Temperatures in August
It's hot in August in Lake Arrowhead with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 34°C. At night, you can expect temperatures between 13°C and 16°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Lake Arrowhead in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Lake Arrowhead with hot temperatures, averaging around 31°C during the day and nights close to 15°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-August
By mid-August, the average daytime temperature stays the same at 31°C, with nights close to 15°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of August
By the end of August, the average daytime temperature in Lake Arrowhead will be around 32°C, with nights close to 14°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in August
According to weather history, there is only 9,9 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the West.
The average chance of precipitation is only 6% in August.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Lake Arrowhead. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Lake Arrowhead in August |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 22°C | |
 High Temp |
34°C | 24°C | |
| Low Temp |
28°C | 19°C | |
 Total Precipitation |
9,9 mm | 60 mm | |
| Rainy Days |
2 days | 10 days | |
July
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.
Is August a good time to visit Lake Arrowhead?
August is a great month to be in Lake Arrowhead for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Lake Arrowhead in August
With 43°C, Lake Arrowhead hit the highest temperature in the last 10 years in August 2017. The lowest daytime temperature in this month was 19°C in 2023. The extreme night temperatures ranged from a low of 7°C to a high of 21°C.
Check out the climate of Lake Arrowhead for all months and discover the best travel time
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Daily Temperature in August in Lake Arrowhead
This chart shows the average daily temperatures, both day and night, for each day in August in Lake Arrowhead, 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 Lake Arrowhead
The chart below shows the average daily precipitation in August for Lake Arrowhead, 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 2 days of rain in Lake Arrowhead.
Daily UV Index in August in Lake Arrowhead
This chart shows the average daily UV index in August in Lake Arrowhead, 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 Lake Arrowhead Over the Years
This chart shows the average temperature in August in Lake Arrowhead, measured in degrees Celsius, over the past years.
Total Precipitation in August in Lake Arrowhead Over the Years
This chart shows the average precipitation in August in Lake Arrowhead, 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 Lake Arrowhead
Click on a specific day in August for detailed info on the typical weather on that day in Lake Arrowhead. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Lake Arrowhead
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Average Weather in Lake Arrowhead by Month
Click on a month below to see detailed weather info for Lake Arrowhead. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Lake Arrowhead for all months at once
