Lewes weather in July: Lewes, Delaware: normal highs, lows, rain and records for July
Lewes in July has a normal high of 88°F and a normal low of 71°F, a daily mean of 79°F, holding near 88°F all month. Measurable precipitation falls on 10 days in a normal July, 4.95 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 21°C, 126 mm of precipitation in July.
- NOAA stationLewes
- Station IDUSC00075320
- Location38.78°N 75.16°W
- Elevation10 ft (3 m)
- Population3,702
- Jan 46° 30°
- Feb 48° 32°
- Mar 55° 38°
- Apr 66° 46°
- May 75° 56°
- Jun 83° 66°
- Jul 88° 71°
- Aug 86° 69°
- Sep 80° 64°
- Oct 69° 52°
- Nov 59° 42°
- Dec 50° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lewes in July?
The normal high is 88°F and the normal low 71°F, for a daily mean of 79.2°F. July is 4.7°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Lewes and the wettest. From one year to the next July's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Julys in three average between 77°F and 81°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 87°F | 70°F | 31% | 21% |
| July 8 | 88°F | 71°F | 31% | 21% |
| July 15 | 88°F | 71°F | 32% | 21% |
| July 22 | 88°F | 71°F | 33% | 21% |
| July 31 | 87°F | 70°F | 34% | 22% |
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 | 70°F | 31% | 21% | 14 h 50 min |
| July 2 | 88°F | 70°F | 31% | 21% | 14 h 50 min |
| July 3 | 88°F | 70°F | 31% | 21% | 14 h 50 min |
| July 4 | 88°F | 70°F | 31% | 21% | 14 h 50 min |
| July 5 | 88°F | 70°F | 31% | 21% | 14 h 50 min |
| July 6 | 88°F | 71°F | 31% | 21% | 14 h 50 min |
| July 7 | 88°F | 71°F | 31% | 21% | 14 h 50 min |
| July 8 | 88°F | 71°F | 31% | 21% | 14 h 50 min |
| July 9 | 88°F | 71°F | 32% | 21% | 14 h 50 min |
| July 10 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 11 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 12 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 13 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 14 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 15 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 16 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 17 | 88°F | 71°F | 32% | 21% | 14 h 40 min |
| July 18 | 88°F | 71°F | 33% | 21% | 14 h 30 min |
| July 19 | 88°F | 71°F | 33% | 21% | 14 h 30 min |
| July 20 | 88°F | 71°F | 33% | 21% | 14 h 30 min |
| July 21 | 88°F | 71°F | 33% | 21% | 14 h 30 min |
| July 22 | 88°F | 71°F | 33% | 21% | 14 h 30 min |
| July 23 | 88°F | 71°F | 34% | 21% | 14 h 30 min |
| July 24 | 88°F | 71°F | 34% | 22% | 14 h 30 min |
| July 25 | 87°F | 71°F | 34% | 22% | 14 h 20 min |
| July 26 | 87°F | 71°F | 34% | 22% | 14 h 20 min |
| July 27 | 87°F | 71°F | 34% | 22% | 14 h 20 min |
| July 28 | 87°F | 70°F | 34% | 22% | 14 h 20 min |
| July 29 | 87°F | 70°F | 34% | 22% | 14 h 20 min |
| July 30 | 87°F | 70°F | 34% | 22% | 14 h 20 min |
| July 31 | 87°F | 70°F | 34% | 22% | 14 h 10 min |
- Normal high
- 88°FJuly average
- Normal low
- 71°FJuly average
- Precipitation
- 4.95 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 12
- Daylight
- 14 h 50 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 28
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00075320; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lewes in July?
On a given July day the chance of 0.01 inch or more is 32% on average, highest around July 28 (34%). In all, 4.95 in falls on 10 days of a normal July, 2 of them with an inch or more.
In a normal July in Lewes, 12 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00075320.
What are the records for July in Lewes?
The warmest July temperature on this station's record (since 1945) is 101°F, on July 15, 1995; the coldest is 47°F, on July 2, 1952. The wettest July brought 11.26 in (1989).
The July mean against the 1991-2020 normal of 79.2°F: 2021 77.7°F (−1.5), 2022 78.3°F (−0.9), 2023 78.7°F (−0.5), 2024 78.3°F (−0.9), 2025 79.1°F (−0.1). 0 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 77.7°F | −1.5°F | 3.53 in |
| 2022 | 78.3°F | −0.9°F | 2.82 in |
| 2023 | 78.7°F | −0.5°F | 4.46 in |
| 2024 | 78.3°F | −0.9°F | 6.63 in |
| 2025 | 79.1°F | −0.1°F | 7.79 in |
Source: records: ACIS, station USC00075320; recent months: ACIS, station USC00075320. Records and recent months use complete months only.
How does July in Lewes 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; Lewes's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.