Normal weather for Umatilla in August
It's hot in August in Umatilla with an average temperature of 33°C. Temperatures this month range from a low of 31°C to a high of 34°C. At night, you can expect temperatures between 24°C and 26°C.
In August, there is an average of 247 mm of precipitation, spread over 23 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Umatilla in August |
London | ||
|---|---|---|---|
 Average Temperature |
33°C | 22°C | |
 High Temp |
34°C | 24°C | |
| Low Temp |
31°C | 19°C | |
 Total Precipitation |
247 mm | 60 mm | |
| Rainy Days |
23 days | 10 days | |
Start of August
The month of August starts in Umatilla with hot temperatures, averaging around 34°C during the day and nights close to 26°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-August
By mid-August, the average daytime temperature stays the same at 34°C, with nights close to 26°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of August
By the end of August, the average daytime temperature in Umatilla will be around 33°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is August a good time to visit Umatilla?
After some sun? Then August isn’t the best time to be in Umatilla. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Umatilla runs from June to November.
Temperature records for Umatilla in August
With 37°C, Umatilla hit the highest temperature in the last 10 years in August 2014. The lowest daytime temperature in this month was 26°C in 2015. The extreme night temperatures ranged from a low of 22°C to a high of 28°C.
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Daily Temperature in August in Umatilla
This chart shows the average daily temperatures, both day and night, for each day in August in Umatilla, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Umatilla
The chart below shows the average daily precipitation in August for Umatilla, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 23 days of rain in Umatilla.
Daily UV Index in August in Umatilla
This chart shows the average daily UV index in August in Umatilla, 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.
Temperature in August in Umatilla Over the Years
This chart shows the average temperature in August in Umatilla, measured in degrees Celsius, over the past years.
Total Precipitation in August in Umatilla Over the Years
This chart shows the average precipitation in August in Umatilla, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Umatilla
Click on a specific day in August for detailed info on the typical weather on that day in Umatilla. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Umatilla
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Average Weather in Umatilla by Month
Click on a month below to see detailed weather info for Umatilla. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
