Jasper weather in July

In July, Jasper sees average daytime highs of 87°F and overnight lows near 70°F, with 3.8 in of rain across 11.1 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 37% of the time in July, and the air most often feels oppressive.

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 Jasper's 4th-clearest and 11th-windiest month. For the whole year in context, see Jasper's year-round climate.

Daytime high
87°
1st warmest
Overnight low
70°
12th coldest
Rainfall
3.8 in
11.1 wet days
Daylight
14 h 24 min
5:40 AM – 8:06 PM
Cloud cover
54%
4th clearest
Wind
5 mph
11th windiest
Solar energy
6.28 kWh/m²
Travel score
4.8
out of 10

Jasper is city in Dubois County, Indiana, United States.

Density
452/km²
people per km²
Founded
1818

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 87°F through the month.

A typical July day in Jasper reaches about 87°F in the afternoon and slips back to 70°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 93°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18669
28669
38669
48669
58669
68670
78770
88770
98770
108770
118770
128770
138770
148770
158770
168770
178770
188770
198770
208770
218770
228770
238770
248770
258770
268770
278769
288769
298769
308669
318669

How July really feels in Jasper

Once humidity and wind are folded in, July averages 10 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
10
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.

Jasper weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 26°3.69.22.79.60.0
Feb45° / 29°3.293.210.50.9
Mar55° / 38°4.411.11.511.73.5
Apr67° / 48°5.312.20.1135.7
May75° / 58°5.312.9014.16.3
Jun84° / 67°4.412014.65.4
Jul87° / 70°3.811.1014.44.8
Aug85° / 68°3.18.5013.55.4
Sep80° / 60°3.27.9012.36.9
Oct68° / 49°3.58.10116.6
Nov54° / 38°3.790.69.93.5
Dec44° / 31°3.810.12.49.40.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55644
65743
75743
85644
95743
105743
115644
125743
135644
145644
155545
165545
175545
185446
195446
205545
215446
225446
235446
245545
255545
265644
275644
285644
295743
305743
315743

Chance of precipitation in July

Any precipitation

Jasper gets around 3.8 in of rain over 11.1 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 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
436
536
636
736
836
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2135
2235
2335
2435
2534
2634
2733
2833
2933
3032
3132

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
17131938230
27121938240
36121938240
46122037250
56122036261
66112035271
75112134281
85112133301
95102132311
104102131321
114102130331
12492129351
13492129361
14492128372
15392127382
16392126392
17392025402
183102024402
193102024412
203102024402
213111924402
223111924393
233121925383
243121925373
253132026363
263132027353
273142027333
283142128323
293152129302
303152129292
313152130282

Wind in July

Winds average 5 mph in July.

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.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:32 AM to 5:52 AM, and sunset from 8:10 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:328:10
214.65:328:10
314.65:338:10
414.65:338:10
514.65:348:10
614.65:348:10
714.65:358:10
814.65:358:09
914.65:368:09
1014.55:368:09
1114.55:378:08
1214.55:388:08
1314.55:388:08
1414.55:398:07
1514.55:408:07
1614.45:408:06
1714.45:418:06
1814.45:428:05
1914.45:438:05
2014.35:438:04
2114.35:448:03
2214.35:458:03
2314.35:468:02
2414.25:478:01
2514.25:478:00
2614.25:488:00
2714.25:497:59
2814.15:507:58
2914.15:517:57
3014.15:527:56
3114.05:527:55

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.28 kWh/m².

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 6.35 kWh/m² in June across the year — July's 6.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in July

Is July a good time to visit Jasper?

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

4.8
Sightseeing
7th-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Jasper in July

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

In July, Jasper sees daytime highs around 87°F and nights near 70°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Jasper in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jasper peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Jasper in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Jasper is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1318 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Good
May15Moderate
Jun17Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Jasper?

Jasper sits at 38.4°N, 86.9°W, 466 ft above sea level, in United States. The nearest listed city is Vincennes, 38 mi away.

Topography around Jasper

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

Within 2 miles, the terrain around Jasper has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 502 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 417 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 696 ft.

The land around Jasper is covered by trees (37%), grassland (26%) and artificial surfaces (20%) within 2 miles, cropland (43%) and trees (38%) within 10 miles, and trees (48%) and cropland (38%) within 50 miles.

2 miles
194 ft
10 miles
417 ft
50 miles
696 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Vincennes 38 mi · Owensboro 43 mi · Evansville 45 mi · Henderson 52 mi · Bloomington 58 mi · New Albany 60 mi · Pleasure Ridge Park 61 mi · Valley Station 61 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 Jasper (38.3914°, -86.9311°, elevation 466 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).