Wilmington weather in August
In August, Wilmington sees average daytime highs of 80°F and overnight lows near 63°F, with 3.4 in of rain across 9.5 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.
Highs ease over the month, from about 82°F in the first days to 79°F by the end. The sky is clear or mostly clear about 32% of the time in August, and the air most often feels humid.
Daylight stretches from about 14 h 18 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Wilmington's 3rd-clearest and 12th-windiest month. For the whole year in context, see Wilmington's year-round climate.
- Daytime high
- 80°
- 2nd warmest
- Overnight low
- 63°
- 11th coldest
- Rainfall
- 3.4 in
- 9.5 wet days
- Daylight
- 13 h 42 min
- 4:56 AM – 6:41 PM
- Cloud cover
- 56%
- 3rd clearest
- Wind
- 6 mph
- 12th windiest
- Solar energy
- 5.24 kWh/m²
- Travel score
- 6.6
- out of 10
Wilmington is town in Middlesex County, Massachusetts, USA.
- Density
- 502/km²
- people per km²
- Founded
- 1665
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 82°F in the first days to 79°F by the end.
A typical August day in Wilmington reaches about 80°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 89°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 79 | 79 | 79 | 78 | 78 |
| Avg low (°F) | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 60 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 82 | 65 |
| 2 | 82 | 65 |
| 3 | 82 | 65 |
| 4 | 82 | 65 |
| 5 | 82 | 65 |
| 6 | 82 | 65 |
| 7 | 82 | 64 |
| 8 | 82 | 64 |
| 9 | 81 | 64 |
| 10 | 81 | 64 |
| 11 | 81 | 64 |
| 12 | 81 | 64 |
| 13 | 81 | 64 |
| 14 | 81 | 64 |
| 15 | 81 | 64 |
| 16 | 80 | 63 |
| 17 | 80 | 63 |
| 18 | 80 | 63 |
| 19 | 80 | 63 |
| 20 | 80 | 63 |
| 21 | 80 | 62 |
| 22 | 80 | 62 |
| 23 | 80 | 62 |
| 24 | 80 | 62 |
| 25 | 79 | 62 |
| 26 | 79 | 62 |
| 27 | 79 | 61 |
| 28 | 79 | 61 |
| 29 | 79 | 61 |
| 30 | 78 | 61 |
| 31 | 78 | 60 |
How August really feels in Wilmington
Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Wilmington weather by month
How August compares with the rest of the year at a glance. August is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 35° / 21° | 3.3 | 9.6 | 6.2 | 9.2 | 0.0 |
| Feb | 38° / 22° | 3.0 | 8.6 | 5.7 | 10.3 | 0.0 |
| Mar | 45° / 30° | 4.2 | 11 | 4.9 | 11.6 | 1.0 |
| Apr | 57° / 40° | 3.7 | 10.6 | 1.2 | 13.1 | 3.9 |
| May | 67° / 49° | 3.1 | 10.5 | 0 | 14.4 | 6.0 |
| Jun | 76° / 59° | 3.4 | 10.7 | 0 | 15.1 | 6.5 |
| Jul | 82° / 65° | 3.1 | 10.3 | 0 | 14.8 | 6.1 |
| Aug | 80° / 63° | 3.4 | 9.5 | 0 | 13.7 | 6.6 |
| Sep | 73° / 56° | 3.3 | 8.3 | 0 | 12.3 | 7.0 |
| Oct | 62° / 45° | 3.8 | 9.5 | 0.2 | 10.8 | 5.3 |
| Nov | 50° / 35° | 3.4 | 9.3 | 1.1 | 9.6 | 2.3 |
| Dec | 40° / 27° | 4.2 | 10.3 | 4.7 | 8.9 | 0.2 |
Cloud cover in August
