Rockwall weather in June
In June, Rockwall sees average daytime highs of 89°F and overnight lows near 72°F, with 3.4 in of rain across 8.9 wet days and about 14.1 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.
Highs climb over the month, from about 87°F in the first days to 91°F by the end. The sky is clear or mostly clear about 44% of the time in June, and the air most often feels muggy.
Daylight stretches from about 14 hours at the start of June to 14 h 12 min by month's end. Set against the rest of the year, June is Rockwall's 6th-clearest and 9th-windiest month. For the whole year in context, see Rockwall's year-round climate.
- Daytime high
- 89°
- 3rd warmest
- Overnight low
- 72°
- 10th coldest
- Rainfall
- 3.4 in
- 8.9 wet days
- Daylight
- 14 h 12 min
- 5:21 AM – 7:31 PM
- Cloud cover
- 48%
- 6th clearest
- Wind
- 8 mph
- 9th windiest
- Solar energy
- 6.43 kWh/m²
- Travel score
- 4.3
- out of 10
Rockwall is city in and county seat of Rockwall County, Texas, United States.
- Density
- 582/km²
- people per km²
- Founded
- 1854
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 87°F in the first days to 91°F by the end.
A typical June day in Rockwall reaches about 89°F in the afternoon and slips back to 72°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 95°F. Set against its neighbours, June runs about 7°F warmer than May and about 4°F cooler than July.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 91 | 91 |
| Avg low (°F) | 69 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 86 | 69 |
| 2 | 86 | 70 |
| 3 | 87 | 70 |
| 4 | 87 | 70 |
| 5 | 87 | 70 |
| 6 | 87 | 71 |
| 7 | 87 | 71 |
| 8 | 88 | 71 |
| 9 | 88 | 71 |
| 10 | 88 | 71 |
| 11 | 88 | 72 |
| 12 | 89 | 72 |
| 13 | 89 | 72 |
| 14 | 89 | 72 |
| 15 | 89 | 73 |
| 16 | 89 | 73 |
| 17 | 89 | 73 |
| 18 | 90 | 73 |
| 19 | 90 | 73 |
| 20 | 90 | 73 |
| 21 | 90 | 73 |
| 22 | 90 | 74 |
| 23 | 90 | 74 |
| 24 | 91 | 74 |
| 25 | 91 | 74 |
| 26 | 91 | 74 |
| 27 | 91 | 74 |
| 28 | 91 | 74 |
| 29 | 91 | 74 |
| 30 | 91 | 74 |
How June really feels in Rockwall
Once humidity and wind are folded in, June averages 27 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 June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Rockwall weather by month
How June compares with the rest of the year at a glance. June is the 3rd-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 | 56° / 37° | 2.8 | 7.2 | 0.4 | 10.1 | 4.0 |
| Feb | 60° / 41° | 3.0 | 7.8 | 0.6 | 10.8 | 5.0 |
| Mar | 67° / 48° | 4.1 | 9.5 | 0.2 | 11.7 | 6.3 |
| Apr | 74° / 56° | 4.5 | 9.1 | 0 | 12.8 | 7.1 |
| May | 82° / 65° | 5.4 | 11.3 | 0 | 13.7 | 6.0 |
| Jun | 89° / 72° | 3.4 | 8.9 | 0 | 14.1 | 4.3 |
| Jul | 93° / 76° | 1.9 | 6.2 | 0 | 14 | 3.3 |
| Aug | 93° / 75° | 2.1 | 5.6 | 0 | 13.2 | 3.4 |
| Sep | 87° / 69° | 2.7 | 6.6 | 0 | 12.2 | 5.3 |
| Oct | 77° / 57° | 4.0 | 7.9 | 0 | 11.2 | 7.4 |
| Nov | 66° / 47° | 3.7 | 7.3 | 0.1 | 10.3 | 6.5 |
| Dec | 57° / 39° | 3.8 | 7.5 | 0.2 | 9.9 | 4.4 |
Cloud cover in June
