Lewes weather in August: Lewes, Delaware: normal highs, lows, rain and records for August
Lewes in August has a normal high of 86°F and a normal low of 69°F, a daily mean of 77°F, falling from 87°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.31 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 21°C, 109 mm of precipitation in August.
- 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 August?
The normal high is 86°F and the normal low 69°F, for a daily mean of 77.3°F. August is 1.9°F cooler than July and 5.6°F warmer than September. August is the 2nd warmest month of the year in Lewes and the 4th wettest. Across the month the normal high falls 3°F, from 87°F on August 1 to 84°F on August 31. From one year to the next August's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 75°F and 79°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 |
|---|---|---|---|---|
| August 1 | 87°F | 70°F | 34% | 22% |
| August 8 | 86°F | 70°F | 33% | 21% |
| August 15 | 86°F | 69°F | 31% | 20% |
| August 22 | 85°F | 69°F | 29% | 19% |
| August 31 | 84°F | 68°F | 27% | 18% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 87°F | 70°F | 34% | 22% | 14 h 10 min |
| August 2 | 87°F | 70°F | 34% | 22% | 14 h 10 min |
| August 3 | 87°F | 70°F | 34% | 22% | 14 h 10 min |
| August 4 | 87°F | 70°F | 33% | 22% | 14 h 10 min |
| August 5 | 87°F | 70°F | 33% | 21% | 14 h |
| August 6 | 86°F | 70°F | 33% | 21% | 14 h |
| August 7 | 86°F | 70°F | 33% | 21% | 14 h |
| August 8 | 86°F | 70°F | 33% | 21% | 14 h |
| August 9 | 86°F | 70°F | 32% | 21% | 14 h |
| August 10 | 86°F | 70°F | 32% | 21% | 13 h 50 min |
| August 11 | 86°F | 70°F | 32% | 21% | 13 h 50 min |
| August 12 | 86°F | 70°F | 32% | 21% | 13 h 50 min |
| August 13 | 86°F | 70°F | 32% | 21% | 13 h 50 min |
| August 14 | 86°F | 69°F | 31% | 21% | 13 h 50 min |
| August 15 | 86°F | 69°F | 31% | 20% | 13 h 40 min |
| August 16 | 86°F | 69°F | 31% | 20% | 13 h 40 min |
| August 17 | 86°F | 69°F | 30% | 20% | 13 h 40 min |
| August 18 | 85°F | 69°F | 30% | 20% | 13 h 40 min |
| August 19 | 85°F | 69°F | 30% | 20% | 13 h 30 min |
| August 20 | 85°F | 69°F | 29% | 19% | 13 h 30 min |
| August 21 | 85°F | 69°F | 29% | 19% | 13 h 30 min |
| August 22 | 85°F | 69°F | 29% | 19% | 13 h 30 min |
| August 23 | 85°F | 69°F | 28% | 19% | 13 h 30 min |
| August 24 | 85°F | 69°F | 28% | 18% | 13 h 20 min |
| August 25 | 85°F | 69°F | 28% | 18% | 13 h 20 min |
| August 26 | 85°F | 69°F | 28% | 18% | 13 h 20 min |
| August 27 | 84°F | 68°F | 28% | 18% | 13 h 20 min |
| August 28 | 84°F | 68°F | 27% | 18% | 13 h 10 min |
| August 29 | 84°F | 68°F | 27% | 18% | 13 h 10 min |
| August 30 | 84°F | 68°F | 27% | 18% | 13 h 10 min |
| August 31 | 84°F | 68°F | 27% | 18% | 13 h 10 min |
- Normal high
- 86°FAugust average
- Normal low
- 69°FAugust average
- Precipitation
- 4.31 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 14 h 10 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 81%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 August?
On a given August day the chance of 0.01 inch or more is 30% on average, highest around August 1 (34%). In all, 4.31 in falls on 9 days of a normal August, 1 of them with an inch or more.
In a normal August in Lewes, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00075320.
What are the records for August in Lewes?
The warmest August temperature on this station's record (since 1945) is 101°F, on August 16, 1997; the coldest is 47°F, on August 30, 1986. The wettest August brought 13.73 in (1967).
The August mean against the 1991-2020 normal of 77.3°F: 2021 77.3°F (at normal), 2022 78.0°F (+0.7), 2023 75.8°F (−1.5), 2024 75.3°F (−2.0), 2025 72.0°F (−5.3), 2026 77.5°F (+0.2). 2 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 77.3°F | at normal | 7.09 in |
| 2022 | 78.0°F | +0.7°F | 0.81 in |
| 2023 | 75.8°F | −1.5°F | 2.55 in |
| 2024 | 75.3°F | −2.0°F | 0.64 in |
| 2025 | 72.0°F | −5.3°F | 0.86 in |
| 2026 | 77.5°F | +0.2°F | 5.61 in |
Source: records: ACIS, station USC00075320; recent months: ACIS, station USC00075320. Records and recent months use complete months only.
How does August in Lewes compare across Delaware?
Across the 6 places PlainClimate covers in Delaware, August normal highs run from 85°F in Wilmington to 87°F in Newark; Lewes's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.