The sky is clear or mostly clear about 32% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 51 | 52 | 52 | 52 | 51 | 51 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 48 | 49 | 50 | 50 | 51 | 52 | 53 | 53 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 55 | 55 |
| Cloudier (%) | 49 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 52 | 51 | 50 | 50 | 49 | 48 | 47 | 47 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 45 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 51 | 49 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 52 | 48 |
| 5 | 51 | 49 |
| 6 | 51 | 49 |
| 7 | 51 | 49 |
| 8 | 51 | 49 |
| 9 | 50 | 50 |
| 10 | 50 | 50 |
| 11 | 49 | 51 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 48 | 52 |
| 15 | 49 | 51 |
| 16 | 50 | 50 |
| 17 | 50 | 50 |
| 18 | 51 | 49 |
| 19 | 52 | 48 |
| 20 | 53 | 47 |
| 21 | 53 | 47 |
| 22 | 55 | 45 |
| 23 | 55 | 45 |
| 24 | 55 | 45 |
| 25 | 56 | 44 |
| 26 | 56 | 44 |
| 27 | 56 | 44 |
| 28 | 56 | 44 |
| 29 | 56 | 44 |
| 30 | 55 | 45 |
| 31 | 55 | 45 |
Chance of precipitation in August
Wilmington gets around 3.4 in of rain over 9.5 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 31% and peaks near 35% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 35 |
| 3 | 35 |
| 4 | 34 |
| 5 | 34 |
| 6 | 34 |
| 7 | 34 |
| 8 | 34 |
| 9 | 34 |
| 10 | 34 |
| 11 | 34 |
| 12 | 34 |
| 13 | 34 |
| 14 | 33 |
| 15 | 33 |
| 16 | 32 |
| 17 | 32 |
| 18 | 31 |
| 19 | 30 |
| 20 | 30 |
| 21 | 29 |
| 22 | 28 |
| 23 | 28 |
| 24 | 27 |
| 25 | 26 |
| 26 | 26 |
| 27 | 26 |
| 28 | 26 |
| 29 | 26 |
| 30 | 26 |
| 31 | 26 |
Humidity in August
Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 31 |
| Comfortable (%) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 |
| Humid (%) | 30 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 |
| Muggy (%) | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 15 | 15 |
| Oppressive (%) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 15 | 21 | 30 | 26 | 9 |
| 2 | 15 | 21 | 30 | 26 | 9 |
| 3 | 16 | 21 | 30 | 25 | 9 |
| 4 | 16 | 21 | 29 | 25 | 9 |
| 5 | 16 | 21 | 29 | 24 | 9 |
| 6 | 16 | 21 | 30 | 24 | 9 |
| 7 | 17 | 21 | 30 | 24 | 9 |
| 8 | 17 | 21 | 30 | 24 | 9 |
| 9 | 17 | 22 | 30 | 23 | 9 |
| 10 | 17 | 22 | 29 | 23 | 8 |
| 11 | 17 | 22 | 29 | 23 | 8 |
| 12 | 18 | 22 | 29 | 23 | 8 |
| 13 | 18 | 23 | 29 | 23 | 7 |
| 14 | 18 | 23 | 29 | 23 | 7 |
| 15 | 18 | 24 | 29 | 22 | 6 |
| 16 | 18 | 25 | 29 | 22 | 6 |
| 17 | 19 | 25 | 29 | 22 | 6 |
| 18 | 19 | 26 | 28 | 22 | 5 |
| 19 | 20 | 26 | 28 | 21 | 5 |
| 20 | 21 | 27 | 27 | 21 | 4 |
| 21 | 22 | 27 | 27 | 21 | 4 |
| 22 | 23 | 27 | 26 | 20 | 4 |
| 23 | 24 | 28 | 25 | 19 | 4 |
| 24 | 25 | 28 | 24 | 19 | 4 |
| 25 | 26 | 28 | 24 | 18 | 4 |
| 26 | 27 | 29 | 23 | 17 | 4 |
| 27 | 28 | 29 | 23 | 16 | 4 |
| 28 | 29 | 29 | 22 | 16 | 4 |
| 29 | 30 | 29 | 22 | 16 | 4 |
| 30 | 31 | 29 | 22 | 15 | 4 |
| 31 | 31 | 29 | 21 | 15 | 4 |
Wind in August
Winds average 6 mph in August, the calmest month.
Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in August
Daylight runs from about 14 h 18 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over August. Sunrise moves from 4:40 AM to 5:13 AM, and sunset from 7:01 PM to 6:17 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 |
| Sunrise (AM) | 4:40 | 4:41 | 4:42 | 4:44 | 4:45 | 4:46 | 4:47 | 4:48 | 4:49 | 4:50 | 4:51 | 4:52 | 4:53 | 4:54 | 4:55 | 4:56 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 |
| Sunset (PM) | 7:01 | 7:00 | 6:59 | 6:58 | 6:56 | 6:55 | 6:54 | 6:52 | 6:51 | 6:50 | 6:48 | 6:47 | 6:46 | 6:44 | 6:43 | 6:41 | 6:40 | 6:38 | 6:37 | 6:35 | 6:33 | 6:32 | 6:30 | 6:28 | 6:27 | 6:25 | 6:23 | 6:22 | 6:20 | 6:18 | 6:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 4:40 | 7:01 |
| 2 | 14.3 | 4:41 | 7:00 |
| 3 | 14.3 | 4:42 | 6:59 |
| 4 | 14.2 | 4:44 | 6:58 |
| 5 | 14.2 | 4:45 | 6:56 |
| 6 | 14.2 | 4:46 | 6:55 |
| 7 | 14.1 | 4:47 | 6:54 |
| 8 | 14.1 | 4:48 | 6:52 |
| 9 | 14.0 | 4:49 | 6:51 |
| 10 | 14.0 | 4:50 | 6:50 |
| 11 | 14.0 | 4:51 | 6:48 |
| 12 | 13.9 | 4:52 | 6:47 |
| 13 | 13.9 | 4:53 | 6:46 |
| 14 | 13.8 | 4:54 | 6:44 |
| 15 | 13.8 | 4:55 | 6:43 |
| 16 | 13.7 | 4:56 | 6:41 |
| 17 | 13.7 | 4:58 | 6:40 |
| 18 | 13.7 | 4:59 | 6:38 |
| 19 | 13.6 | 5:00 | 6:37 |
| 20 | 13.6 | 5:01 | 6:35 |
| 21 | 13.5 | 5:02 | 6:33 |
| 22 | 13.5 | 5:03 | 6:32 |
| 23 | 13.4 | 5:04 | 6:30 |
| 24 | 13.4 | 5:05 | 6:28 |
| 25 | 13.3 | 5:06 | 6:27 |
| 26 | 13.3 | 5:07 | 6:25 |
| 27 | 13.2 | 5:09 | 6:23 |
| 28 | 13.2 | 5:10 | 6:22 |
| 29 | 13.2 | 5:11 | 6:20 |
| 30 | 13.1 | 5:12 | 6:18 |
| 31 | 13.1 | 5:13 | 6:17 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.24 kWh/m².
For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 5.9 kWh/m² in July across the year — August's 5.24 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.3 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.9 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Wilmington
In August, Wilmington sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Wilmington sits in the Atlantic hurricane belt; the season peaks August–October.
Is August a good time to visit Wilmington?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Wilmington for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Wilmington in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Wilmington sees daytime highs around 80°F and nights near 63°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.
Sea temperature near Wilmington in August
The nearest coast averages about 66°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 mi away) is warmest in August at about 66°F and coldest in February near 38°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 41 | 38 | 38 | 42 | 50 | 58 | 65 | 66 | 63 | 56 | 50 | 46 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 41 | Bracing |
| Feb | 38 | Bracing |
| Mar | 38 | Bracing |
| Apr | 42 | Bracing |
| May | 50 | Bracing |
| Jun | 58 | Bracing |
| Jul | 65 | Cool |
| Aug | 66 | Cool |
| Sep | 63 | Cool |
| Oct | 56 | Bracing |
| Nov | 50 | Bracing |
| Dec | 46 | Bracing |
UV index in Wilmington in August
Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Wilmington peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 4 | 5 | 7 | 7 | 7 | 5 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Moderate | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | Very high |
| Jun | 7 | Very high |
| Jul | 7 | Very high |
| Aug | 5 | Moderate |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Wilmington in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Wilmington is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 13 | 13 | 13 | 14 | 13 | 16 | 14 | 11 | 9 | 8 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 16 | Moderate |
| Aug | 14 | Moderate |
| Sep | 11 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 9 | Good |
Where is Wilmington?
Wilmington sits at 42.5°N, 71.2°W, 89 ft above sea level, in United States. The nearest listed city is Burlington, 3.1 mi away.
Topography around Wilmington
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Wilmington.
Within 2 miles, the terrain around Wilmington has only modest variations in elevation — a maximum elevation change of 190 ft around an average of 128 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 548 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,329 ft.
The land around Wilmington is covered by trees (83%) within 2 miles, trees (78%) within 10 miles, and trees (67%) and water (25%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Wilmington (42.5465°, -71.1737°, elevation 89 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).