United StatesThe weather in August in Johnstone
It's hot in August in Johnstone with an average temperature of 37°C. Temperatures this month range from a low of 35°C to a high of 39°C. At night, you can expect temperatures between 24°C and 26°C.
August isn’t a good month to be in Johnstone. The average temperature of 37°C this month is uncomfortably hot for a comfortable stay.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Johnstone, Texas. 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 42°C in 2019, Johnstone reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 25°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 29°C.
Rainfall amount
In August, there is an average of 95 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in August for Johnstone
Click on any day in August to get detailed info about the usual weather on that day in Johnstone. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Johnstone | New York | |
|---|---|---|
| Average temperature | 37°C | 30°C |
| Max. temperature | 39°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 95 mm | 79 mm |
| Rainy days | 11 days | 13 days |
Start of August
The month of August starts in Johnstone with hot temps, averaging around 38°C during the day and nights around 26°C.
Mid August
By mid-August, daytime temps drop to around 37°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in Johnstone is around 37°C, while nighttime temps are about 25°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Johnstone runs from June to November.
Check out the climate of Johnstone for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Johnstone, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Johnstone
Temperature in August in Johnstone over the years
Precipitation charts
These charts show the average amount of precipitation in August in Johnstone, Texas. 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 Johnstone
Total precipitation in August in Johnstone over the years
Daily UV index in August in Johnstone
This chart shows the average daily UV index in August in Johnstone, 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 Johnstone
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Average weather in Johnstone by month
Click on a month below to see detailed weather info for Johnstone. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.