Westfield weather in April

In April, Westfield sees average daytime highs of 62°F and overnight lows near 44°F, with 4.6 in of precipitation across 12 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 58°F in the first days to 66°F by the end. The sky is clear or mostly clear about 24% 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 Westfield's 7th-clearest and 1st-windiest month. For the whole year in context, see Westfield's year-round climate.

Daytime high
62°
7th warmest
Overnight low
44°
6th coldest
Precipitation
4.6 in
12 wet days
Daylight
13 h 06 min
6:13 AM – 7:16 PM
Cloud cover
65%
7th clearest
Wind
10 mph
1st windiest
Solar energy
5.06 kWh/m²
Travel score
5.0
out of 10

Westfield is city in Hamilton County, Indiana, USA.

Density
525/km²
people per km²
Founded
1834

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 58°F in the first days to 66°F by the end.

A typical April day in Westfield reaches about 62°F in the afternoon and slips back to 44°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 49°F and 76°F. Set against its neighbours, April runs about 12°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15738
25739
35839
45840
55940
65940
76041
86041
96041
106142
116142
126242
136243
146243
156344
166344
176344
186345
196445
206445
216446
226446
236546
246546
256547
266547
276647
286648
296648
306749

How April really feels in Westfield

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 1 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
1
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Westfield 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
Jan35° / 21°3.19.54.79.50.0
Feb39° / 24°2.58.74.310.40.1
Mar50° / 33°3.710.92.411.72.2
Apr62° / 44°4.6120.4135.0
May72° / 54°4.813.7014.26.0
Jun80° / 64°4.312.1014.86.1
Jul83° / 67°3.511.8014.65.6
Aug82° / 65°3.09.1013.66.6
Sep76° / 57°2.87.8012.37.2
Oct64° / 46°3.390.110.95.8
Nov50° / 35°3.49.21.19.82.4
Dec39° / 26°2.99.63.59.20.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33763
43862
53961
63961
74060
83961
93961
104060
114060
124060
133961
143961
153961
163961
173961
183862
193862
203862
213862
223862
233763
243763
253763
263763
273763
283763
293664
303763

Chance of precipitation in April

Any precipitationSnow

Westfield gets around 4.6 in of rain and snow over 12 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 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1414
2414
3413
4413
5403
6403
7403
8403
9392
10392
11392
12392
13402
14401
15401
16401
17401
18401
19401
20401
21410
22410
23410
24420
25420
26420
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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19631
29541
39541
49541
59442
69442
79352
89352
99352
109262
119262
129163
139163
149073
159073
169073
179172
189172
199082
209082
219082
229082
239082
248893
258893
268893
2787103
2886104
2986104
3084115

Wind in April

Winds average 10 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

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 6:37 AM to 5:53 AM, and sunset from 7:01 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:377:01
212.46:367:02
312.56:347:03
412.56:327:04
512.66:317:05
612.66:297:06
712.76:277:07
812.76:267:08
912.86:247:09
1012.86:237:10
1112.86:217:11
1212.96:197:12
1312.96:187:13
1413.06:167:14
1513.06:157:15
1613.16:137:16
1713.16:117:17
1813.16:107:19
1913.26:087:20
2013.26:077:21
2113.36:057:22
2213.36:047:23
2313.46:037:24
2413.46:017:25
2513.46:007:26
2613.55:587:27
2713.55:577:28
2813.65:557:29
2913.65:547:30
3013.65:537:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.06 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.29 kWh/m² in June across the year — April's 5.06 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
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 Westfield?

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

5.0
Sightseeing
7th-best month of the year
1.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Westfield for sightseeing.

What to pack for Westfield in April

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

In April, Westfield sees daytime highs around 62°F and nights near 44°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Westfield 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 Westfield peaks around June 22 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Westfield 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 Westfield is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1416 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar12Moderate
Apr12Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Westfield?

Westfield sits at 40.0°N, 86.1°W, 886 ft above sea level, in United States. The nearest listed city is Carmel, 4.3 mi away.

Topography around Westfield

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

Within 2 miles, the terrain around Westfield has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 886 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 394 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 814 ft.

The land around Westfield is covered by grassland (35%), artificial surfaces (23%) and trees (22%) within 2 miles, cropland (34%), trees (29%) and grassland (23%) within 10 miles, and cropland (67%) and trees (20%) within 50 miles.

2 miles
157 ft
10 miles
394 ft
50 miles
814 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Carmel 4.3 mi · Noblesville 6.2 mi · Fishers 8.7 mi · Zionsville 9.3 mi · Broad Ripple 12 mi · Lawrence 15 mi · Lebanon 18 mi · Indianapolis 19 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 Westfield (40.0428°, -86.1275°, elevation 886 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).