Sebastian weather in July
In July, Sebastian sees average daytime highs of 89°F and overnight lows near 77°F, with 6.7 in of rain across 23.2 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 89°F through the month. The sky is clear or mostly clear about 18% of the time in July, and the air most often feels oppressive.
Daylight stretches from about 13 h 42 min at the start of July to 13 h 24 min by month's end. Set against the rest of the year, July is Sebastian's 10th-clearest and 12th-windiest month. For the whole year in context, see Sebastian's year-round climate.
- Daytime high
- 89°
- 1st warmest
- Overnight low
- 77°
- 11th coldest
- Rainfall
- 6.7 in
- 23.2 wet days
- Daylight
- 13 h 36 min
- 5:39 AM – 7:16 PM
- Cloud cover
- 68%
- 10th clearest
- Wind
- 5 mph
- 12th windiest
- Solar energy
- 6.18 kWh/m²
- Travel score
- 2.8
- out of 10
Sebastian is city in Indian River County, State of Florida, United States.
- Density
- 637/km²
- people per km²
- Founded
- 1882
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 89°F through the month.
A typical July day in Sebastian reaches about 89°F in the afternoon and slips back to 77°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 86°F and 93°F. Set against its neighbours, July runs on par with June and on par with August.
| 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) | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Avg low (°F) | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 89 | 76 |
| 2 | 89 | 76 |
| 3 | 89 | 76 |
| 4 | 89 | 76 |
| 5 | 89 | 76 |
| 6 | 89 | 76 |
| 7 | 89 | 76 |
| 8 | 89 | 76 |
| 9 | 89 | 76 |
| 10 | 89 | 76 |
| 11 | 89 | 76 |
| 12 | 89 | 77 |
| 13 | 89 | 77 |
| 14 | 89 | 77 |
| 15 | 89 | 77 |
| 16 | 89 | 77 |
| 17 | 89 | 77 |
| 18 | 89 | 77 |
| 19 | 89 | 77 |
| 20 | 89 | 77 |
| 21 | 89 | 77 |
| 22 | 89 | 77 |
| 23 | 89 | 77 |
| 24 | 90 | 77 |
| 25 | 90 | 77 |
| 26 | 90 | 77 |
| 27 | 90 | 77 |
| 28 | 90 | 77 |
| 29 | 90 | 77 |
| 30 | 90 | 77 |
| 31 | 90 | 77 |
How July really feels in Sebastian
Once humidity and wind are folded in, July averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sebastian weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 72° / 57° | 2.0 | 6.9 | 10.4 | 7.2 |
| Feb | 74° / 58° | 1.7 | 7 | 11 | 7.4 |
| Mar | 78° / 62° | 2.2 | 7.6 | 11.8 | 7.3 |
| Apr | 82° / 67° | 2.1 | 7.7 | 12.6 | 6.6 |
| May | 85° / 72° | 3.2 | 11.3 | 13.4 | 5.1 |
| Jun | 88° / 75° | 7.2 | 21.4 | 13.7 | 3.2 |
| Jul | 89° / 77° | 6.7 | 23.2 | 13.6 | 2.8 |
| Aug | 89° / 77° | 7.2 | 24.9 | 13 | 2.7 |
| Sep | 87° / 76° | 6.2 | 21.4 | 12.2 | 3.4 |
| Oct | 83° / 72° | 3.7 | 12.7 | 11.3 | 5.5 |
| Nov | 78° / 65° | 1.6 | 7.5 | 10.6 | 7.2 |
| Dec | 74° / 60° | 1.5 | 5.6 | 10.3 | 7.5 |
Cloud cover in July
The sky is clear or mostly clear about 18% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 64%.
