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United StatesThe weather in August in Index
It's warm in August in Index with an average temperature of 25°C. Temperatures this month range from a low of 21°C to a high of 27°C. At night, you can expect temperatures between 13°C and 16°C.
Looking for great weather? August is a good time to be in Index. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Index, 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, Index reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 15°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 21°C.
Rainfall amount
In August, there is an average of 17 mm of precipitation, spread over 5 days. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in August for Index
Click on any day in August to get detailed info about the usual weather on that day in Index. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Index | New York | |
|---|---|---|
| Average temperature | 25°C | 30°C |
| Max. temperature | 27°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 17 mm | 79 mm |
| Rainy days | 5 days | 13 days |
Start of August
The month of August starts in Index with warm temps, averaging around 26°C during the day and nights around 15°C.
Mid August
By mid-August, daytime temps stay steady at around 26°C, with nights around 16°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Index is around 25°C, while nighttime temps are about 14°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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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 Index for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Index, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Index
Temperature in August in Index over the years
Precipitation charts
These charts show the average amount of precipitation in August in Index, 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 Index
Total precipitation in August in Index over the years
Daily UV index in August in Index
This chart shows the average daily UV index in August in Index, 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 Index
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Average weather in Index by month
Click on a month below to see detailed weather info for Index. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.