Denison weather in July
In July, Denison sees average daytime highs of 93°F and overnight lows near 75°F, with 2.0 in of rain across 6.3 wet days and about 14 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 93°F through the month. The sky is clear or mostly clear about 57% of the time in July, and the air most often feels oppressive.
Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Denison's 4th-clearest and 10th-windiest month. For the whole year in context, see Denison's year-round climate.
- Daytime high
- 93°
- 1st warmest
- Overnight low
- 75°
- 12th coldest
- Rainfall
- 2.0 in
- 6.3 wet days
- Daylight
- 14 hours
- 5:31 AM – 7:33 PM
- Cloud cover
- 42%
- 4th clearest
- Wind
- 7 mph
- 10th windiest
- Solar energy
- 6.76 kWh/m²
- Travel score
- 3.6
- out of 10
Denison is city in Grayson County, Texas, United States.
- Density
- 381/km²
- people per km²
- Founded
- 1872
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 93°F through the month.
A typical July day in Denison reaches about 93°F in the afternoon and slips back to 75°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 87°F and 99°F. Set against its neighbours, July runs about 5°F warmer than 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) | 91 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 |
| Avg low (°F) | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 91 | 74 |
| 2 | 91 | 74 |
| 3 | 91 | 74 |
| 4 | 91 | 74 |
| 5 | 91 | 75 |
| 6 | 91 | 75 |
| 7 | 92 | 75 |
| 8 | 92 | 75 |
| 9 | 92 | 75 |
| 10 | 92 | 75 |
| 11 | 92 | 75 |
| 12 | 92 | 75 |
| 13 | 93 | 75 |
| 14 | 93 | 76 |
| 15 | 93 | 76 |
| 16 | 93 | 76 |
| 17 | 93 | 76 |
| 18 | 93 | 76 |
| 19 | 93 | 76 |
| 20 | 93 | 76 |
| 21 | 93 | 76 |
| 22 | 93 | 76 |
| 23 | 94 | 76 |
| 24 | 94 | 76 |
| 25 | 94 | 76 |
| 26 | 94 | 76 |
| 27 | 94 | 76 |
| 28 | 94 | 76 |
| 29 | 94 | 76 |
| 30 | 94 | 76 |
| 31 | 94 | 76 |
How July really feels in Denison
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.
Denison weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 53° / 36° | 2.5 | 6.7 | 0.7 | 10 | 3.4 |
| Feb | 58° / 40° | 2.6 | 7.2 | 0.7 | 10.7 | 4.5 |
| Mar | 65° / 47° | 4.0 | 9.4 | 0.4 | 11.7 | 6.1 |
| Apr | 73° / 55° | 4.6 | 9.1 | 0 | 12.8 | 7.0 |
| May | 80° / 64° | 6.0 | 11.9 | 0 | 13.7 | 6.2 |
| Jun | 88° / 72° | 3.7 | 8.8 | 0 | 14.2 | 4.6 |
| Jul | 93° / 75° | 2.0 | 6.3 | 0 | 14 | 3.6 |
| Aug | 92° / 75° | 2.0 | 5.8 | 0 | 13.3 | 3.6 |
| Sep | 85° / 68° | 3.3 | 6.8 | 0 | 12.2 | 5.8 |
| Oct | 75° / 56° | 4.2 | 7.9 | 0 | 11.2 | 7.4 |
| Nov | 64° / 46° | 3.4 | 7.1 | 0.1 | 10.2 | 6.2 |
| Dec | 55° / 38° | 3.3 | 6.9 | 0.4 | 9.8 | 3.8 |
Cloud cover in July
The sky is clear or mostly clear about 57% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 27%. 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 (%) | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 75 | 76 | 76 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 76 | 75 | 75 | 75 | 75 | 74 | 74 | 74 |
