Weather in Washington in July 2025
- July is usually the hottest month of the year in Washington;
Average weather
Average temperature in Washington in July
The temperature in July is +32°C on average, with a range between a maximum of +37°C during the day and a minimum of +20°C at night.
The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +31°C to +30°C.
Is Washington warm or cold in July?
Washington is typically hot in July.
Maximum temperatures go up compared to the previous month from +29°C to +31°C. The minimum temperature also goes up from +19°C to +22°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
July is the hottest month in Washington, here is the comparison with other months:
Climate in Washington in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +31°C | +30°C | ||||
| Min. temperature | ||||||
| +9°C | +12°C | +9°C | ||||
| Max. temperature | ||||||
| +40°C | +40°C | +39°C | ||||
| Rainfall | ||||||
| 118 mm | 135 mm | 112 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 66% | 66% | 68% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 9 | 9 | 11 | ||||
| Rainy days | ||||||
| 13 | 13 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +29°C to +31°C during the day. Prepare for more rain. Average rainfall goes from 118 mm to 135 mm. Humidity levels don’t change as the month goes on, averaging around 66%. Winds are calmer in comparison to June, going down from 3 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
August brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Washington is gradually increasing during July, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last July in Washington?
Climate Change over Years
The climate in Washington in July has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+18°C) and the highest in 2023 (+21°C). The driest year was 2007 with only 654 mm of rainfall, and the wettest year was 2022 with 1801 mm.
FAQ
Is July a good time to visit Washington?
Can you sunbathe in Washington in July?
Is Washington rainy in July?
Is it sunny in Washington in July?
Other cities in USA
Monthly weather in Washington
Source of the data
For this page, we’ve looked at the typical weather in Washington, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
