Porterville weather in March

In March, Porterville sees average daytime highs of 65°F and overnight lows near 47°F, with 3.3 in of rain across 9.7 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 67°F by the end. The sky is clear or mostly clear about 35% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Porterville's 10th-clearest and 6th-windiest month. For the whole year in context, see Porterville's year-round climate.

Daytime high
65°
8th warmest
Overnight low
47°
5th coldest
Rainfall
3.3 in
9.7 wet days
Daylight
11 h 42 min
6:14 AM – 5:57 PM
Cloud cover
53%
10th clearest
Wind
3 mph
6th windiest
Solar energy
4.96 kWh/m²
Travel score
6.1
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 63°F in the first days to 67°F by the end.

A typical March day in Porterville reaches about 65°F in the afternoon and slips back to 47°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 75°F. Set against its neighbours, March runs about 4°F warmer than February and about 5°F cooler than April.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16245
26245
36345
46345
56345
66446
76446
86446
96446
106546
116546
126547
136547
146547
156647
166647
176647
186647
196647
206647
216648
226648
236648
246648
256648
266648
276648
286748
296748
306748
316748

How March really feels in Porterville

Once humidity and wind are folded in, March 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

March 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 March compares with the rest of the year at a glance. March is the 8th-warmest and 1st-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34951
44951
54951
64951
75050
85149
95149
105248
115248
125347
135347
145347
155347
165347
175347
185347
195347
205347
215446
225446
235446
245545
255545
265644
275644
285842
295842
305842
315842

Chance of precipitation in March

Any precipitation

Porterville gets around 3.3 in of rain over 9.7 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
336
435
534
633
733
832
931
1030
1130
1229
1329
1429
1529
1630
1731
1831
1932
2032
2132
2232
2332
2431
2531
2630
2730
2829
2928
3027
3126

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
2991
3991
4991
5991
6991
7982
8982
9982
10982
11973
12973
13973
14973
15973
16964
17964
18964
19964
20964
21964
22973
23973
24973
25973
26973
27973
28973
29973
30973
31982

Wind in March

Winds average 3 mph in March.

Across March, daily wind ranges from about 3 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 6:35 AM to 5:52 AM, and sunset from 5:44 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:355:44
211.26:345:44
311.26:325:45
411.36:315:46
511.36:305:47
611.36:285:48
711.46:275:49
811.46:265:50
911.46:245:51
1011.56:235:52
1111.56:215:53
1211.66:205:54
1311.66:195:55
1411.66:175:55
1511.76:165:56
1611.76:145:57
1711.86:135:58
1811.86:115:59
1911.86:106:00
2011.96:086:01
2111.96:076:02
2212.06:056:02
2312.06:046:03
2412.06:026:04
2512.16:016:05
2612.15:596:06
2712.15:586:07
2812.25:566:08
2912.25:556:08
3012.35:536:09
3112.35:526:10

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.96 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 — March's 4.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.6Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in March

Is March a good time to visit Porterville?

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

6.1
Sightseeing
7th-best month of the year
2.3
Beach & pool
9th-best month of the year

March is a reasonable time to visit Porterville for sightseeing.

What to pack for Porterville in March

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

In March, Porterville sees daytime highs around 65°F and nights near 47°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Porterville in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — 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 March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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
March 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).