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 29°C to a high of 36°C. At night, you can expect temperatures between 12°C and 19°C.
According to weather history, there is only 6,6 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the South.
Umatilla in August |
New York | ||
|---|---|---|---|
 Average Temperature |
33°C | 30°C | |
 High Temp |
36°C | 31°C | |
| Low Temp |
29°C | 28°C | |
 Total Precipitation |
6,6 mm | 79 mm | |
| Rainy Days |
3 days | 13 days | |
Start of August
The month of August starts in Umatilla with hot temps, averaging around 33°C during the day and nights around 16°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
Mid August
By mid-August, daytime temps rise to around 35°C, with nights around 16°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
End of August
By the end of August, the average daytime temperature in Umatilla is around 32°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.
Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Umatilla?
August is a good month to be in Umatilla for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records for Umatilla in August
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Daily Temperature in August in Umatilla
This chart shows the average daily high and low temperatures in August for Umatilla, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Umatilla
The chart below shows the average daily precipitation in August for Umatilla, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 3 days of precipitation 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 few years.
Total Precipitation in August in Umatilla Over the Years
This chart shows the average precipitation in August in Umatilla, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in August for Umatilla
Click on any day in August to get detailed info about the usual 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.
