Dover weather in July: Dover, Delaware: normal highs, lows, rain and records for July
Dover in July has a normal high of 87°F and a normal low of 69°F, a daily mean of 78°F, holding near 87°F all month. Measurable precipitation falls on 9 days in a normal July, 4.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 21°C, 105 mm of precipitation in July.
- NOAA stationDover
- Station IDUSC00072730
- Location39.15°N 75.51°W
- Elevation30 ft (9 m)
- Population40,191
- Jan 44° 28°
- Feb 47° 29°
- Mar 55° 35°
- Apr 66° 45°
- May 74° 54°
- Jun 83° 64°
- Jul 87° 69°
- Aug 85° 67°
- Sep 79° 61°
- Oct 69° 50°
- Nov 58° 39°
- Dec 49° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dover in July?
The normal high is 87°F and the normal low 69°F, for a daily mean of 77.9°F. July is 4.7°F warmer than June and 1.7°F warmer than August. July is the warmest month of the year in Dover and the 5th wettest. Across the month the normal high falls 1°F, from 87°F on July 1 to 86°F on July 31. From one year to the next July's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Julys in three average between 76°F and 80°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 87°F | 68°F | 28% | 21% |
| July 8 | 87°F | 69°F | 28% | 20% |
| July 15 | 87°F | 69°F | 28% | 20% |
| July 22 | 87°F | 69°F | 29% | 20% |
| July 31 | 86°F | 69°F | 29% | 20% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 9, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 87°F | 68°F | 28% | 21% | 14 h 50 min |
| July 2 | 87°F | 68°F | 28% | 21% | 14 h 50 min |
| July 3 | 87°F | 68°F | 28% | 21% | 14 h 50 min |
| July 4 | 87°F | 68°F | 28% | 21% | 14 h 50 min |
| July 5 | 87°F | 69°F | 28% | 21% | 14 h 50 min |
| July 6 | 87°F | 69°F | 28% | 20% | 14 h 50 min |
| July 7 | 87°F | 69°F | 28% | 20% | 14 h 50 min |
| July 8 | 87°F | 69°F | 28% | 20% | 14 h 50 min |
| July 9 | 87°F | 69°F | 28% | 20% | 14 h 50 min |
| July 10 | 87°F | 69°F | 28% | 20% | 14 h 50 min |
| July 11 | 87°F | 69°F | 28% | 20% | 14 h 50 min |
| July 12 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 13 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 14 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 15 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 16 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 17 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 18 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 19 | 87°F | 69°F | 28% | 20% | 14 h 40 min |
| July 20 | 87°F | 69°F | 29% | 20% | 14 h 30 min |
| July 21 | 87°F | 69°F | 29% | 20% | 14 h 30 min |
| July 22 | 87°F | 69°F | 29% | 20% | 14 h 30 min |
| July 23 | 87°F | 69°F | 29% | 20% | 14 h 30 min |
| July 24 | 87°F | 69°F | 29% | 21% | 14 h 30 min |
| July 25 | 87°F | 69°F | 29% | 21% | 14 h 30 min |
| July 26 | 87°F | 69°F | 29% | 21% | 14 h 20 min |
| July 27 | 87°F | 69°F | 29% | 21% | 14 h 20 min |
| July 28 | 87°F | 69°F | 29% | 21% | 14 h 20 min |
| July 29 | 87°F | 69°F | 29% | 21% | 14 h 20 min |
| July 30 | 86°F | 69°F | 29% | 20% | 14 h 20 min |
| July 31 | 86°F | 69°F | 29% | 20% | 14 h 20 min |
- Normal high
- 87°FJuly average
- Normal low
- 69°FJuly average
- Precipitation
- 4.14 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 14 h 50 min to 14 h 20 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 28
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00072730; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Dover in July?
On a given July day the chance of 0.01 inch or more is 28% on average, highest around July 26 (29%). In all, 4.14 in falls on 9 days of a normal July, 1 of them with an inch or more.
In a normal July in Dover, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00072730.
What are the records for July in Dover?
The warmest July temperature on this station's record (since 1893) is 104°F, on July 21, 1930; the coldest is 45°F, on July 9, 1963. The wettest July brought 14.24 in (1975).
The July mean against the 1991-2020 normal of 77.9°F: 2022 80.5°F (+2.6), 2023 79.5°F (+1.6), 2024 80.3°F (+2.4), 2025 80.8°F (+2.9), 2026 80.0°F (+2.1). 5 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 80.5°F | +2.6°F | 4.76 in |
| 2023 | 79.5°F | +1.6°F | 6.11 in |
| 2024 | 80.3°F | +2.4°F | 5.08 in |
| 2025 | 80.8°F | +2.9°F | 7.67 in |
| 2026 | 80.0°F | +2.1°F | 4.04 in |
Source: records: ACIS, station USC00072730; recent months: ACIS, station USC00072730. Records and recent months use complete months only.
How does July in Dover compare across Delaware?
Across the 6 places PlainClimate covers in Delaware, July normal highs run from 87°F in Greenwood to 89°F in Newark; Dover's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.