| 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 (%) | 30 | 31 | 32 | 33 | 34 | 34 | 34 | 35 | 36 | 37 | 37 | 37 | 37 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 35 | 36 | 36 | 36 | 34 |
| Cloudier (%) | 70 | 69 | 68 | 67 | 66 | 66 | 66 | 65 | 64 | 63 | 63 | 63 | 63 | 64 | 64 | 63 | 63 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 64 | 64 | 65 | 64 | 64 | 64 | 66 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 30 | 70 |
| 2 | 31 | 69 |
| 3 | 32 | 68 |
| 4 | 33 | 67 |
| 5 | 34 | 66 |
| 6 | 34 | 66 |
| 7 | 34 | 66 |
| 8 | 35 | 65 |
| 9 | 36 | 64 |
| 10 | 37 | 63 |
| 11 | 37 | 63 |
| 12 | 37 | 63 |
| 13 | 37 | 63 |
| 14 | 36 | 64 |
| 15 | 36 | 64 |
| 16 | 37 | 63 |
| 17 | 37 | 63 |
| 18 | 38 | 62 |
| 19 | 38 | 62 |
| 20 | 38 | 62 |
| 21 | 38 | 62 |
| 22 | 37 | 63 |
| 23 | 37 | 63 |
| 24 | 37 | 63 |
| 25 | 36 | 64 |
| 26 | 36 | 64 |
| 27 | 35 | 65 |
| 28 | 36 | 64 |
| 29 | 36 | 64 |
| 30 | 36 | 64 |
| 31 | 34 | 66 |
Chance of precipitation in July
Sebastian gets around 6.7 in of rain over 23.2 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 75% and peaks near 79% on the wettest days.
| 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 (%) | 77 | 76 | 76 | 76 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | 78 | 78 | 79 | 79 |
| Rain chance (%) | |
|---|---|
| 1 | 77 |
| 2 | 76 |
| 3 | 76 |
| 4 | 76 |
| 5 | 75 |
| 6 | 75 |
| 7 | 74 |
| 8 | 74 |
| 9 | 74 |
| 10 | 73 |
| 11 | 73 |
| 12 | 73 |
| 13 | 73 |
| 14 | 73 |
| 15 | 73 |
| 16 | 74 |
| 17 | 74 |
| 18 | 74 |
| 19 | 74 |
| 20 | 75 |
| 21 | 75 |
| 22 | 75 |
| 23 | 76 |
| 24 | 76 |
| 25 | 77 |
| 26 | 77 |
| 27 | 78 |
| 28 | 78 |
| 29 | 78 |
| 30 | 79 |
| 31 | 79 |
Humidity in July
Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 84 | 84 | 84 | 83 | 83 | 82 | 82 | 81 | 80 | 80 | 79 | 78 | 78 | 77 | 77 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 72 | 72 | 71 | 70 |
| Miserable (%) | 14 | 14 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 29 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 84 | 14 |
| 2 | 2 | 84 | 14 |
| 3 | 2 | 84 | 14 |
| 4 | 2 | 83 | 15 |
| 5 | 2 | 83 | 15 |
| 6 | 2 | 82 | 16 |
| 7 | 1 | 82 | 17 |
| 8 | 1 | 81 | 18 |
| 9 | 1 | 80 | 19 |
| 10 | 1 | 80 | 19 |
| 11 | 1 | 79 | 20 |
| 12 | 1 | 78 | 21 |
| 13 | 1 | 78 | 21 |
| 14 | 1 | 77 | 22 |
| 15 | 1 | 77 | 22 |
| 16 | 1 | 76 | 23 |
| 17 | 1 | 76 | 23 |
| 18 | 1 | 76 | 23 |
| 19 | 1 | 75 | 24 |
| 20 | 1 | 75 | 24 |
| 21 | 1 | 75 | 24 |
| 22 | 1 | 75 | 24 |
| 23 | 1 | 75 | 24 |
| 24 | 1 | 75 | 24 |
| 25 | 1 | 74 | 25 |
| 26 | 1 | 74 | 25 |
| 27 | 1 | 73 | 26 |
| 28 | 1 | 72 | 27 |
| 29 | 1 | 72 | 27 |
| 30 | 1 | 71 | 28 |
| 31 | 1 | 70 | 29 |
Wind in July
Winds average 5 mph in July, the calmest month.
