Dover, DE weather in July
July in Dover: warm and oppressively humid, with some rain. Highs 87°F, lows 69°F, about 9 wet days. This is the peak of the warm season in Dover.
- Normal high
- 87°F
- Normal low
- 69°F
- Wet days
- 9
- 4.1 in total
- Muggy days
- 23
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 87°F | 86°F |
| Normal low | 68°F | 69°F |
| Chance of a wet day | 28% | 29% |
| Sunrise / sunset | 5:39 am / 8:32 pm | 6:01 am / 8:15 pm |
| Daylight | 14.9 h | 14.2 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 68°F
- 9 am79°Fdew point 68°F
- Noon83°Fdew point 67°F
- 3 pm84°Fdew point 67°F
- 6 pm81°Fdew point 67°F
- 9 pm75°Fdew point 68°F
NOAA hourly normals (local standard time) from Dover AFB (4 mi away); average wind 7 mph; clear or few clouds in 47% of daytime hours, mostly cloudy or overcast in 37%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph20 of 31
- Hot dayshigh 90°F or more11 of 31
- Muggy daysdaily mean dew point 65°F or more23 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in6 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 4.1 in; a dry July brings about 2.6 in and a wet one about 5.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202011: average high 92°F
- Coolest July2000: average high 81°F
- Wettest July2004: 7.9 in
- Driest July1998: 1.7 in
- Highest reading101°F (July 7, 2012)
- Lowest reading53°F (July 3, 2001)
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 | 83°F | 87°F | 85°F |
| Normal low | 64°F | 69°F | 67°F |
| Wet days | 9 | 9 | 8 |
| Comfortable days | 6 | 1 | 2 |
| Daylight | 14.9 h | 14.6 h | 13.7 h |
Highs change by +4°F from June and -2°F into August.
Nearby alternatives in July
- Cooler: Montauk, NY229 mi · high 80°F · 9 wet days
How Dover ranks in July
- Normal high192nd warmest of 378 cities; 1st of 2 in Delaware
- Wet days178th driest of 378
- Comfortable days187th most of 340
What to pack for Dover in July
- Light, breathable clothing – highs near 87°F and about 23 muggy days
- A rain jacket or umbrella – rain on about 9 days
- A swimsuit – about 20 beach days
- Sunglasses and sunscreen – about 14.6 hours of daylight and highs near 87°F
Heating and cooling
July has 0 heating degree days and 401 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How hot is Dover in July?
The normal high is 87°F and the normal low is 69°F. From 1991 to 2020 the hottest July reading was 101°F (most recently on July 7, 2012).
Does it rain a lot in Dover in July?
About 9 days in July have at least 0.01 in of precipitation, and the normal total is 4.1 in. The wettest July in 1991-2020 was in 2004 (7.9 in); the driest was in 1998 (1.7 in).
Is July a good time to visit Dover?
July ranks 9th of 12 months on our comfort score for Dover (48 out of 100). It has about 1 comfortable day and about 11 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Dover (USC00072730), 1.3 mi SE of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Dover AFB (USW00013707), 3.5 mi ESE of the city center, 23 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Dover AFB Airport (724088-13707), 3.5 mi ESE of the city center, 28 ft . Hourly observations, 1991-2020.