Tustin weather in March

In March, Tustin sees average daytime highs of 66°F and overnight lows near 51°F, with 2.2 in of rain across 6 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 66°F through the month. The sky is clear or mostly clear about 45% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Tustin's 10th-clearest and 4th-windiest month. For the whole year in context, see Tustin's year-round climate.

Daytime high
66°
9th warmest
Overnight low
51°
4th coldest
Rainfall
2.2 in
6 wet days
Daylight
11 h 42 min
6:09 AM – 5:53 PM
Cloud cover
45%
10th clearest
Wind
4 mph
4th windiest
Solar energy
5.3 kWh/m²
Travel score
6.9
out of 10

Tustin is city in Orange County, California, United States.

Density
2,800/km²
people per km²
Founded
1927

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 66°F through the month.

A typical March day in Tustin reaches about 66°F in the afternoon and slips back to 51°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 58°F and 75°F. Set against its neighbours, March runs about 2°F warmer than February and about 3°F cooler than April.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16449
26549
36549
46549
56549
66549
76550
86650
96650
106650
116650
126650
136650
146651
156651
166651
176651
186651
196651
206651
216651
226651
236651
246651
256651
266651
276651
286651
296651
306651
316751

Tustin weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 47°3.15.7106.7
Feb64° / 48°3.66.410.76.5
Mar66° / 51°2.2611.76.9
Apr69° / 53°0.93.112.87.8
May71° / 57°0.41.713.78.4
Jun76° / 60°0.10.314.29.2
Jul81° / 64°0.10.5148.8
Aug83° / 65°0.00.213.38.3
Sep81° / 64°0.20.812.28.6
Oct76° / 59°0.72.211.28.8
Nov70° / 52°0.92.610.28.1
Dec64° / 47°2.259.86.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45743
55743
65842
75941
86040
96238
106238
116337
126535
136535
146634
156634
166733
176634
186634
196733
206634
216634
226634
236535
246535
256535
266634
276634
286634
296634
306634
316634

Chance of precipitation in March

Any precipitation

Tustin gets around 2.2 in of rain over 6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
325
425
524
624
723
822
922
1021
1121
1220
1320
1419
1519
1619
1719
1819
1918
2018
2118
2218
2317
2417
2517
2616
2716
2815
2914
3014
3114

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3973
4964
5964
6955
7955
8946
9937
10928
11928
12919
13919
149010
159010
169010
179010
189010
199010
209010
21919
22919
23928
24928
25937
26937
27946
28946
29946
30955
31955

Wind in March

Winds average 4 mph in March.

Across March, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 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 66 minutes over March. Sunrise moves from 6:28 AM to 5:48 AM, and sunset from 5:41 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:285:41
211.26:275:42
311.36:265:43
411.36:245:43
511.46:235:44
611.46:225:45
711.46:215:46
811.56:195:47
911.56:185:48
1011.56:175:48
1111.66:155:49
1211.66:145:50
1311.66:135:51
1411.76:115:52
1511.76:105:52
1611.76:095:53
1711.86:075:54
1811.86:065:55
1911.86:055:55
2011.96:035:56
2111.96:025:57
2212.06:005:58
2312.05:595:59
2412.05:585:59
2512.15:566:00
2612.15:556:01
2712.15:546:02
2812.25:526:02
2912.25:516:03
3012.25:496:04
3112.35:486:05

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.3 kWh/m².

For context, solar energy here swings from a low near 2.97 kWh/m² to a high of 7.88 kWh/m² in June across the year — March's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.8Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.1Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
315.9Bright
Planning a trip in March

Is March a good time to visit Tustin?

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

6.9
Sightseeing
9th-best month of the year
2.9
Beach & pool
9th-best month of the year

March is a reasonable time to visit Tustin for sightseeing.

What to pack for Tustin in March

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

In March, Tustin sees daytime highs around 66°F and nights near 51°F. Worth packing: sun protection. About 6 days see rain.

sun protection

Sea temperature near Tustin in March

The nearest coast averages about 59°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 9 mi away) is warmest in August at about 69°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb59Cool
Mar59Cool
Apr60Cool
May63Cool
Jun65Cool
Jul68Refreshing
Aug69Refreshing
Sep69Refreshing
Oct67Cool
Nov64Cool
Dec60Cool

UV index in Tustin 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 Tustin peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 17UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Tustin 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 Tustin is worst in September — around 49 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (May, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1447 µg/m³May 1713 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar19Moderate
Apr17Moderate
May12Moderate
Jun17Moderate
Jul19Moderate
Aug32Moderate
Sep49Poor
Oct21Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Tustin?

Tustin sits at 33.7°N, 117.8°W, 141 ft above sea level, in United States. The nearest listed city is North Tustin, 2.5 mi away.

Topography around Tustin

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

Within 2 miles, the terrain around Tustin has only modest variations in elevation — a maximum elevation change of 220 ft around an average of 141 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,585 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,010 ft.

The land around Tustin is covered by artificial surfaces (90%) within 2 miles, artificial surfaces (64%) within 10 miles, and water (32%) and artificial surfaces (25%) within 50 miles.

2 miles
220 ft
10 miles
2,585 ft
50 miles
10,010 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: North Tustin 2.5 mi · Santa Ana 2.5 mi · Tustin Legacy 3.1 mi · Orange 3.1 mi · Westpark 4.3 mi · Northwood 4.3 mi · El Camino Real 4.3 mi · Woodbridge 5.0 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 Tustin (33.7458°, -117.8262°, elevation 141 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).