Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
July verdict
National Harbor, Maryland, United States in July
Weather score75Very good
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 9h per day, so bright days are a strong part of the month. Rainfall averages 96mm, so some wet days are possible.
July weather
Monthly averages
Temp
31°C
Rain
96mm
Sun
9h
Weather score
75
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 96mm, so some wet days are possible.
Bright
Sunshine averages 9h per day, so bright days are a strong part of the month.
Map
Weather map
Compare National Harbor, Maryland, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July31°C average high
July is one of National Harbor's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July96mm average rain
July is wetter than National Harbor's yearly average, so flexible plans matter more.
Driest monthsJanuary to July and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July9 hours average sun
July is one of National Harbor's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
July75 weather score
July scores above National Harbor's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
