Santiago weather in March

In March, Santiago sees average daytime highs of 22°C and overnight lows near 11°C, with 131 mm of rain across 14.2 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 46% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Santiago's 6th-clearest and 3rd-windiest month. For the whole year in context, see Santiago's year-round climate.

Daytime high
22°
8th warmest
Overnight low
11°
5th coldest
Rainfall
131 mm
14.2 wet days
Daylight
11 h 48 min
6:56 AM – 6:45 PM
Cloud cover
48%
6th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.7 kWh/m²
Travel score
6.2
out of 10

Santiago is municipal seat of Santiago, State of Nuevo León, Mexico.

Founded
1648

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 21°C in the first days to 23°C by the end.

A typical March day in Santiago reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, March runs about 2°C warmer than February and about 3°C cooler than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1219
2219
3219
4219
5219
62110
72110
82110
92110
102110
112110
122110
132110
142210
152210
162211
172211
182211
192211
202211
212211
222211
232311
242312
252312
262312
272312
282312
292312
302312
312312

Santiago weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 609.310.65.9
Feb20° / 8410.111.16.3
Mar22° / 11°13114.211.86.2
Apr25° / 14°17215.612.66.1
May27° / 16°1581613.25.9
Jun28° / 18°871113.66.0
Jul29° / 18°8810.413.45.8
Aug29° / 18°6810.412.95.9
Sep26° / 17°19116.212.25.8
Oct24° / 14°10711.111.47.0
Nov20° / 10°669.210.86.7
Dec18° / 477.110.46.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36238
46238
56139
66139
76040
86139
96040
106040
115941
125941
135941
146040
156139
166139
176139
186238
196337
206337
216337
226337
236436
246337
256337
266238
276238
286139
296139
306040
315941

Chance of precipitation in March

Any precipitation

Santiago gets around 131 mm of rain over 14.2 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 46% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
239
339
439
540
640
741
842
942
1043
1143
1244
1344
1445
1545
1645
1746
1846
1947
2047
2148
2249
2349
2450
2551
2652
2752
2853
2953
3054
3154

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801910
2782020
3782020
4772120
5772120
6762220
7762220
8752320
9732430
10732430
11722530
12712540
13702640
14682750
15682750
16662860
17652870
18632980
19623080
20603190
215931100
225732110
235633110
245434120
255434120
265235130
275135140
285135140
294936150
304936150
314836151

Wind in March

Winds average 6 km/h in March.

Across March, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 24 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over March. Sunrise moves from 7:11 AM to 6:40 AM, and sunset from 6:37 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:116:37
211.57:106:38
311.57:096:38
411.57:086:39
511.57:076:39
611.67:066:40
711.67:056:40
811.67:046:41
911.67:036:41
1011.77:026:42
1111.77:016:42
1211.77:006:43
1311.76:596:43
1411.86:586:44
1511.86:576:44
1611.86:566:45
1711.86:556:45
1811.96:546:46
1911.96:536:46
2011.96:526:47
2111.96:506:47
2212.06:496:48
2312.06:486:48
2412.06:476:48
2512.06:466:49
2612.16:456:49
2712.16:446:50
2812.16:436:50
2912.16:426:51
3012.26:416:51
3112.26:406:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.7 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.76 kWh/m² in June across the year — March's 5.7 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
256.0Bright
266.0Bright
276.0Intense
286.0Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in March

Is March a good time to visit Santiago?

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

6.2
Sightseeing
5th-best month of the year
4.3
Beach & pool
8th-best month of the year

March is a reasonable time to visit Santiago for sightseeing.

What to pack for Santiago in March

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

In March, Santiago sees daytime highs around 22°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 14 days see rain.

rain gearsun protection

UV index in Santiago 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 Santiago peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 21UV 11Dec 19UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr11Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Santiago 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 Santiago is worst in December — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1724 µg/m³Aug 1518 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb21Moderate
Mar24Moderate
Apr21Moderate
May22Moderate
Jun20Moderate
Jul19Moderate
Aug18Moderate
Sep20Moderate
Oct20Moderate
Nov22Moderate
Dec24Moderate
Location & terrain

Where is Santiago?

Santiago sits at 25.4°N, 100.2°W, 486 m above sea level, in Mexico. The nearest listed city is Ciudad de Allende, 21 km away.

Topography around Santiago

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

Within 3 km, the terrain around Santiago has significant variations in elevation — a maximum elevation change of 452 m around an average of 513 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,598 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,555 m.

The land around Santiago is covered by trees (68%) within 3 km, trees (81%) within 16 km, and shrubs (47%) and trees (36%) within 80 km.

3 km
452 m
16 km
2,598 m
80 km
3,555 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Ciudad de Allende 21 km · Jardines de la Silla 23 km · Cadereyta Jiménez 24 km · Cadereyta 24 km · Ciudad Benito Juárez 25 km · Guadalupe 30 km · Monterrey 33 km · San Pedro Garza García 36 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 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 Santiago (25.426°, -100.154°, elevation 486 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).