Duncan weather in July
In July, Duncan sees average daytime highs of 94°F and overnight lows near 74°F, with 1.8 in of rain across 5.8 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 94°F through the month. The sky is clear or mostly clear about 62% of the time in July, and the air most often feels muggy.
Daylight stretches from about 14 h 18 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Duncan's 2nd-clearest and 10th-windiest month. For the whole year in context, see Duncan's year-round climate.
- Daytime high
- 94°
- 1st warmest
- Overnight low
- 74°
- 12th coldest
- Rainfall
- 1.8 in
- 5.8 wet days
- Daylight
- 14 h 06 min
- 5:34 AM – 7:40 PM
- Cloud cover
- 38%
- 2nd clearest
- Wind
- 8 mph
- 10th windiest
- Solar energy
- 6.94 kWh/m²
- Travel score
- 3.2
- out of 10
Duncan is city and county seat of Stephens County, Oklahoma, United States.
- Density
- 188/km²
- people per km²
- Founded
- 1892
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 94°F through the month.
A typical July day in Duncan reaches about 94°F in the afternoon and slips back to 74°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 87°F and 101°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) | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 |
| Avg low (°F) | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 92 | 73 |
| 2 | 92 | 73 |
| 3 | 92 | 73 |
| 4 | 93 | 73 |
| 5 | 93 | 73 |
| 6 | 93 | 74 |
| 7 | 93 | 74 |
| 8 | 93 | 74 |
| 9 | 94 | 74 |
| 10 | 94 | 74 |
| 11 | 94 | 74 |
| 12 | 94 | 74 |
| 13 | 94 | 74 |
| 14 | 94 | 74 |
| 15 | 94 | 74 |
| 16 | 95 | 74 |
| 17 | 95 | 74 |
| 18 | 95 | 74 |
| 19 | 95 | 74 |
| 20 | 95 | 75 |
| 21 | 95 | 75 |
| 22 | 95 | 75 |
| 23 | 95 | 75 |
| 24 | 95 | 74 |
| 25 | 95 | 74 |
| 26 | 95 | 74 |
| 27 | 95 | 74 |
| 28 | 95 | 74 |
| 29 | 95 | 74 |
| 30 | 95 | 74 |
| 31 | 95 | 74 |
How July really feels in Duncan
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.
Duncan 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 | 52° / 32° | 1.5 | 4.8 | 0.9 | 10 | 3.2 |
| Feb | 56° / 36° | 1.8 | 5.8 | 0.9 | 10.7 | 4.4 |
| Mar | 65° / 44° | 3.1 | 7.6 | 0.4 | 11.7 | 6.4 |
| Apr | 73° / 52° | 3.6 | 7.9 | 0 | 12.8 | 7.3 |
| May | 81° / 62° | 4.7 | 10.6 | 0 | 13.8 | 6.3 |
| Jun | 89° / 70° | 3.6 | 8.6 | 0 | 14.3 | 4.4 |
| Jul | 94° / 74° | 1.8 | 5.8 | 0 | 14.1 | 3.2 |
| Aug | 93° / 73° | 1.9 | 5.6 | 0 | 13.3 | 3.4 |
| Sep | 85° / 65° | 2.8 | 6.4 | 0 | 12.2 | 5.8 |
| Oct | 74° / 54° | 3.5 | 6.8 | 0 | 11.1 | 7.6 |
| Nov | 62° / 42° | 2.1 | 5.5 | 0.2 | 10.2 | 6.2 |
| Dec | 53° / 34° | 2.0 | 5.2 | 0.8 | 9.7 | 3.5 |
Cloud cover in July
The sky is clear or mostly clear about 62% 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 23%. 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 (%) | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 75 | 75 | 76 | 77 | 78 | 79 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 79 | 79 | 79 | 78 | 78 | 78 | 78 | 76 |
