San Jacinto weather in March

In March, San Jacinto sees average daytime highs of 64°F and overnight lows near 44°F, with 2.2 in of precipitation across 6.6 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 62°F in the first days to 65°F by the end. 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 San Jacinto's 10th-clearest and 3rd-windiest month. For the whole year in context, see San Jacinto's year-round climate.

Daytime high
64°
9th warmest
Overnight low
44°
4th coldest
Precipitation
2.2 in
6.6 wet days
Daylight
11 h 42 min
6:05 AM – 5:50 PM
Cloud cover
45%
10th clearest
Wind
4 mph
3rd windiest
Solar energy
5.61 kWh/m²
Travel score
6.5
out of 10

San Jacinto is city in Riverside County, California, United States.

Density
694/km²
people per km²
Founded
1888

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 62°F in the first days to 65°F by the end.

A typical March day in San Jacinto reaches about 64°F in the afternoon and slips back to 44°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 76°F. Set against its neighbours, March runs about 3°F warmer than February and about 5°F cooler than April.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16242
26242
36243
46243
56343
66343
76343
86444
96444
106444
116444
126544
136544
146545
156545
166545
176545
186545
196545
206545
216545
226545
236545
246545
256545
266545
276545
286545
296546
306546
316646

San Jacinto weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan61° / 40°2.96.60.7105.6
Feb61° / 42°3.57.7110.75.5
Mar64° / 44°2.26.60.611.76.5
Apr69° / 48°1.14.50.312.87.6
May74° / 53°0.52.7013.78.6
Jun82° / 60°0.10.6014.28.1
Jul88° / 66°0.21.20145.8
Aug89° / 67°0.11013.35.5
Sep85° / 62°0.21012.26.9
Oct77° / 54°0.72.9011.18.6
Nov68° / 46°1.13.30.110.27.7
Dec60° / 40°2.35.50.49.85.6

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 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55644
65743
75941
86040
96139
106238
116238
126436
136436
146535
156535
166535
176535
186535
196535
206535
216535
226535
236535
246535
256535
266535
276535
286535
296535
306634
316634

Chance of precipitation in March

Any precipitationSnow

San Jacinto gets around 2.2 in of rain and snow over 6.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 22% and peaks near 30% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1303
2293
3283
4273
5262
6262
7252
8242
9232
10232
11222
12222
13212
14212
15212
16213
17212
18212
19212
20212
21212
22212
23202
24202
25202
26202
27202
28192
29192
30192
31192

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 4 mph in March.

Across March, 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.

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
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 6:25 AM to 5:44 AM, and sunset from 5:37 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:255:37
211.26:245:38
311.36:225:39
411.36:215:40
511.36:205:41
611.46:195:42
711.46:175:42
811.56:165:43
911.56:155:44
1011.56:135:45
1111.66:125:46
1211.66:115:47
1311.66:095:47
1411.76:085:48
1511.76:075:49
1611.76:055:50
1711.86:045:50
1811.86:035:51
1911.86:015:52
2011.96:005:53
2111.95:585:54
2212.05:575:54
2312.05:565:55
2412.05:545:56
2512.15:535:57
2612.15:515:57
2712.15:505:58
2812.25:495:59
2912.25:476:00
3012.25:466:00
3112.35:446:01

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.61 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 8.35 kWh/m² in June across the year — March's 5.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.1Bright
85.2Bright
95.2Bright
105.3Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
246.0Bright
256.0Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in March

Is March a good time to visit San Jacinto?

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

6.5
Sightseeing
7th-best month of the year
2.2
Beach & pool
9th-best month of the year

March is a reasonable time to visit San Jacinto for sightseeing.

What to pack for San Jacinto in March

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

In March, San Jacinto sees daytime highs around 64°F and nights near 44°F. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

UV index in San Jacinto 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 San Jacinto peaks around June 23 at about 11 (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 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in San Jacinto 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 San Jacinto is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1437 µg/m³Dec 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May8Good
Jun19Moderate
Jul12Moderate
Aug20Moderate
Sep40Poor
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is San Jacinto?

San Jacinto sits at 33.8°N, 117.0°W, 1,565 ft above sea level, in United States. The nearest listed city is Hemet, 2.5 mi away.

Topography around San Jacinto

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

Within 2 miles, the terrain around San Jacinto has only modest variations in elevation — a maximum elevation change of 522 ft around an average of 1,568 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,350 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,598 ft.

The land around San Jacinto is covered by artificial surfaces (50%) and grassland (23%) within 2 miles, shrubs (41%) and grassland (29%) within 10 miles, and shrubs (33%) within 50 miles.

2 miles
522 ft
10 miles
4,350 ft
50 miles
11,598 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Hemet 2.5 mi · East Hemet 3.1 mi · Beaumont 9.9 mi · Banning 11 mi · Menifee 11 mi · Sun City 15 mi · Perris 16 mi · Yucaipa 18 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 San Jacinto (33.7839°, -116.9586°, elevation 1,565 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).