| Cloudier (%) | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 25 | 24 | 24 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 66 | 34 |
| 3 | 66 | 34 |
| 4 | 66 | 34 |
| 5 | 66 | 34 |
| 6 | 67 | 33 |
| 7 | 67 | 33 |
| 8 | 68 | 32 |
| 9 | 69 | 31 |
| 10 | 70 | 30 |
| 11 | 71 | 29 |
| 12 | 72 | 28 |
| 13 | 73 | 27 |
| 14 | 75 | 25 |
| 15 | 76 | 24 |
| 16 | 76 | 24 |
| 17 | 78 | 22 |
| 18 | 78 | 22 |
| 19 | 78 | 22 |
| 20 | 78 | 22 |
| 21 | 77 | 23 |
| 22 | 77 | 23 |
| 23 | 77 | 23 |
| 24 | 76 | 24 |
| 25 | 75 | 25 |
| 26 | 75 | 25 |
| 27 | 75 | 25 |
| 28 | 75 | 25 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
| 31 | 74 | 26 |
Chance of precipitation in July
Denison gets around 2.0 in of rain over 6.3 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 20% and peaks near 26% 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 (%) | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 |
| Rain chance (%) | |
|---|---|
| 1 | 26 |
| 2 | 25 |
| 3 | 25 |
| 4 | 24 |
| 5 | 24 |
| 6 | 23 |
| 7 | 23 |
| 8 | 22 |
| 9 | 22 |
| 10 | 21 |
| 11 | 20 |
| 12 | 20 |
| 13 | 19 |
| 14 | 18 |
| 15 | 18 |
| 16 | 17 |
| 17 | 17 |
| 18 | 17 |
| 19 | 17 |
| 20 | 17 |
| 21 | 17 |
| 22 | 17 |
| 23 | 17 |
| 24 | 17 |
| 25 | 17 |
| 26 | 18 |
| 27 | 18 |
| 28 | 18 |
| 29 | 18 |
| 30 | 18 |
| 31 | 18 |
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 50% of days. Sticky, muggy-or-worse air turns up on roughly 89% 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Muggy (%) | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 41 |
| Oppressive (%) | 52 | 52 | 53 | 52 | 52 | 53 | 51 | 52 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 51 | 52 | 51 | 50 | 51 | 49 | 49 | 48 | 47 | 46 | 46 | 45 | 44 | 44 | 43 | 43 |
| Miserable (%) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 7 | 36 | 52 | 2 |
| 2 | 1 | 2 | 7 | 36 | 52 | 2 |
| 3 | 1 | 2 | 6 | 36 | 53 | 2 |
| 4 | 1 | 2 | 6 | 37 | 52 | 2 |
| 5 | 1 | 2 | 6 | 37 | 52 | 2 |
| 6 | 1 | 1 | 6 | 37 | 53 | 2 |
| 7 | 1 | 1 | 6 | 38 | 51 | 3 |
| 8 | 1 | 1 | 5 | 38 | 52 | 3 |
| 9 | 0 | 1 | 5 | 39 | 53 | 2 |
| 10 | 0 | 1 | 5 | 39 | 53 | 2 |
| 11 | 0 | 1 | 5 | 39 | 53 | 2 |
| 12 | 0 | 1 | 5 | 39 | 53 | 2 |
| 13 | 0 | 1 | 6 | 39 | 52 | 2 |
| 14 | 0 | 1 | 6 | 39 | 52 | 2 |
| 15 | 0 | 1 | 6 | 39 | 52 | 2 |
| 16 | 0 | 1 | 7 | 39 | 51 | 2 |
| 17 | 0 | 1 | 7 | 39 | 52 | 1 |
| 18 | 0 | 1 | 8 | 39 | 51 | 1 |
| 19 | 0 | 1 | 9 | 39 | 50 | 1 |
| 20 | 0 | 1 | 9 | 38 | 51 | 1 |
| 21 | 0 | 2 | 10 | 38 | 49 | 1 |
| 22 | 0 | 2 | 11 | 38 | 49 | 1 |
| 23 | 0 | 2 | 12 | 38 | 48 | 1 |
| 24 | 0 | 2 | 12 | 38 | 47 | 1 |
| 25 | 0 | 2 | 13 | 38 | 46 | 1 |
| 26 | 0 | 2 | 13 | 38 | 46 | 1 |
| 27 | 0 | 2 | 13 | 39 | 45 | 1 |
| 28 | 0 | 2 | 13 | 39 | 44 | 1 |
| 29 | 0 | 2 | 13 | 40 | 44 | 1 |
| 30 | 0 | 2 | 13 | 40 | 43 | 1 |
| 31 | 0 | 2 | 13 | 41 | 43 | 1 |
Wind in July
Winds average 7 mph in July.
