high of 30°C. At night, you can expect temperatures between 11°C and 15°C.
Looking for great weather? August is a good time to be in Rainier. 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 Rainier, Washington. 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 37°C in 2020, Rainier reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 17°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 20°C.
Rainfall amount
In August, there is an average of 95 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in August for Rainier
Click on any day in August to get detailed info about the usual weather on that day in Rainier. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Rainier | New York | |
|---|---|---|
| Average temperature | 27°C | 30°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 95 mm | 79 mm |
| Rainy days | 11 days | 13 days |
Start of August
The month of August starts in Rainier with hot temps, averaging around 28°C during the day and nights around 14°C.
Mid August
By mid-August, daytime temps drop to around 27°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 Rainier is around 26°C, while nighttime temps are about 13°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Rainier for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Rainier, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Rainier
Temperature in August in Rainier over the years
Precipitation charts
These charts show the average amount of precipitation in August in Rainier, Washington. 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 Rainier
Total precipitation in August in Rainier over the years
Daily UV index in August in Rainier
This chart shows the average daily UV index in August in Rainier, 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 Rainier
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Average weather in Rainier by month
Click on a month below to see detailed weather info for Rainier. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.