The sky is clear or mostly clear about 44% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 36%. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 56 | 57 | 59 | 60 | 60 | 61 | 61 | 62 | 63 | 63 | 64 | 64 | 64 | 64 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 66 | 66 | 65 | 65 | 65 | 65 |
| Cloudier (%) | 44 | 43 | 41 | 40 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 34 | 34 | 35 | 35 | 35 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 56 | 44 |
| 2 | 57 | 43 |
| 3 | 59 | 41 |
| 4 | 60 | 40 |
| 5 | 60 | 40 |
| 6 | 61 | 39 |
| 7 | 61 | 39 |
| 8 | 62 | 38 |
| 9 | 63 | 37 |
| 10 | 63 | 37 |
| 11 | 64 | 36 |
| 12 | 64 | 36 |
| 13 | 64 | 36 |
| 14 | 64 | 36 |
| 15 | 66 | 34 |
| 16 | 66 | 34 |
| 17 | 66 | 34 |
| 18 | 66 | 34 |
| 19 | 66 | 34 |
| 20 | 66 | 34 |
| 21 | 66 | 34 |
| 22 | 66 | 34 |
| 23 | 65 | 35 |
| 24 | 65 | 35 |
| 25 | 66 | 34 |
| 26 | 66 | 34 |
| 27 | 65 | 35 |
| 28 | 65 | 35 |
| 29 | 65 | 35 |
| 30 | 65 | 35 |
Chance of precipitation in June
Rockwall gets around 3.4 in of rain over 8.9 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 30% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 35 | 35 | 34 | 34 | 33 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 35 |
| 3 | 34 |
| 4 | 34 |
| 5 | 33 |
| 6 | 32 |
| 7 | 32 |
| 8 | 32 |
| 9 | 31 |
| 10 | 31 |
| 11 | 31 |
| 12 | 31 |
| 13 | 31 |
| 14 | 31 |
| 15 | 30 |
| 16 | 30 |
| 17 | 30 |
| 18 | 29 |
| 19 | 29 |
| 20 | 29 |
| 21 | 29 |
| 22 | 28 |
| 23 | 28 |
| 24 | 28 |
| 25 | 28 |
| 26 | 27 |
| 27 | 27 |
| 28 | 27 |
| 29 | 27 |
| 30 | 27 |
Humidity in June
Most of June feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 84% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 |
| Muggy (%) | 51 | 52 | 51 | 49 | 48 | 47 | 45 | 44 | 43 | 42 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 37 |
| Oppressive (%) | 22 | 23 | 25 | 27 | 29 | 31 | 33 | 35 | 37 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 51 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 2 | 7 | 18 | 51 | 22 | 0 |
| 2 | 2 | 6 | 17 | 52 | 23 | 0 |
| 3 | 1 | 6 | 17 | 51 | 25 | 0 |
| 4 | 1 | 6 | 16 | 49 | 27 | 0 |
| 5 | 1 | 6 | 16 | 48 | 29 | 0 |
| 6 | 1 | 5 | 15 | 47 | 31 | 0 |
| 7 | 1 | 5 | 15 | 45 | 33 | 0 |
| 8 | 1 | 5 | 15 | 44 | 35 | 0 |
| 9 | 1 | 5 | 14 | 43 | 37 | 1 |
| 10 | 1 | 4 | 14 | 42 | 39 | 1 |
| 11 | 1 | 4 | 13 | 41 | 40 | 1 |
| 12 | 1 | 4 | 13 | 41 | 41 | 1 |
| 13 | 1 | 4 | 12 | 40 | 42 | 1 |
| 14 | 1 | 3 | 12 | 40 | 43 | 1 |
| 15 | 1 | 3 | 11 | 40 | 44 | 1 |
| 16 | 1 | 3 | 11 | 40 | 45 | 1 |
| 17 | 0 | 2 | 10 | 40 | 46 | 1 |
| 18 | 0 | 2 | 10 | 39 | 46 | 2 |
| 19 | 0 | 2 | 10 | 39 | 47 | 2 |
| 20 | 1 | 2 | 9 | 39 | 47 | 2 |
| 21 | 1 | 1 | 9 | 39 | 48 | 2 |
| 22 | 1 | 1 | 9 | 39 | 48 | 2 |
| 23 | 1 | 1 | 8 | 39 | 49 | 2 |
| 24 | 1 | 1 | 8 | 39 | 49 | 2 |
| 25 | 1 | 1 | 8 | 39 | 49 | 3 |
| 26 | 1 | 1 | 8 | 38 | 50 | 3 |
| 27 | 1 | 1 | 7 | 38 | 50 | 3 |
| 28 | 1 | 1 | 7 | 37 | 51 | 3 |
| 29 | 1 | 1 | 7 | 37 | 51 | 3 |
| 30 | 1 | 1 | 7 | 37 | 51 | 3 |
Wind in June
Winds average 8 mph in June.
