San Clemente weather in March

In March, San Clemente sees average daytime highs of 25°C and overnight lows near 12°C, with 15 mm of rain across 1.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 78% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is San Clemente's 3rd-clearest and 9th-windiest month. For the whole year in context, see San Clemente's year-round climate.

Daytime high
25°
4th warmest
Overnight low
12°
9th coldest
Rainfall
15 mm
1.6 wet days
Daylight
12 h 18 min
7:47 AM – 8:04 PM
Cloud cover
22%
3rd clearest
Wind
8 km/h
9th windiest
Solar energy
6.13 kWh/m²
Travel score
8.8
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 23°C by the end.

A typical March day in San Clemente reaches about 25°C in the afternoon and slips back to 12°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, March runs about 2°C cooler than February and about 5°C warmer than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12713
22713
32713
42713
52712
62612
72612
82612
92612
102612
112612
122612
132612
142612
152612
162512
172512
182511
192511
202511
212511
222511
232411
242411
252411
262411
272411
282411
292410
302310
312310

San Clemente weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°5114.18.0
Feb28° / 13°80.913.38.5
Mar25° / 12°151.612.38.8
Apr20° / 544.411.17.5
May16° / 1448.410.25.3
Jun14° / 221129.63.7
Jul13° / 16010.29.83.8
Aug15° / 1319.310.74.6
Sep17° / 736.811.86.0
Oct20° / 475.312.97.2
Nov24° / 10°192.413.98.6
Dec27° / 12°171.714.48.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 8% of March, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28812
38812
48812
58713
68713
78713
88713
98713
108614
118614
128713
138713
148713
158713
168713
178713
188713
198713
208614
218515
228515
238515
248416
258317
268317
278119
288119
298020
308020
317921

Chance of precipitation in March

Any precipitation

San Clemente gets around 15 mm of rain over 1.6 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 5% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175
185
195
205
215
225
235
246
256
266
277
287
297
308
318

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
162344
263343
364333
465323
565323
667312
767312
868302
968302
1069292
1170282
1270282
1371272
1473261
1573261
1674251
1775241
1876231
1977221
2078211
2180191
2281181
2382171
2484160
2585150
2686140
2786140
2887130
2988120
3088120
3189110

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over March. Sunrise moves from 7:34 AM to 8:00 AM, and sunset from 8:24 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:348:24
212.87:358:23
312.87:368:22
412.77:378:21
512.77:388:19
612.77:388:18
712.67:398:17
812.67:408:15
912.57:418:14
1012.57:428:12
1112.57:438:11
1212.47:448:10
1312.47:458:08
1412.47:468:07
1512.37:468:05
1612.37:478:04
1712.27:488:03
1812.27:498:01
1912.27:508:00
2012.17:517:58
2112.17:527:57
2212.07:527:55
2312.07:537:54
2412.07:547:52
2511.97:557:51
2611.97:567:49
2711.97:577:48
2811.87:577:46
2911.87:587:45
3011.77:597:43
3111.78:007:42

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.13 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 8.75 kWh/m² in January across the year — March's 6.13 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
26.9Intense
36.8Intense
46.8Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.5Intense
106.5Intense
116.4Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.0Intense
196.0Bright
205.9Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.6Bright
265.5Bright
275.5Bright
285.4Bright
295.3Bright
305.3Bright
315.2Bright
Planning a trip in March

Hazard calendar for San Clemente

In seasonPeak

None of San Clemente's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Clemente's rainy season runs May–August, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit San Clemente?

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

8.8
Sightseeing
1st-best month of the year
7.9
Beach & pool
4th-best month of the year

March is one of the better times to visit San Clemente for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Clemente in March

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

In March, San Clemente sees daytime highs around 25°C and nights near 12°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in San Clemente in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Clemente peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 15UV 13Jun 15UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in San Clemente 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 Clemente is worst in February — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1425 µg/m³Dec 1412 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb26Moderate
Mar16Moderate
Apr19Moderate
May25Moderate
Jun21Moderate
Jul22Moderate
Aug21Moderate
Sep20Moderate
Oct16Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is San Clemente?

San Clemente sits at 35.5°S, 71.5°W, 214 m above sea level, in Chile. The nearest listed city is Colbún, 19 km away.

Topography around San Clemente

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Clemente.

Within 3 km, the terrain around San Clemente has only modest variations in elevation — a maximum elevation change of 55 m around an average of 204 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 596 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,923 m.

The land around San Clemente is covered by cropland (63%) within 3 km, cropland (45%), trees (25%) and grassland (22%) within 16 km, and trees (38%) and grassland (33%) within 80 km.

3 km
55 m
16 km
596 m
80 km
3,923 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Colbún 19 km · Talca 19 km · San Javier 23 km · Linares 36 km · Molina 51 km · Longaví 51 km · Sagrada Familia 61 km · Curicó 66 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

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 Clemente (-35.5378°, -71.487°, elevation 214 m), 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).