San Luis Río Colorado weather in March

In March, San Luis Río Colorado sees average daytime highs of 27°C and overnight lows near 13°C, with 10 mm of rain across 1.5 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 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 68% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 18 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 Luis Río Colorado's 9th-clearest and 7th-windiest month. For the whole year in context, see San Luis Río Colorado's year-round climate.

Daytime high
27°
8th warmest
Overnight low
13°
5th coldest
Rainfall
10 mm
1.5 wet days
Daylight
11 h 48 min
6:56 AM – 6:41 PM
Cloud cover
29%
9th clearest
Wind
10 km/h
7th windiest
Solar energy
6.19 kWh/m²
Travel score
8.1
out of 10

San Luis Río Colorado is municipal seat of San Luis, State of Sonora, Mexico.

Founded
1918

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 25°C in the first days to 28°C by the end.

A typical March day in San Luis Río Colorado reaches about 27°C in the afternoon and slips back to 13°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 33°C. Set against its neighbours, March runs about 4°C warmer than February and about 4°C cooler than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12512
22512
32512
42512
52612
62612
72613
82613
92713
102713
112713
122713
132713
142713
152814
162814
172814
182814
192814
202814
212814
222814
232814
242814
252814
262814
272814
282814
292814
302914
312915

How March really feels in San Luis Río Colorado

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

San Luis Río Colorado 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
Jan22° / 10°91.510.18.4
Feb24° / 11°132.310.88.6
Mar27° / 13°101.511.88.1
Apr31° / 16°30.612.86.1
May35° / 20°10.213.63.5
Jun39° / 24°10.214.10.7
Jul41° / 28°51.513.90.0
Aug41° / 29°112.913.20.0
Sep38° / 25°132.212.21.2
Oct33° / 19°50.911.24.9
Nov26° / 13°60.810.38.6
Dec21° / 91.79.98.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27723
37723
47723
57723
67723
77723
87822
97822
107822
117822
127921
137921
147921
157921
168020
178020
188020
198020
208020
218119
228119
238119
248218
258218
268218
278218
288218
298317
308416
318416

Chance of precipitation in March

Any precipitation

San Luis Río Colorado gets around 10 mm of rain over 1.5 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 (%)
18
28
37
47
57
67
76
86
96
105
115
125
135
144
154
164
174
184
194
204
214
224
234
244
254
264
274
284
294
304
314

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991
31991

Wind in March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 18 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 60 minutes over March. Sunrise moves from 7:15 AM to 6:36 AM, and sunset from 6:30 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:156:30
211.37:146:31
311.37:126:31
411.37:116:32
511.47:106:33
611.47:096:34
711.47:086:35
811.57:066:35
911.57:056:36
1011.57:046:37
1111.67:036:38
1211.67:016:38
1311.77:006:39
1411.76:596:40
1511.76:576:41
1611.86:566:41
1711.86:556:42
1811.86:546:43
1911.96:526:43
2011.96:516:44
2111.96:506:45
2212.06:486:46
2312.06:476:46
2412.06:466:47
2512.16:446:48
2612.16:436:48
2712.16:416:49
2812.26:406:50
2912.26:396:51
3012.26:376:51
3112.36:366:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.19 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 8.49 kWh/m² in June across the year — March's 6.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.6Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
126.0Bright
136.0Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.7Intense
276.7Intense
286.8Intense
296.8Intense
306.9Intense
316.9Intense
Planning a trip in March

Is March a good time to visit San Luis Río Colorado?

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

8.1
Sightseeing
5th-best month of the year
8.5
Beach & pool
2nd-best month of the year

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

What to pack for San Luis Río Colorado in March

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

In March, San Luis Río Colorado sees daytime highs around 27°C and nights near 13°C. Pack light clothes and sun protection.

light clothessun protection

UV index in San Luis Río Colorado 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 Luis Río Colorado peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 23UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is San Luis Río Colorado?

San Luis Río Colorado sits at 32.5°N, 114.8°W, 36 m above sea level, in Mexico. The nearest listed city is San Luis, 4.0 km away.

Topography around San Luis Río Colorado

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

Within 3 km, the terrain around San Luis Río Colorado has only modest variations in elevation — a maximum elevation change of 24 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, large variations in elevation — a maximum elevation change of 1,108 m.

The land around San Luis Río Colorado is covered by artificial surfaces (83%) within 3 km, bare terrain (56%) and cropland (32%) within 16 km, and bare terrain (73%) within 80 km.

3 km
24 m
16 km
53 m
80 km
1,108 m
treesshrubscroplandartificial surfacesbare terrainwaterwetland
March weather nearby: San Luis 4.0 km · Somerton 17 km · Yuma 33 km · Ciudad Guadalupe Victoria 36 km · Fortuna Foothills 40 km · Puebla 56 km · Mexicali 67 km · Calexico 73 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 San Luis Río Colorado (32.4555°, -114.7704°, elevation 36 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).