Durham, NC weather in July
Expect hot, oppressively humid weather with frequent rain in Durham in July, with highs near 91°F and lows near 70°F. Rain falls on about 12 days. It is one of the warmest months in Durham.
- Normal high
- 91°F
- Normal low
- 70°F
- Wet days
- 12
- 5.0 in total
- Muggy days
- 26
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 90°F | 90°F |
| Normal low | 69°F | 70°F |
| Chance of a wet day | 37% | 39% |
| Sunrise / sunset | 6:02 am / 8:36 pm | 6:22 am / 8:21 pm |
| Daylight | 14.6 h | 14.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical July day
- 6 am72°Fdew point 69°F
- 9 am80°Fdew point 70°F
- Noon86°Fdew point 69°F
- 3 pm88°Fdew point 68°F
- 6 pm84°Fdew point 68°F
- 9 pm77°Fdew point 69°F
NOAA hourly normals (local standard time) from Raleigh Durham Intl Airport (10 mi away); average wind 6 mph; clear or few clouds in 43% of daytime hours, mostly cloudy or overcast in 38%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more19 of 31
- Muggy daysdaily mean dew point 65°F or more26 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 5.0 in; a dry July brings about 3.5 in and a wet one about 6.1 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202011: average high 95°F
- Coolest July2001: average high 86°F
- Wettest July1991: 10.3 in
- Driest July1993: 2.1 in
- Highest reading105°F (July 8, 2012)
- Lowest reading54°F (July 5, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 87°F | 91°F | 89°F |
| Normal low | 66°F | 70°F | 69°F |
| Wet days | 11 | 12 | 11 |
| Comfortable days | 2 | 0 | 1 |
| Daylight | 14.6 h | 14.3 h | 13.5 h |
Highs change by +4°F from June and -2°F into August.
Nearby alternatives in July
- Cooler: Nags Head, NC183 mi · high 86°F · 9 wet days
How Durham ranks in July
- Normal high130th warmest of 378 cities; 3rd of 10 in North Carolina
- Wet days306th driest of 378
- Comfortable days234th most of 340
What to pack for Durham in July
- Light, breathable clothing – highs near 91°F and about 26 muggy days
- A rain jacket or umbrella – rain on about 12 days
- Sunglasses and sunscreen – about 14.3 hours of daylight and highs near 91°F
Heating and cooling
July has 0 heating degree days and 480 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is Durham in July?
The normal high is 91°F and the normal low is 70°F. From 1991 to 2020 the hottest July reading was 105°F (July 8, 2012).
Does it rain a lot in Durham in July?
About 12 days in July have at least 0.01 in of precipitation, and the normal total is 5.0 in. The wettest July in 1991-2020 was in 1991 (10.3 in); the driest was in 1993 (2.1 in).
Is July a good time to visit Durham?
July ranks 12th of 12 months on our comfort score for Durham (40 out of 100). It has almost no comfortable days and about 19 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Raleigh Durham Intl Airport (USW00013722), 9.6 mi SE of the city center, 416 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Pope AFB (USW00013714), 57 mi S of the city center, 218 ft (177 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Raleigh-Durham International Airport (723060-13722), 9.6 mi SE of the city center, 395 ft . Hourly observations, 1991-2020.