Salem weather in August
In August, Salem sees average daytime highs of 77°F and overnight lows near 64°F, with 3.3 in of rain across 9 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.
Highs ease over the month, from about 78°F in the first days to 75°F by the end. The sky is clear or mostly clear about 35% 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 Salem's 3rd-clearest and 12th-windiest month. For the whole year in context, see Salem's year-round climate.
- Daytime high
- 77°
- 2nd warmest
- Overnight low
- 64°
- 11th coldest
- Rainfall
- 3.3 in
- 9 wet days
- Daylight
- 13 h 42 min
- 4:55 AM – 6:40 PM
- Cloud cover
- 55%
- 3rd clearest
- Wind
- 7 mph
- 12th windiest
- Solar energy
- 5.3 kWh/m²
- Travel score
- 7.1
- out of 10
Salem is city in Massachusetts, United States.
- Density
- 904/km²
- people per km²
- Founded
- 1626
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 78°F in the first days to 75°F by the end.
A typical August day in Salem reaches about 77°F in the afternoon and slips back to 64°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 84°F. Set against its neighbours, August runs on par with July and about 6°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) | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 |
| Avg low (°F) | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 78 | 66 |
| 2 | 78 | 66 |
| 3 | 78 | 66 |
| 4 | 78 | 65 |
| 5 | 78 | 65 |
| 6 | 78 | 65 |
| 7 | 78 | 65 |
| 8 | 78 | 65 |
| 9 | 77 | 65 |
| 10 | 77 | 65 |
| 11 | 77 | 65 |
| 12 | 77 | 65 |
| 13 | 77 | 65 |
| 14 | 77 | 65 |
| 15 | 77 | 65 |
| 16 | 77 | 64 |
| 17 | 77 | 64 |
| 18 | 76 | 64 |
| 19 | 76 | 64 |
| 20 | 76 | 64 |
| 21 | 76 | 64 |
| 22 | 76 | 64 |
| 23 | 76 | 63 |
| 24 | 76 | 63 |
| 25 | 76 | 63 |
| 26 | 76 | 63 |
| 27 | 75 | 63 |
| 28 | 75 | 62 |
| 29 | 75 | 62 |
| 30 | 75 | 62 |
| 31 | 75 | 62 |
How August really feels in Salem
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.
Salem weather by month
How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-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° / 23° | 3.6 | 10 | 5.8 | 9.2 | 0.0 |
| Feb | 37° / 24° | 3.3 | 9 | 5.3 | 10.3 | 0.0 |
| Mar | 43° / 31° | 4.5 | 11.3 | 4.5 | 11.6 | 0.6 |
| Apr | 53° / 40° | 4.1 | 10.7 | 1.1 | 13.1 | 3.0 |
| May | 63° / 49° | 3.3 | 10.7 | 0 | 14.4 | 5.3 |
| Jun | 72° / 59° | 3.5 | 10.3 | 0 | 15.1 | 6.5 |
| Jul | 78° / 65° | 2.9 | 9.9 | 0 | 14.8 | 6.8 |
| Aug | 77° / 64° | 3.3 | 9 | 0 | 13.7 | 7.1 |
| Sep | 70° / 58° | 3.4 | 8.2 | 0 | 12.3 | 6.9 |
| Oct | 60° / 47° | 4.3 | 10.1 | 0.2 | 10.8 | 4.9 |
| Nov | 50° / 38° | 3.8 | 9.6 | 0.8 | 9.6 | 2.2 |
| Dec | 40° / 29° | 4.5 | 10.5 | 4.5 | 8.9 | 0.2 |
Cloud cover in August
The sky is clear or mostly clear about 35% 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 45%. 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 (%) | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 55 | 56 | 56 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 58 | 58 |
| Cloudier (%) | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 47 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 44 | 44 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 42 | 42 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 54 | 46 |
| 2 | 55 | 45 |
| 3 | 55 | 45 |
| 4 | 55 | 45 |
| 5 | 55 | 45 |
| 6 | 55 | 45 |
| 7 | 55 | 45 |
| 8 | 53 | 47 |
| 9 | 53 | 47 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 52 | 48 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 53 | 47 |
| 17 | 53 | 47 |
| 18 | 54 | 46 |
| 19 | 54 | 46 |
| 20 | 55 | 45 |
| 21 | 56 | 44 |
| 22 | 56 | 44 |
| 23 | 58 | 42 |
| 24 | 58 | 42 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 58 | 42 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 58 | 42 |
| 31 | 58 | 42 |
Chance of precipitation in August
Salem gets around 3.3 in of rain over 9 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 29% and peaks near 33% 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 (%) | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 |
| Rain chance (%) | |
|---|---|
| 1 | 33 |
| 2 | 33 |
| 3 | 33 |
| 4 | 32 |
| 5 | 32 |
| 6 | 32 |
| 7 | 32 |
| 8 | 32 |
| 9 | 32 |
| 10 | 32 |
| 11 | 32 |
| 12 | 32 |
| 13 | 31 |
| 14 | 31 |
| 15 | 30 |
| 16 | 30 |
| 17 | 29 |
| 18 | 29 |
| 19 | 28 |
| 20 | 28 |
| 21 | 27 |
| 22 | 27 |
| 23 | 26 |
| 24 | 26 |
| 25 | 26 |
| 26 | 26 |
| 27 | 26 |
| 28 | 25 |
| 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 30% of days. Sticky, muggy-or-worse air turns up on roughly 29% 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 (%) | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| Comfortable (%) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 31 |
| Humid (%) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 25 |
| Muggy (%) | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 |
| Oppressive (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 9 | 22 | 31 | 32 | 6 |