Across July, daily wind ranges from about 5 mph on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in July
Daylight runs from about 13 h 42 min at the start of July to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over July. Sunrise moves from 5:33 AM to 5:47 AM, and sunset from 7:17 PM to 7:09 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) | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 |
| Sunrise (AM) | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:46 | 5:46 | 5:47 | 5:47 |
| Sunset (PM) | 7:17 | 7:17 | 7:18 | 7:17 | 7:17 | 7:17 | 7:17 | 7:17 | 7:17 | 7:17 | 7:17 | 7:17 | 7:16 | 7:16 | 7:16 | 7:16 | 7:15 | 7:15 | 7:15 | 7:14 | 7:14 | 7:13 | 7:13 | 7:13 | 7:12 | 7:11 | 7:11 | 7:10 | 7:10 | 7:09 | 7:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.7 | 5:33 | 7:17 |
| 2 | 13.7 | 5:33 | 7:17 |
| 3 | 13.7 | 5:34 | 7:18 |
| 4 | 13.7 | 5:34 | 7:17 |
| 5 | 13.7 | 5:34 | 7:17 |
| 6 | 13.7 | 5:35 | 7:17 |
| 7 | 13.7 | 5:35 | 7:17 |
| 8 | 13.7 | 5:36 | 7:17 |
| 9 | 13.7 | 5:36 | 7:17 |
| 10 | 13.7 | 5:37 | 7:17 |
| 11 | 13.7 | 5:37 | 7:17 |
| 12 | 13.7 | 5:37 | 7:17 |
| 13 | 13.6 | 5:38 | 7:16 |
| 14 | 13.6 | 5:38 | 7:16 |
| 15 | 13.6 | 5:39 | 7:16 |
| 16 | 13.6 | 5:39 | 7:16 |
| 17 | 13.6 | 5:40 | 7:15 |
| 18 | 13.6 | 5:40 | 7:15 |
| 19 | 13.6 | 5:41 | 7:15 |
| 20 | 13.5 | 5:41 | 7:14 |
| 21 | 13.5 | 5:42 | 7:14 |
| 22 | 13.5 | 5:42 | 7:13 |
| 23 | 13.5 | 5:43 | 7:13 |
| 24 | 13.5 | 5:44 | 7:13 |
| 25 | 13.5 | 5:44 | 7:12 |
| 26 | 13.4 | 5:45 | 7:11 |
| 27 | 13.4 | 5:45 | 7:11 |
| 28 | 13.4 | 5:46 | 7:10 |
| 29 | 13.4 | 5:46 | 7:10 |
| 30 | 13.4 | 5:47 | 7:09 |
| 31 | 13.4 | 5:47 | 7:09 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.18 kWh/m².
For context, solar energy here swings from a low near 3.05 kWh/m² to a high of 6.39 kWh/m² in May across the year — July's 6.18 kWh/m² sits near the top of that range.
| 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) | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.2 | Intense |
| 10 | 6.2 | Intense |
| 11 | 6.2 | Intense |
| 12 | 6.2 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Bright |
Hazard calendar for Sebastian
In July, Sebastian sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Sebastian sits in the Atlantic hurricane belt; the season peaks August–October.
Sebastian's monsoon runs June–October, when most of the year's rain falls.
Is July a good time to visit Sebastian?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Sebastian.
What to pack for Sebastian in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Sebastian sees daytime highs around 89°F and nights near 77°F. Pack light clothes, rain gear and sun protection. About 23 days see rain.
Sea temperature near Sebastian in July
The nearest coast averages about 82°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 83°F and coldest in February near 70°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 70 | 70 | 71 | 74 | 77 | 80 | 82 | 82 | 83 | 81 | 76 | 73 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 70 | Refreshing |
| Feb | 70 | Refreshing |
| Mar | 71 | Refreshing |
| Apr | 74 | Refreshing |
| May | 77 | Warm |
| Jun | 80 | Warm |
| Jul | 82 | Warm |
| Aug | 82 | Warm |
| Sep | 83 | Tropical |
| Oct | 81 | Warm |
| Nov | 76 | Warm |
| Dec | 73 | Refreshing |
UV index in Sebastian in July
Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sebastian peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 9 | 8 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Sebastian in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Sebastian is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 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) | 6 | 7 | 9 | 10 | 10 | 14 | 17 | 15 | 10 | 8 | 6 | 6 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 9 | Good |
| Apr | 10 | Good |
| May | 10 | Good |
| Jun | 14 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 10 | Good |
| Oct | 8 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is Sebastian?
Sebastian sits at 27.8°N, 80.5°W, 20 ft above sea level, in United States. The nearest listed city is Vero Beach, 13 mi away.
Topography around Sebastian
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Sebastian.
Within 2 miles, the terrain around Sebastian has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 13 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 82 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 246 ft.
The land around Sebastian is covered by water (44%) and trees (28%) within 2 miles, water (45%), trees (28%) and grassland (21%) within 10 miles, and water (37%), grassland (32%) and trees (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 Sebastian (27.8164°, -80.4706°, 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).