San Martin weather in March

In March, San Martin sees average daytime highs of 32°C and overnight lows near 23°C, with 107 mm of rain across 11.2 wet days and about 12 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 4% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is San Martin's 12th-clearest and 12th-windiest month. For the whole year in context, see San Martin's year-round climate.

Daytime high
32°
1st warmest
Overnight low
23°
12th coldest
Rainfall
107 mm
11.2 wet days
Daylight
12 hours
6:31 AM – 6:33 PM
Cloud cover
79%
12th clearest
Wind
9 km/h
12th windiest
Solar energy
5.73 kWh/m²
Travel score
3.5
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical March day in San Martin reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How March really feels in San Martin

Once humidity and wind are folded in, March averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Martin weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°375.512.34.6
Feb32° / 23°629.412.23.7
Mar32° / 23°10711.2123.5
Apr32° / 22°386.411.94.5
May30° / 20°72.311.86.0
Jun28° / 19°30.911.77.9
Jul26° / 18°10.211.78.5
Aug26° / 17°00.111.88.8
Sep27° / 17°20.6128.3
Oct27° / 18°41.512.17.8
Nov28° / 18°82.212.27.0
Dec30° / 20°214.912.35.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in March, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61684
71684
81684
91684
101684
111486
121486
131486
141486
151387
161486
171585
181585
191585
201585
211585
221783
231783
241882
252080
262080
272377
282575
292575
302773
312773

Chance of precipitation in March

Any precipitation

San Martin gets around 107 mm of rain over 11.2 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
536
635
735
835
935
1035
1136
1236
1336
1436
1537
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2636
2736
2836
2935
3035
3134

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the muggy band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11166194
21166194
31167184
41167184
51168174
61168174
71169164
81169164
91169164
101169164
111169164
121169164
131169164
141267174
151267174
161366174
171365184
181464184
191562194
201661194
211660204
221759204
231858204
241956214
251956214
262055214
272056204
282155204
292157193
302256193
312257183

Wind in March

Winds average 9 km/h in March, the calmest month.

Across March, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
2910calm
3010calm
3110calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 06 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over March. Sunrise moves from 6:33 AM to 6:29 AM, and sunset from 6:39 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:336:39
212.16:336:39
312.16:336:38
412.16:336:38
512.16:326:38
612.16:326:37
712.16:326:37
812.16:326:37
912.16:326:36
1012.16:326:36
1112.16:326:35
1212.16:326:35
1312.06:326:35
1412.06:326:34
1512.06:316:34
1612.06:316:33
1712.06:316:33
1812.06:316:33
1912.06:316:32
2012.06:316:32
2112.06:316:31
2212.06:306:31
2312.06:306:30
2412.06:306:30
2512.06:306:29
2612.06:306:29
2712.06:296:28
2812.06:296:28
2912.06:296:27
3012.06:296:27
3112.06:296:27

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.73 kWh/m².

For context, solar energy here swings from a low near 5.39 kWh/m² to a high of 6.68 kWh/m² in October across the year — March's 5.73 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in March

Is March a good time to visit San Martin?

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

3.5
Sightseeing
12th-best month of the year
5.9
Beach & pool
12th-best month of the year

March is a weaker month for outdoor sightseeing in San Martin.

What to pack for San Martin in March

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

In March, San Martin sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near San Martin in March

The nearest coast averages about 23°C 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 54 km away) is warmest in February at about 23°C and coldest in September near 18°C.

It's comfortable for a long swim from Dec 25 to May 15 — about 4.7 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb23Refreshing
Mar23Refreshing
Apr21Refreshing
May20Refreshing
Jun19Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct18Cool
Nov19Cool
Dec20Cool

UV index in San Martin in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 16 (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 Martin peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jun 22UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is San Martin?

San Martin sits at 5.2°S, 80.7°W, 35 m above sea level, in Peru. The nearest listed city is Piura, 1.0 km away.

Topography around San Martin

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

Within 3 km, the terrain around San Martin has only modest variations in elevation — a maximum elevation change of 26 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 127 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,178 m.

The land around San Martin is covered by artificial surfaces (57%) and bare terrain (25%) within 3 km, bare terrain (58%) within 16 km, and bare terrain (36%) and shrubs (26%) within 80 km.

3 km
26 m
16 km
127 m
80 km
2,178 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Piura 1.0 km · Catacaos 9.0 km · La Unión 25 km · Sullana 31 km · Marcavelica 34 km · Querecotillo 39 km · Sechura 45 km · Tambo Grande 46 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Martin (-5.1859°, -80.6693°, elevation 35 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).