| Cloudier (%) | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 25 | 25 | 24 | 23 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 72 | 28 |
| 2 | 72 | 28 |
| 3 | 72 | 28 |
| 4 | 72 | 28 |
| 5 | 73 | 27 |
| 6 | 73 | 27 |
| 7 | 73 | 27 |
| 8 | 73 | 27 |
| 9 | 75 | 25 |
| 10 | 75 | 25 |
| 11 | 76 | 24 |
| 12 | 77 | 23 |
| 13 | 78 | 22 |
| 14 | 79 | 21 |
| 15 | 80 | 20 |
| 16 | 80 | 20 |
| 17 | 81 | 19 |
| 18 | 81 | 19 |
| 19 | 81 | 19 |
| 20 | 81 | 19 |
| 21 | 81 | 19 |
| 22 | 81 | 19 |
| 23 | 80 | 20 |
| 24 | 79 | 21 |
| 25 | 79 | 21 |
| 26 | 79 | 21 |
| 27 | 78 | 22 |
| 28 | 78 | 22 |
| 29 | 78 | 22 |
| 30 | 78 | 22 |
| 31 | 76 | 24 |
Chance of precipitation in July
Duncan gets around 1.8 in of rain over 5.8 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 18% and peaks near 24% 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 (%) | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 |
| Rain chance (%) | |
|---|---|
| 1 | 24 |
| 2 | 24 |
| 3 | 24 |
| 4 | 23 |
| 5 | 23 |
| 6 | 23 |
| 7 | 22 |
| 8 | 22 |
| 9 | 21 |
| 10 | 20 |
| 11 | 20 |
| 12 | 19 |
| 13 | 18 |
| 14 | 17 |
| 15 | 16 |
| 16 | 15 |
| 17 | 15 |
| 18 | 15 |
| 19 | 14 |
| 20 | 14 |
| 21 | 14 |
| 22 | 14 |
| 23 | 15 |
| 24 | 15 |
| 25 | 15 |
| 26 | 15 |
| 27 | 16 |
| 28 | 16 |
| 29 | 17 |
| 30 | 17 |
| 31 | 17 |
Humidity in July
Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 69% 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 (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
| Humid (%) | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 21 | 22 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 |
| Muggy (%) | 52 | 54 | 54 | 54 | 54 | 54 | 55 | 56 | 56 | 56 | 56 | 55 | 56 | 56 | 57 | 56 | 56 | 56 | 54 | 53 | 52 | 52 | 51 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 48 |
| Oppressive (%) | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 2 | 6 | 19 | 52 | 21 |
| 2 | 2 | 5 | 18 | 54 | 21 |
| 3 | 2 | 5 | 18 | 54 | 21 |
| 4 | 2 | 5 | 18 | 54 | 21 |
| 5 | 2 | 5 | 18 | 54 | 21 |
| 6 | 2 | 5 | 19 | 54 | 20 |
| 7 | 2 | 4 | 19 | 55 | 20 |
| 8 | 1 | 4 | 19 | 56 | 20 |
| 9 | 1 | 4 | 20 | 56 | 19 |
| 10 | 1 | 4 | 20 | 56 | 19 |
| 11 | 1 | 4 | 21 | 56 | 18 |
| 12 | 1 | 4 | 22 | 55 | 18 |
| 13 | 1 | 3 | 23 | 56 | 17 |
| 14 | 1 | 3 | 23 | 56 | 17 |
| 15 | 0 | 3 | 24 | 57 | 16 |
| 16 | 0 | 4 | 25 | 56 | 15 |
| 17 | 0 | 4 | 25 | 56 | 15 |
| 18 | 0 | 4 | 26 | 56 | 14 |
| 19 | 1 | 5 | 26 | 54 | 14 |
| 20 | 1 | 5 | 27 | 53 | 14 |
| 21 | 1 | 6 | 28 | 52 | 13 |
| 22 | 1 | 6 | 28 | 52 | 13 |
| 23 | 1 | 7 | 28 | 51 | 13 |
| 24 | 1 | 7 | 29 | 50 | 13 |
| 25 | 0 | 8 | 29 | 50 | 13 |
| 26 | 0 | 8 | 29 | 49 | 13 |
| 27 | 0 | 8 | 30 | 49 | 13 |
| 28 | 0 | 9 | 30 | 49 | 12 |
| 29 | 0 | 9 | 30 | 48 | 12 |
| 30 | 0 | 9 | 30 | 48 | 12 |
| 31 | 0 | 9 | 30 | 48 | 12 |
Wind in July
Winds average 8 mph in July.
