Jasper weather in April

In April, Jasper sees average daytime highs of 67°F and overnight lows near 48°F, with 5.3 in of precipitation across 12.2 wet days and about 13 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 70°F by the end. The sky is clear or mostly clear about 30% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Jasper's 7th-clearest and 1st-windiest month. For the whole year in context, see Jasper's year-round climate.

Daytime high
67°
7th warmest
Overnight low
48°
6th coldest
Precipitation
5.3 in
12.2 wet days
Daylight
13 hours
6:18 AM – 7:18 PM
Cloud cover
62%
7th clearest
Wind
8 mph
1st windiest
Solar energy
5.17 kWh/m²
Travel score
5.7
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 63°F in the first days to 70°F by the end.

A typical April day in Jasper reaches about 67°F in the afternoon and slips back to 48°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 79°F. Set against its neighbours, April runs about 11°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
16243
26243
36344
46344
56344
66445
76445
86546
96546
106546
116647
126647
136647
146747
156748
166748
176748
186849
196849
206849
216850
226850
236950
246950
256951
266951
277051
287052
297052
307153

How April really feels in Jasper

Once humidity and wind are folded in, April averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jasper weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54357
64357
74357
84357
94456
104456
114456
124357
134357
144357
154357
164357
174258
184159
194159
204159
214159
224159
234060
244060
254159
264159
274060
284060
294060
304159

Chance of precipitation in April

Any precipitation

Jasper gets around 5.3 in of rain and snow over 12.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 44% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
440
540
639
739
839
939
1039
1139
1239
1339
1440
1540
1640
1740
1841
1941
2041
2142
2242
2343
2443
2544
2644
2744
2844
2944
3044

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191630
291630
389740
489740
589740
688750
787850
886860
986860
1084970
1184970
1284970
1383980
14821080
15821080
16821080
17821080
18811180
19811180
20811180
21811180
22791290
23791290
24781390
25781390
267613101
277514101
287514101
297315111
307016122

Wind in April

Winds average 8 mph in April, the windiest month of the year.

Across April, 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.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light 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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 6:41 AM to 5:59 AM, and sunset from 7:04 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:417:04
212.46:407:04
312.56:387:05
412.56:367:06
512.56:357:07
612.66:337:08
712.66:327:09
812.76:307:10
912.76:297:11
1012.76:277:12
1112.86:267:13
1212.86:247:14
1312.96:237:15
1412.96:217:16
1513.06:207:17
1613.06:187:18
1713.06:177:19
1813.16:157:20
1913.16:147:21
2013.26:127:22
2113.26:117:23
2213.26:097:24
2313.36:087:25
2413.36:077:26
2513.46:057:26
2613.46:047:27
2713.46:037:28
2813.56:017:29
2913.56:007:30
3013.55:597:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.17 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 — April's 5.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in April

Is April a good time to visit Jasper?

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

5.7
Sightseeing
4th-best month of the year
2.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Jasper for sightseeing.

What to pack for Jasper in April

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

In April, Jasper sees daytime highs around 67°F and nights near 48°F. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Jasper in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).