| 2 | 10 | 22 | 31 | 32 | 6 |
| 3 | 10 | 22 | 31 | 32 | 6 |
| 4 | 10 | 22 | 31 | 31 | 6 |
| 5 | 11 | 22 | 31 | 31 | 6 |
| 6 | 11 | 22 | 31 | 30 | 6 |
| 7 | 11 | 22 | 31 | 30 | 6 |
| 8 | 11 | 22 | 31 | 29 | 6 |
| 9 | 11 | 22 | 32 | 29 | 6 |
| 10 | 12 | 22 | 32 | 28 | 6 |
| 11 | 12 | 23 | 32 | 28 | 6 |
| 12 | 12 | 23 | 32 | 27 | 5 |
| 13 | 13 | 23 | 32 | 27 | 5 |
| 14 | 13 | 24 | 32 | 26 | 5 |
| 15 | 13 | 24 | 33 | 26 | 5 |
| 16 | 13 | 24 | 33 | 25 | 4 |
| 17 | 13 | 25 | 33 | 25 | 4 |
| 18 | 14 | 25 | 33 | 25 | 4 |
| 19 | 14 | 26 | 32 | 24 | 3 |
| 20 | 15 | 26 | 32 | 24 | 3 |
| 21 | 16 | 27 | 31 | 23 | 3 |
| 22 | 16 | 28 | 30 | 23 | 3 |
| 23 | 17 | 28 | 30 | 22 | 2 |
| 24 | 18 | 29 | 29 | 21 | 2 |
| 25 | 19 | 30 | 28 | 21 | 2 |
| 26 | 20 | 30 | 27 | 20 | 2 |
| 27 | 21 | 31 | 27 | 19 | 2 |
| 28 | 22 | 31 | 26 | 19 | 2 |
| 29 | 23 | 31 | 26 | 18 | 2 |
| 30 | 24 | 31 | 25 | 18 | 2 |
| 31 | 25 | 31 | 25 | 18 | 2 |
Wind in August
Winds average 7 mph in August, the calmest month.
Across August, daily wind ranges from about 7 mph on the calmest days to 8 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 |
| 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 | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | light breeze |
| 29 | 7 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
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 4:39 AM to 5:12 AM, and sunset from 7:00 PM to 6:15 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) | 4:39 | 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 |
| Sunset (PM) | 7:00 | 6:59 | 6:58 | 6:56 | 6:55 | 6:54 | 6:53 | 6:51 | 6:50 | 6:49 | 6:47 | 6:46 | 6:44 | 6:43 | 6:41 | 6:40 | 6:38 | 6:37 | 6:35 | 6:34 | 6:32 | 6:31 | 6:29 | 6:27 | 6:26 | 6:24 | 6:22 | 6:21 | 6:19 | 6:17 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 4:39 | 7:00 |
| 2 | 14.3 | 4:40 | 6:59 |
| 3 | 14.3 | 4:41 | 6:58 |
| 4 | 14.2 | 4:42 | 6:56 |
| 5 | 14.2 | 4:44 | 6:55 |
| 6 | 14.2 | 4:45 | 6:54 |
| 7 | 14.1 | 4:46 | 6:53 |
| 8 | 14.1 | 4:47 | 6:51 |
| 9 | 14.0 | 4:48 | 6:50 |
| 10 | 14.0 | 4:49 | 6:49 |
| 11 | 14.0 | 4:50 | 6:47 |
| 12 | 13.9 | 4:51 | 6:46 |
| 13 | 13.9 | 4:52 | 6:44 |
| 14 | 13.8 | 4:53 | 6:43 |
| 15 | 13.8 | 4:54 | 6:41 |
| 16 | 13.7 | 4:55 | 6:40 |
| 17 | 13.7 | 4:56 | 6:38 |
| 18 | 13.7 | 4:58 | 6:37 |
| 19 | 13.6 | 4:59 | 6:35 |
| 20 | 13.6 | 5:00 | 6:34 |
| 21 | 13.5 | 5:01 | 6:32 |
| 22 | 13.5 | 5:02 | 6:31 |
| 23 | 13.4 | 5:03 | 6:29 |
| 24 | 13.4 | 5:04 | 6:27 |
| 25 | 13.3 | 5:05 | 6:26 |
| 26 | 13.3 | 5:06 | 6:24 |
| 27 | 13.2 | 5:07 | 6:22 |
| 28 | 13.2 | 5:09 | 6:21 |
| 29 | 13.2 | 5:10 | 6:19 |
| 30 | 13.1 | 5:11 | 6:17 |
| 31 | 13.1 | 5:12 | 6:15 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².
For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 5.97 kWh/m² in July across the year — August's 5.3 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) | 5.6 | 5.6 | 5.5 | 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 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 |
| 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 | 5.6 | Bright |
| 2 | 5.6 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 5.0 | Bright |
| 30 | 4.9 | Bright |
| 31 | 4.9 | Bright |
Hazard calendar for Salem
In August, Salem sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Salem sits in the Atlantic hurricane belt; the season peaks August–October.
Is August a good time to visit Salem?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Salem for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Salem in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Salem sees daytime highs around 77°F and nights near 64°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.
Sea temperature near Salem 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 10 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 Salem 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 Salem 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 Salem 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 Salem 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 Salem?
Salem sits at 42.5°N, 70.9°W, 20 ft above sea level, in United States. The nearest listed city is Peabody, 1.9 mi away.
Topography around Salem
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Salem.
Within 2 miles, the terrain around Salem has only modest variations in elevation — a maximum elevation change of 177 ft around an average of 43 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 397 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,539 ft.
The land around Salem is covered by trees (37%), artificial surfaces (29%) and water (26%) within 2 miles, trees (43%) and water (40%) within 10 miles, and trees (57%) and water (35%) 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 Salem (42.5198°, -70.8955°, elevation 20 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).