Derby weather in July

In July, Derby sees average daytime highs of 91°F and overnight lows near 71°F, with 3.0 in of rain across 8.1 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 54% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Derby's 3rd-clearest and 11th-windiest month. For the whole year in context, see Derby's year-round climate.

Daytime high
91°
1st warmest
Overnight low
71°
12th coldest
Rainfall
3.0 in
8.1 wet days
Daylight
14 h 24 min
5:24 AM – 7:45 PM
Cloud cover
41%
3rd clearest
Wind
8 mph
11th windiest
Solar energy
6.88 kWh/m²
Travel score
4.0
out of 10

Derby is city in Sedgwick County, Kansas, United States.

Density
888/km²
people per km²
Founded
1871

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 91°F through the month.

A typical July day in Derby reaches about 91°F in the afternoon and slips back to 71°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 99°F. Set against its neighbours, July runs about 5°F warmer than June and about 1°F warmer than August.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
18970
29070
39070
49070
59070
69071
79071
89171
99171
109171
119171
129171
139171
149171
159171
169171
179271
189272
199272
209271
219271
229271
239271
249171
259171
269171
279171
289171
299171
309171
319171

How July really feels in Derby

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.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Derby weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 25°1.14.31.99.70.9
Feb49° / 28°1.45.31.710.62.2
Mar59° / 37°2.87.71.111.74.8
Apr68° / 46°3.89.60.212.96.4
May77° / 57°5.411.40146.6
Jun86° / 67°4.610.4014.55.0
Jul91° / 71°3.08.1014.34.0
Aug89° / 69°3.07.5013.44.5
Sep82° / 61°3.07012.36.7
Oct70° / 48°3.270.1117.3
Nov57° / 36°1.75.30.5104.6
Dec46° / 27°1.54.82.19.51.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
26931
36931
46931
57030
67030
77030
87030
97030
107030
117030
127129
137129
147228
157327
167327
177426
187426
197426
207426
217426
227426
237426
247426
257426
267426
277426
287426
297228
307228
317228

Chance of precipitation in July

Any precipitation

Derby gets around 3.0 in of rain over 8.1 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 26% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
728
828
927
1027
1126
1226
1325
1425
1525
1624
1724
1824
1924
2024
2124
2224
2324
2424
2525
2625
2725
2825
2925
3025
3125

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1411194620
2411194621
3410194621
4410194622
539194622
638194723
738194723
828194823
927184824
1027184924
1127184924
1216185124
1316185124
1416195024
1516195025
1616194925
1716194925
1817194925
1917194824
2017204824
2118204724
2219204723
2319214623
24110214622
25110224522
26111224421
27111234421
28211234320
29212244320
30212244320
31212254219

Wind in July

Winds average 8 mph in July.

Across July, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 5:16 AM to 5:36 AM, and sunset from 7:49 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:167:49
214.65:167:49
314.55:167:49
414.55:177:49
514.55:177:49
614.55:187:49
714.55:187:49
814.55:197:48
914.55:207:48
1014.55:207:48
1114.45:217:47
1214.45:217:47
1314.45:227:47
1414.45:237:46
1514.45:237:46
1614.45:247:45
1714.35:257:45
1814.35:257:44
1914.35:267:44
2014.35:277:43
2114.25:287:43
2214.25:287:42
2314.25:297:41
2414.25:307:40
2514.15:317:40
2614.15:327:39
2714.15:327:38
2814.15:337:37
2914.05:347:36
3014.05:357:36
3114.05:367:35

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.88 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.88 kWh/m² in July across the year — July's 6.88 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.8Intense
246.8Intense
256.8Intense
266.7Intense
276.7Intense
286.7Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in July

Is July a good time to visit Derby?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.0
Sightseeing
9th-best month of the year
6.8
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Derby for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Derby in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Derby sees daytime highs around 91°F and nights near 71°F. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Derby in July

LowModerateHighVery highExtreme

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 Derby peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJun 22UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec2Moderate
Location & terrain

Where is Derby?

Derby sits at 37.5°N, 97.3°W, 1,293 ft above sea level, in United States. The nearest listed city is Wichita, 11 mi away.

Topography around Derby

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Derby.

Within 2 miles, the terrain around Derby has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 1,283 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 249 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 751 ft.

The land around Derby is covered by trees (39%) and grassland (24%) within 2 miles, cropland (37%), grassland (31%) and trees (20%) within 10 miles, and cropland (46%) and grassland (44%) within 50 miles.

2 miles
138 ft
10 miles
249 ft
50 miles
751 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Wichita 11 mi · Newton 35 mi · Hutchinson 51 mi · Ponca City 59 mi · Emporia 84 mi · Enid 86 mi · Bartlesville 90 mi · Salina 91 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Derby (37.5456°, -97.2689°, elevation 1,293 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).