Westerville weather in April

In April, Westerville sees average daytime highs of 62°F and overnight lows near 42°F, with 4.5 in of precipitation across 12.7 wet days and about 13 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 57°F in the first days to 65°F by the end. The sky is clear or mostly clear about 22% 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 Westerville's 8th-clearest and 2nd-windiest month. For the whole year in context, see Westerville's year-round climate.

Daytime high
62°
7th warmest
Overnight low
42°
6th coldest
Precipitation
4.5 in
12.7 wet days
Daylight
13 h 06 min
6:00 AM – 7:04 PM
Cloud cover
67%
8th clearest
Wind
9 mph
2nd windiest
Solar energy
5 kWh/m²
Travel score
4.8
out of 10

Westerville is city in Franklin and Delaware counties, Ohio, United States.

Density
1,175/km²
people per km²
Founded
1858

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 57°F in the first days to 65°F by the end.

A typical April day in Westerville reaches about 62°F in the afternoon and slips back to 42°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 48°F and 76°F. Set against its neighbours, April runs about 13°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15637
25638
35738
45738
55839
65839
75940
85940
96040
106041
116041
126142
136142
146242
156243
166243
176243
186344
196344
206344
216444
226445
236445
246445
256446
266546
276546
286546
296647
306647

How April really feels in Westerville

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 3 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
3
wind chill below the day's low

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

Westerville weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 22°3.311.169.50.0
Feb39° / 24°2.79.24.610.40.0
Mar49° / 32°3.811.32.811.71.9
Apr62° / 42°4.512.70.8134.8
May71° / 53°4.413.5014.26.0
Jun80° / 62°4.111.9014.86.2
Jul83° / 65°3.611.4014.65.9
Aug81° / 64°2.99.6013.66.6
Sep75° / 56°2.98.8012.37.1
Oct63° / 45°2.99.20.210.95.6
Nov50° / 35°3.29.61.29.82.3
Dec40° / 27°3.410.23.99.20.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23367
33367
43367
53367
63466
73466
83466
93565
103565
113664
123565
133565
143565
153565
163565
173664
183664
193565
203565
213664
223565
233565
243565
253565
263466
273466
283565
293664
303664

Chance of precipitation in April

Any precipitationSnow

Westerville gets around 4.5 in of rain and snow over 12.7 wet days in April, the wettest month. 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 44% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1415
2415
3414
4414
5414
6414
7414
8413
9403
10403
11403
12402
13412
14412
15412
16412
17411
18411
19421
20421
21421
22431
23431
24441
25441
26441
27441
28441
29441
30441

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19730
29730
39640
49640
59640
69541
79451
89451
99451
109451
119361
129361
139361
149361
159361
169361
179361
189172
199172
209172
219172
229172
239172
249082
259082
268992
278992
288893
2987103
3086104

Wind in April

Winds average 9 mph in April.

Across April, 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.

051015151015202530
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
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light 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 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 6:24 AM to 5:40 AM, and sunset from 6:48 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:246:48
212.46:236:49
312.56:216:50
412.56:196:51
512.66:186:52
612.66:166:53
712.76:156:54
812.76:136:55
912.86:116:57
1012.86:106:58
1112.86:086:59
1212.96:067:00
1312.96:057:01
1413.06:037:02
1513.06:027:03
1613.16:007:04
1713.15:597:05
1813.15:577:06
1913.25:567:07
2013.25:547:08
2113.35:537:09
2213.35:517:10
2313.45:507:11
2413.45:487:12
2513.45:477:13
2613.55:457:14
2713.55:447:15
2813.65:437:16
2913.65:417:17
3013.65:407:18

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 6.22 kWh/m² in June across the year — April's 5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
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 Westerville?

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

4.8
Sightseeing
7th-best month of the year
1.0
Beach & pool
7th-best month of the year

April is a reasonable time to visit Westerville for sightseeing.

What to pack for Westerville in April

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

In April, Westerville sees daytime highs around 62°F and nights near 42°F. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Westerville 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 Westerville peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Westerville 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 Westerville 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar12Moderate
Apr12Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Westerville?

Westerville sits at 40.1°N, 82.9°W, 869 ft above sea level, in United States. The nearest listed city is Gahanna, 8.1 mi away.

Topography around Westerville

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

Within 2 miles, the terrain around Westerville has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 873 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 538 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,033 ft.

The land around Westerville is covered by trees (49%) and artificial surfaces (30%) within 2 miles, trees (46%) and grassland (22%) within 10 miles, and cropland (49%) and trees (32%) within 50 miles.

2 miles
210 ft
10 miles
538 ft
50 miles
1,033 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Gahanna 8.1 mi · Dublin 9.9 mi · Whitehall 11 mi · Upper Arlington 12 mi · Columbus 12 mi · Reynoldsburg 14 mi · Hilliard 14 mi · Delaware 14 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 Westerville (40.1262°, -82.9291°, elevation 869 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).