Weathermondo.com
United StatesThe weather in July in Potomac
It's hot in July in Potomac with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 33°C. At night, you can expect temperatures between 20°C and 23°C.
Looking for sun? July isn’t a good month to be in Potomac. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Potomac, Maryland. 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 2016, Potomac reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 22°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 26°C.
Rainfall amount
In July, there is an average of 204 mm of precipitation, spread over 19 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in July for Potomac
Click on any day in July to get detailed info about the usual weather on that day in Potomac. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| Potomac | New York | |
|---|---|---|
| Average temperature | 31°C | 31°C |
| Max. temperature | 33°C | 33°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 204 mm | 160 mm |
| Rainy days | 19 days | 18 days |
Start of July
The month of July starts in Potomac with hot temps, averaging around 31°C during the day and nights around 22°C.
Mid July
By mid-July, daytime temps rise to around 33°C, with nights around 22°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of July
By the end of July, the average daytime temperature in Potomac is around 31°C, while nighttime temps are about 22°C. There’s a significant chance of many days with precipitation.
Find affordable trips to Potomac
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Potomac for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in July in Potomac, Maryland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Potomac
Temperature in July in Potomac over the years
Precipitation charts
These charts show the average amount of precipitation in July in Potomac, Maryland. 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 July in Potomac
Total precipitation in July in Potomac over the years
Daily UV index in July in Potomac
This chart shows the average daily UV index in July in Potomac, 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 July in Potomac
Have you been to Potomac in July?
Share your weather experience in July in Potomac.
Average weather in Potomac by month
Click on a month below to see detailed weather info for Potomac. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.