Bloomington weather in April

In April, Bloomington sees average daytime highs of 64°F and overnight lows near 45°F, with 5.0 in of precipitation across 12.4 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 60°F in the first days to 68°F by the end. The sky is clear or mostly clear about 25% 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 36 min by month's end. Set against the rest of the year, April is Bloomington's 7th-clearest and 1st-windiest month. For the whole year in context, see Bloomington's year-round climate.

Daytime high
64°
7th warmest
Overnight low
45°
6th coldest
Precipitation
5.0 in
12.4 wet days
Daylight
13 hours
6:16 AM – 7:17 PM
Cloud cover
64%
7th clearest
Wind
8 mph
1st windiest
Solar energy
5.07 kWh/m²
Travel score
5.3
out of 10

Bloomington is county seat of Monroe County, Indiana, United States.

Density
1,385/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 60°F in the first days to 68°F by the end.

A typical April day in Bloomington reaches about 64°F in the afternoon and slips back to 45°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 77°F. Set against its neighbours, April runs about 12°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15940
26041
36041
46042
56142
66142
76243
86243
96343
106344
116344
126444
136445
146445
156545
166546
176546
186546
196547
206647
216647
226647
236648
246748
256748
266749
276749
286749
296850
306850

How April really feels in Bloomington

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.

Bloomington 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
Jan38° / 24°3.49.53.79.60.0
Feb42° / 26°2.98.43.410.50.4
Mar53° / 35°4.010.81.711.72.8
Apr64° / 45°5.012.40.2135.3
May73° / 56°5.113.4014.16.2
Jun82° / 65°4.411.9014.75.8
Jul85° / 68°3.511.5014.55.1
Aug84° / 66°3.19013.55.7
Sep78° / 58°2.97.9012.37.1
Oct66° / 47°3.38.30116.2
Nov52° / 37°3.68.90.79.92.9
Dec42° / 28°3.4103.29.30.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
24060
34060
43961
54060
64159
74159
84159
94159
104060
114060
124060
134060
144159
154159
164060
174060
184060
193961
203961
213961
223961
233961
243862
253763
263763
273862
283862
293862
303862

Chance of precipitation in April

Any precipitationSnow

Bloomington gets around 5.0 in of rain and snow over 12.4 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 42% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1412
2412
3422
4422
5422
6421
7411
8411
9411
10411
11411
12411
13411
14411
15411
16411
17411
18410
19410
20410
21410
22420
23420
24420
25430
26430
27430
28430
29430
30430

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
292620
392620
492620
592620
690730
790730
890730
989740
1088840
1188840
1287850
1387850
1487850
1587850
1687850
1786950
1886950
1986950
2086950
2186950
22851050
23851050
24831160
25831160
26831160
27811270
28791371
29781381
30761491

Wind in April

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

Across April, 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.

0246810151015202530
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
267light breeze
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:39 AM to 5:56 AM, and sunset from 7:02 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:397:02
212.46:387:03
312.56:367:04
412.56:347:05
512.66:337:06
612.66:317:07
712.66:307:08
812.76:287:09
912.76:267:10
1012.86:257:11
1112.86:237:12
1212.96:227:13
1312.96:207:14
1412.96:197:15
1513.06:177:16
1613.06:167:17
1713.16:147:18
1813.16:137:19
1913.16:117:20
2013.26:107:21
2113.26:087:22
2213.36:077:23
2313.36:057:24
2413.46:047:25
2513.46:037:26
2613.46:017:27
2713.56:007:28
2813.55:597:29
2913.55:577:30
3013.65:567:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.07 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 6.26 kWh/m² in June across the year — April's 5.07 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Bloomington?

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

5.3
Sightseeing
6th-best month of the year
1.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Bloomington for sightseeing.

What to pack for Bloomington in April

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

In April, Bloomington sees daytime highs around 64°F and nights near 45°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Bloomington 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 Bloomington 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Bloomington 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 Bloomington is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Oct 237 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr11Good
May13Moderate
Jun15Moderate
Jul17Moderate
Aug13Moderate
Sep10Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Bloomington?

Bloomington sits at 39.2°N, 86.5°W, 771 ft above sea level, in United States. The nearest listed city is Columbus, 32 mi away.

Topography around Bloomington

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

Within 2 miles, the terrain around Bloomington has only modest variations in elevation — a maximum elevation change of 262 ft around an average of 807 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 554 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 732 ft.

The land around Bloomington is covered by trees (47%) and artificial surfaces (36%) within 2 miles, trees (71%) within 10 miles, and trees (49%) and cropland (37%) within 50 miles.

2 miles
262 ft
10 miles
554 ft
50 miles
732 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Columbus 32 mi · Franklin 34 mi · Seymour 37 mi · Plainfield 38 mi · Greenwood 39 mi · Avon 42 mi · Indianapolis 46 mi · Fairfield Heights 47 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 Bloomington (39.1653°, -86.5264°, elevation 771 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).