Across July, 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| 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 | 7 | light breeze |
| 22 | 7 | light breeze |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in July
Daylight runs from about 14 h 18 min at the start of July to 13 h 48 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 5:27 AM to 5:45 AM, and sunset from 7:44 PM to 7:31 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 | 14.3 | 14.3 | 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 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 |
| Sunrise (AM) | 5:27 | 5:27 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 | 5:31 | 5:31 | 5:32 | 5:33 | 5:33 | 5:34 | 5:34 | 5:35 | 5:36 | 5:36 | 5:37 | 5:38 | 5:38 | 5:39 | 5:40 | 5:40 | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 | 5:45 |
| Sunset (PM) | 7:44 | 7:44 | 7:44 | 7:44 | 7:43 | 7:43 | 7:43 | 7:43 | 7:43 | 7:42 | 7:42 | 7:42 | 7:42 | 7:41 | 7:41 | 7:40 | 7:40 | 7:40 | 7:39 | 7:39 | 7:38 | 7:37 | 7:37 | 7:36 | 7:36 | 7:35 | 7:34 | 7:33 | 7:33 | 7:32 | 7:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 5:27 | 7:44 |
| 2 | 14.3 | 5:27 | 7:44 |
| 3 | 14.3 | 5:27 | 7:44 |
| 4 | 14.3 | 5:28 | 7:44 |
| 5 | 14.3 | 5:28 | 7:43 |
| 6 | 14.2 | 5:29 | 7:43 |
| 7 | 14.2 | 5:29 | 7:43 |
| 8 | 14.2 | 5:30 | 7:43 |
| 9 | 14.2 | 5:30 | 7:43 |
| 10 | 14.2 | 5:31 | 7:42 |
| 11 | 14.2 | 5:31 | 7:42 |
| 12 | 14.2 | 5:32 | 7:42 |
| 13 | 14.1 | 5:33 | 7:42 |
| 14 | 14.1 | 5:33 | 7:41 |
| 15 | 14.1 | 5:34 | 7:41 |
| 16 | 14.1 | 5:34 | 7:40 |
| 17 | 14.1 | 5:35 | 7:40 |
| 18 | 14.1 | 5:36 | 7:40 |
| 19 | 14.0 | 5:36 | 7:39 |
| 20 | 14.0 | 5:37 | 7:39 |
| 21 | 14.0 | 5:38 | 7:38 |
| 22 | 14.0 | 5:38 | 7:37 |
| 23 | 14.0 | 5:39 | 7:37 |
| 24 | 13.9 | 5:40 | 7:36 |
| 25 | 13.9 | 5:40 | 7:36 |
| 26 | 13.9 | 5:41 | 7:35 |
| 27 | 13.9 | 5:42 | 7:34 |
| 28 | 13.8 | 5:43 | 7:33 |
| 29 | 13.8 | 5:43 | 7:33 |
| 30 | 13.8 | 5:44 | 7:32 |
| 31 | 13.8 | 5:45 | 7:31 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.94 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.94 kWh/m² in July across the year — July's 6.94 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) | 6.9 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 |
| 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 | 6.9 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 7.0 | Intense |
| 6 | 7.0 | Intense |
| 7 | 7.0 | Intense |
| 8 | 7.0 | Intense |
| 9 | 7.0 | Intense |
| 10 | 7.0 | Intense |
| 11 | 7.0 | Intense |
| 12 | 7.0 | Intense |
| 13 | 7.0 | Intense |
| 14 | 7.0 | Intense |
| 15 | 7.0 | Intense |
| 16 | 7.0 | Intense |
| 17 | 7.0 | Intense |
| 18 | 7.0 | Intense |
| 19 | 7.0 | Intense |
| 20 | 7.0 | Intense |
| 21 | 7.0 | Intense |
| 22 | 7.0 | Intense |
| 23 | 6.9 | Intense |
| 24 | 6.9 | Intense |
| 25 | 6.9 | Intense |
| 26 | 6.9 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.7 | Intense |
Is July a good time to visit Duncan?
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 Duncan. The water and warmth also suit a beach or pool day.
What to pack for Duncan in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Duncan sees daytime highs around 94°F and nights near 74°F. Pack light clothes and sun protection. About 6 days see rain.
UV index in Duncan 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 Duncan peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 7 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | 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 | Extreme |
| Aug | 10 | Very high |
| Sep | 7 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Where is Duncan?
Duncan sits at 34.5°N, 98.0°W, 1,122 ft above sea level, in United States. The nearest listed city is Lawton, 25 mi away.
Topography around Duncan
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Duncan.
Within 2 miles, the terrain around Duncan has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 1,125 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 367 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,716 ft.
The land around Duncan is covered by grassland (39%), trees (29%) and artificial surfaces (27%) within 2 miles, grassland (64%) and trees (25%) within 10 miles, and grassland (66%) 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 Duncan (34.5023°, -97.9578°, elevation 1,122 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).