Across July, daily wind ranges from about 6 mph on the calmest days to 7 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 | 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 | 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 | 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 July
Daylight runs from about 14 h 12 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over July. Sunrise moves from 5:23 AM to 5:41 AM, and sunset from 7:36 PM to 7:24 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) | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 |
| Sunrise (AM) | 5:23 | 5:23 | 5:24 | 5:24 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:31 | 5:31 | 5:32 | 5:32 | 5:33 | 5:34 | 5:34 | 5:35 | 5:36 | 5:36 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:41 |
| Sunset (PM) | 7:36 | 7:36 | 7:36 | 7:36 | 7:36 | 7:36 | 7:36 | 7:35 | 7:35 | 7:35 | 7:35 | 7:34 | 7:34 | 7:34 | 7:33 | 7:33 | 7:33 | 7:32 | 7:32 | 7:31 | 7:31 | 7:30 | 7:29 | 7:29 | 7:28 | 7:28 | 7:27 | 7:26 | 7:25 | 7:25 | 7:24 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 5:23 | 7:36 |
| 2 | 14.2 | 5:23 | 7:36 |
| 3 | 14.2 | 5:24 | 7:36 |
| 4 | 14.2 | 5:24 | 7:36 |
| 5 | 14.2 | 5:25 | 7:36 |
| 6 | 14.2 | 5:25 | 7:36 |
| 7 | 14.2 | 5:26 | 7:36 |
| 8 | 14.2 | 5:26 | 7:35 |
| 9 | 14.1 | 5:27 | 7:35 |
| 10 | 14.1 | 5:27 | 7:35 |
| 11 | 14.1 | 5:28 | 7:35 |
| 12 | 14.1 | 5:28 | 7:34 |
| 13 | 14.1 | 5:29 | 7:34 |
| 14 | 14.1 | 5:29 | 7:34 |
| 15 | 14.1 | 5:30 | 7:33 |
| 16 | 14.0 | 5:31 | 7:33 |
| 17 | 14.0 | 5:31 | 7:33 |
| 18 | 14.0 | 5:32 | 7:32 |
| 19 | 14.0 | 5:32 | 7:32 |
| 20 | 14.0 | 5:33 | 7:31 |
| 21 | 13.9 | 5:34 | 7:31 |
| 22 | 13.9 | 5:34 | 7:30 |
| 23 | 13.9 | 5:35 | 7:29 |
| 24 | 13.9 | 5:36 | 7:29 |
| 25 | 13.9 | 5:36 | 7:28 |
| 26 | 13.8 | 5:37 | 7:28 |
| 27 | 13.8 | 5:38 | 7:27 |
| 28 | 13.8 | 5:39 | 7:26 |
| 29 | 13.8 | 5:39 | 7:25 |
| 30 | 13.7 | 5:40 | 7:25 |
| 31 | 13.7 | 5:41 | 7:24 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.76 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 6.76 kWh/m² in July across the year — July's 6.76 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) | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 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 | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.7 | Intense |
| 2 | 6.7 | Intense |
| 3 | 6.7 | Intense |
| 4 | 6.7 | Intense |
| 5 | 6.7 | Intense |
| 6 | 6.7 | Intense |
| 7 | 6.8 | Intense |
| 8 | 6.8 | Intense |
| 9 | 6.8 | Intense |
| 10 | 6.8 | Intense |
| 11 | 6.8 | Intense |
| 12 | 6.8 | Intense |
| 13 | 6.8 | Intense |
| 14 | 6.8 | Intense |
| 15 | 6.8 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.8 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.7 | Intense |
| 29 | 6.6 | Intense |
| 30 | 6.6 | Intense |
| 31 | 6.6 | Intense |
Is July a good time to visit Denison?
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 Denison. The water and warmth also suit a beach or pool day.
What to pack for Denison in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Denison sees daytime highs around 93°F and nights near 75°F. Pack light clothes and sun protection. About 6 days see rain.
UV index in Denison in July
Clear-sky midday UV in July 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 Denison peaks around June 20 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 — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Denison 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 Denison is worst in July — around 18 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 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 | 8 | 10 | 10 | 13 | 15 | 18 | 14 | 10 | 6 | 6 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 10 | Good |
| Apr | 10 | Good |
| May | 13 | Moderate |
| Jun | 15 | Moderate |
| Jul | 18 | Moderate |
| Aug | 14 | Moderate |
| Sep | 10 | Good |
| Oct | 6 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is Denison?
Denison sits at 33.8°N, 96.5°W, 728 ft above sea level, in United States. The nearest listed city is Sherman, 9.3 mi away.
Topography around Denison
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Denison.
Within 2 miles, the terrain around Denison has only modest variations in elevation — a maximum elevation change of 256 ft around an average of 709 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 449 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 768 ft.
The land around Denison is covered by trees (63%) and grassland (21%) within 2 miles, grassland (45%) and trees (38%) within 10 miles, and grassland (53%) and trees (32%) 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 Denison (33.7557°, -96.5367°, elevation 728 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. 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).