Altoona weather in April

In April, Altoona sees average daytime highs of 58°F and overnight lows near 39°F, with 4.2 in of precipitation across 13.4 wet days and about 13 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 53°F in the first days to 62°F by the end. The sky is clear or mostly clear about 21% 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 42 min by month's end. Set against the rest of the year, April is Altoona's 8th-clearest and 6th-windiest month. For the whole year in context, see Altoona's year-round climate.

Daytime high
58°
7th warmest
Overnight low
39°
6th coldest
Precipitation
4.2 in
13.4 wet days
Daylight
13 h 06 min
5:42 AM – 6:46 PM
Cloud cover
67%
8th clearest
Wind
8 mph
6th windiest
Solar energy
4.91 kWh/m²
Travel score
3.8
out of 10

Altoona is city in Blair County, Pennsylvania, United States.

Density
1,767/km²
people per km²
Founded
1849

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 53°F in the first days to 62°F by the end.

A typical April day in Altoona reaches about 58°F in the afternoon and slips back to 39°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 44°F and 72°F. Set against its neighbours, April runs about 13°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15234
25234
35335
45335
55435
65436
75536
85537
95537
105637
115638
125738
135738
145739
155839
165839
175840
185940
195940
205940
216041
226041
236041
246042
256142
266142
276143
286243
296243
306244

How April really feels in Altoona

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 11 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
11
wind chill below the day's low

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

Altoona weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 20°3.110.97.69.40.0
Feb36° / 21°2.8106.710.40.0
Mar45° / 28°3.912.1511.70.9
Apr58° / 39°4.213.41.3133.8
May67° / 49°4.614.6014.25.4
Jun75° / 57°4.412.7014.86.3
Jul79° / 62°3.912.4014.66.3
Aug78° / 60°3.311.2013.66.5
Sep71° / 53°4.110.2012.36.6
Oct59° / 42°3.59.80.510.94.7
Nov47° / 33°3.19.62.19.71.6
Dec38° / 25°3.210.25.59.20.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23565
33466
43466
53466
63565
73565
83466
93466
103565
113565
123565
133466
143466
153466
163466
173466
183466
193466
203565
213565
223466
233565
243466
253565
263565
273466
283565
293664
303664

Chance of precipitation in April

Any precipitationSnow

Altoona gets around 4.2 in of rain and snow over 13.4 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 45% and peaks near 47% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1459
2459
3458
4458
5448
6447
7447
8436
9436
10425
11425
12425
13425
14434
15434
16444
17444
18454
19453
20453
21463
22463
23463
24473
25472
26472
27472
28472
29471
30471

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59820
69820
79820
89820
99820
109820
119820
129730
139730
149730
159730
169730
179730
189730
199730
209640
219640
229640
239451
249451
259361
269271
279271
289181
299091
309091

Wind in April

Winds average 8 mph in April.

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
197light breeze
207calm
217calm
227calm
237calm
247calm
257calm
267calm
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 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 6:06 AM to 5:21 AM, and sunset from 6:30 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:066:30
212.46:046:31
312.56:036:32
412.56:016:33
512.65:596:34
612.65:586:36
712.75:566:37
812.75:546:38
912.85:536:39
1012.85:516:40
1112.95:506:41
1212.95:486:42
1312.95:466:43
1413.05:456:44
1513.05:436:45
1613.15:426:46
1713.15:406:47
1813.25:386:48
1913.25:376:49
2013.25:356:50
2113.35:346:51
2213.35:326:52
2313.45:316:53
2413.45:296:54
2513.55:286:56
2613.55:276:57
2713.55:256:58
2813.65:246:59
2913.65:227:00
3013.75:217:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.91 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 5.92 kWh/m² in June across the year — April's 4.91 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Altoona?

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

3.8
Sightseeing
7th-best month of the year
0.3
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Altoona.

What to pack for Altoona in April

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

In April, Altoona sees daytime highs around 58°F and nights near 39°F. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Altoona 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 Altoona peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highHighModerateLowJun 23UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Altoona 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 Altoona is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 147 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr12Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Altoona?

Altoona sits at 40.5°N, 78.4°W, 1,165 ft above sea level, in United States. The nearest listed city is Johnstown, 30 mi away.

Topography around Altoona

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

Within 2 miles, the terrain around Altoona has significant variations in elevation — a maximum elevation change of 942 ft around an average of 1,302 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,762 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,703 ft.

The land around Altoona is covered by trees (54%) and artificial surfaces (35%) within 2 miles, trees (80%) within 10 miles, and trees (80%) within 50 miles.

2 miles
942 ft
10 miles
1,762 ft
50 miles
2,703 ft
treesgrasslandcroplandartificial surfaces
April weather nearby: Johnstown 30 mi · State College 34 mi · Chambersburg 56 mi · Cumberland 63 mi · Carlisle 67 mi · Murrysville 69 mi · Hagerstown 70 mi · Plum 71 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 Altoona (40.5187°, -78.3947°, elevation 1,165 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).