Porterville weather in April

In April, Porterville sees average daytime highs of 70°F and overnight lows near 50°F, with 1.7 in of rain across 6.2 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 67°F in the first days to 74°F by the end. The sky is clear or mostly clear about 47% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Porterville's 8th-clearest and 3rd-windiest month. For the whole year in context, see Porterville's year-round climate.

Daytime high
70°
7th warmest
Overnight low
50°
6th coldest
Rainfall
1.7 in
6.2 wet days
Daylight
12 h 54 min
5:29 AM – 6:24 PM
Cloud cover
44%
8th clearest
Wind
4 mph
3rd windiest
Solar energy
6.45 kWh/m²
Travel score
7.3
out of 10

Porterville is city in Tulare County, California, United States.

Density
1,224/km²
people per km²
Founded
1902

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 67°F in the first days to 74°F by the end.

A typical April day in Porterville reaches about 70°F in the afternoon and slips back to 50°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 81°F. Set against its neighbours, April runs about 5°F warmer than March and about 8°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16748
26748
36748
46748
56748
66848
76848
86848
96849
106849
116949
126949
136949
146949
157049
167050
177050
187150
197150
207151
217151
227251
237251
247352
257352
267352
277353
287453
297453
307453

How April really feels in Porterville

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.

Porterville weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 42°3.28.89.84.6
Feb61° / 44°3.21010.65.0
Mar65° / 47°3.39.711.76.1
Apr70° / 50°1.76.212.97.3
May78° / 57°0.93.513.98.2
Jun87° / 64°0.20.814.46.3
Jul94° / 70°0.00.314.24.0
Aug93° / 69°0.00.213.44.1
Sep87° / 64°0.10.412.26.3
Oct77° / 55°0.72.811.18.5
Nov65° / 46°1.8610.16.7
Dec58° / 41°2.98.29.64.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
26040
36040
46040
56040
66040
76040
86040
96040
106040
116139
126139
136139
146139
156139
166238
176238
186337
196436
206436
216535
226535
236733
246733
256733
266931
276931
286931
297030
307129

Chance of precipitation in April

Any precipitation

Porterville gets around 1.7 in of rain over 6.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
126
225
324
424
523
623
723
823
923
1023
1123
1223
1323
1423
1522
1622
1722
1821
1921
2020
2120
2219
2319
2418
2518
2617
2717
2817
2916
3016

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59820
69820
79730
89730
99730
109730
119730
129730
139640
149640
159550
169550
179550
189460
199460
209370
219370
229280
239181
249091
259091
269091
279091
289091
299091
309091

Wind in April

Winds average 4 mph in April.

Across April, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 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 5:50 AM to 5:11 AM, and sunset from 6:11 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:506:11
212.45:496:12
312.45:476:13
412.55:466:14
512.55:456:14
612.55:436:15
712.65:426:16
812.65:406:17
912.75:396:18
1012.75:376:19
1112.75:366:19
1212.85:346:20
1312.85:336:21
1412.85:326:22
1512.95:306:23
1612.95:296:24
1713.05:276:25
1813.05:266:25
1913.05:256:26
2013.15:236:27
2113.15:226:28
2213.15:216:29
2313.25:206:30
2413.25:186:31
2513.25:176:31
2613.35:166:32
2713.35:156:33
2813.35:136:34
2913.45:126:35
3013.45:116:36

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.45 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 8.25 kWh/m² in June across the year — April's 6.45 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
56.0Bright
66.0Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.6Intense
196.6Intense
206.7Intense
216.7Intense
226.7Intense
236.8Intense
246.8Intense
256.9Intense
266.9Intense
277.0Intense
287.0Intense
297.0Intense
307.1Intense
Planning a trip in April

Is April a good time to visit Porterville?

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

7.3
Sightseeing
3rd-best month of the year
4.6
Beach & pool
7th-best month of the year

April is one of the better times to visit Porterville for general sightseeing.

What to pack for Porterville in April

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

In April, Porterville sees daytime highs around 70°F and nights near 50°F. Pack sun protection. About 6 days see rain.

sun protection

UV index in Porterville in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porterville peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 20UV 10Dec 15UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Very high
Aug10Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Porterville 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 Porterville is worst in September — around 69 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (May, 10 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateUnhealthyModerateSep 1665 µg/m³May 2410 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar15Moderate
Apr12Good
May10Good
Jun10Good
Jul17Moderate
Aug33Moderate
Sep69Unhealthy
Oct36Poor
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Porterville?

Porterville sits at 36.1°N, 119.0°W, 459 ft above sea level, in United States. The nearest listed city is Tulare, 21 mi away.

Topography around Porterville

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

Within 2 miles, the terrain around Porterville has only modest variations in elevation — a maximum elevation change of 417 ft around an average of 469 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,926 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 13,510 ft.

The land around Porterville is covered by artificial surfaces (55%) and grassland (20%) within 2 miles, grassland (47%) and trees (25%) within 10 miles, and trees (36%) and grassland (35%) within 50 miles.

2 miles
417 ft
10 miles
1,926 ft
50 miles
13,510 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Tulare 21 mi · Visalia 24 mi · Delano 24 mi · Corcoran 30 mi · Wasco 37 mi · Dinuba 39 mi · Hanford 40 mi · Shafter 42 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 Porterville (36.0652°, -119.0168°, elevation 459 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).