Across June, daily wind ranges from about 8 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
Sunrise & sunset in June
Daylight runs from about 14 hours at the start of June to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 5:23 AM to 5:24 AM, and sunset from 7:24 PM to 7:34 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.0 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 |
| Sunrise (AM) | 5:23 | 5:23 | 5:23 | 5:22 | 5:22 | 5:22 | 5:22 | 5:22 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:22 | 5:22 | 5:22 | 5:22 | 5:22 | 5:23 | 5:23 | 5:23 | 5:23 | 5:24 | 5:24 | 5:24 |
| Sunset (PM) | 7:24 | 7:24 | 7:25 | 7:25 | 7:26 | 7:26 | 7:27 | 7:27 | 7:28 | 7:28 | 7:29 | 7:29 | 7:30 | 7:30 | 7:30 | 7:31 | 7:31 | 7:32 | 7:32 | 7:32 | 7:32 | 7:33 | 7:33 | 7:33 | 7:33 | 7:33 | 7:33 | 7:33 | 7:34 | 7:34 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:23 | 7:24 |
| 2 | 14.0 | 5:23 | 7:24 |
| 3 | 14.0 | 5:23 | 7:25 |
| 4 | 14.0 | 5:22 | 7:25 |
| 5 | 14.1 | 5:22 | 7:26 |
| 6 | 14.1 | 5:22 | 7:26 |
| 7 | 14.1 | 5:22 | 7:27 |
| 8 | 14.1 | 5:22 | 7:27 |
| 9 | 14.1 | 5:21 | 7:28 |
| 10 | 14.1 | 5:21 | 7:28 |
| 11 | 14.1 | 5:21 | 7:29 |
| 12 | 14.1 | 5:21 | 7:29 |
| 13 | 14.1 | 5:21 | 7:30 |
| 14 | 14.1 | 5:21 | 7:30 |
| 15 | 14.2 | 5:21 | 7:30 |
| 16 | 14.2 | 5:21 | 7:31 |
| 17 | 14.2 | 5:21 | 7:31 |
| 18 | 14.2 | 5:21 | 7:32 |
| 19 | 14.2 | 5:22 | 7:32 |
| 20 | 14.2 | 5:22 | 7:32 |
| 21 | 14.2 | 5:22 | 7:32 |
| 22 | 14.2 | 5:22 | 7:33 |
| 23 | 14.2 | 5:22 | 7:33 |
| 24 | 14.2 | 5:23 | 7:33 |
| 25 | 14.2 | 5:23 | 7:33 |
| 26 | 14.2 | 5:23 | 7:33 |
| 27 | 14.2 | 5:23 | 7:33 |
| 28 | 14.2 | 5:24 | 7:33 |
| 29 | 14.2 | 5:24 | 7:34 |
| 30 | 14.2 | 5:24 | 7:34 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 6.43 kWh/m².
For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 6.77 kWh/m² in July across the year — June's 6.43 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.5 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.5 | Intense |
| 26 | 6.5 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.6 | Intense |
| 29 | 6.6 | Intense |
| 30 | 6.6 | Intense |
Hazard calendar for Rockwall
In June, Rockwall sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Rockwall sits in the Atlantic hurricane belt; the season peaks August–October.
Is June a good time to visit Rockwall?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Rockwall for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rockwall in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Rockwall sees daytime highs around 89°F and nights near 72°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.
UV index in Rockwall in June
Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rockwall peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (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) | 3 | 5 | 6 | 10 | 10 | 10 | 10 | 10 | 8 | 6 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 10 | Very high |
| May | 10 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rockwall in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Rockwall is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (October, 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) | 8 | 8 | 10 | 11 | 14 | 16 | 19 | 15 | 11 | 8 | 8 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 15 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Rockwall?
Rockwall sits at 32.9°N, 96.5°W, 591 ft above sea level, in United States. The nearest listed city is Rowlett, 6.2 mi away.
Topography around Rockwall
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rockwall.
Within 2 miles, the terrain around Rockwall has only modest variations in elevation — a maximum elevation change of 187 ft around an average of 509 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 279 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 617 ft.
The land around Rockwall is covered by artificial surfaces (32%), grassland (25%) and water (21%) within 2 miles, grassland (41%) within 10 miles, and grassland (47%) and trees (26%) 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 Rockwall (32.9312°, -96.4597°, elevation 591 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). 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).