Rengo weather in March

In March, Rengo sees average daytime highs of 22°C and overnight lows near 9°C, with 14 mm of rain across 2.4 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 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 82% 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 Rengo's 3rd-clearest and 6th-windiest month. For the whole year in context, see Rengo's year-round climate.

Daytime high
22°
4th warmest
Overnight low
9th coldest
Rainfall
14 mm
2.4 wet days
Daylight
12 h 18 min
7:45 AM – 8:01 PM
Cloud cover
19%
3rd clearest
Wind
4 km/h
6th windiest
Solar energy
6.42 kWh/m²
Travel score
8.7
out of 10

Rengo is municipality in Chile.

Air quality
Elevated
PM2.5 23.8 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical March day in Rengo reaches about 22°C in the afternoon and slips back to 9°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, March runs about 2°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12310
22310
32310
42310
52310
62310
72310
82310
92310
10239
11239
12239
13239
14229
15229
16229
17229
18229
19229
20229
21228
22228
23228
24218
25218
26218
27218
28218
29218
30218
31217

How March really feels in Rengo

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.

Rengo 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 daysSnow daysDaylight (hours)Travel score
Jan24° / 11°102.20149.2
Feb24° / 11°112.3013.39.1
Mar22° / 142.4012.38.7
Apr18° / 574.70.411.27.0
May15° / 12782.110.24.7
Jun11° / 20910.65.69.72.6
Jul10° / -0°1479.769.92.5
Aug12° / 1238.75.210.73.3
Sep14° / 848.92.911.84.3
Oct17° / 598.71.712.95.8
Nov20° / 356.90.313.87.2
Dec23° / 193.80.114.38.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 7% of March, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7919
8919
9919
10928
11928
12919
13919
149010
159010
169010
179010
188911
198911
208911
218812
228713
238614
248614
258515
268416
278416
288317
298317
308218
318218

Chance of precipitation in March

Any precipitation

Rengo gets around 14 mm of rain over 2.4 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 8% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
48
58
68
78
87
97
107
117
127
137
147
157
167
177
187
197
207
217
228
238
248
259
269
279
2810
2910
3010
3111

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3964
4973
5973
6973
7973
8973
9982
10982
11982
12982
13982
14991
15991
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in March

Winds average 4 km/h in March.

Across March, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)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 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 7:32 AM to 7:57 AM, and sunset from 8:21 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.87:328:21
212.87:338:20
312.77:348:18
412.77:358:17
512.77:368:16
612.67:378:15
712.67:388:13
812.67:388:12
912.57:398:11
1012.57:408:09
1112.47:418:08
1212.47:428:07
1312.47:438:05
1412.37:438:04
1512.37:448:02
1612.37:458:01
1712.27:468:00
1812.27:477:58
1912.27:487:57
2012.17:487:55
2112.17:497:54
2212.07:507:53
2312.07:517:51
2412.07:517:50
2511.97:527:48
2611.97:537:47
2711.97:547:46
2811.87:557:44
2911.87:557:43
3011.87:567:41
3111.77:577:40

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.42 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 8.84 kWh/m² in January across the year — March's 6.42 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.1Intense
47.1Intense
57.0Intense
67.0Intense
76.9Intense
86.9Intense
96.8Intense
106.8Intense
116.7Intense
126.7Intense
136.6Intense
146.5Intense
156.5Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.2Intense
216.1Intense
226.1Intense
236.0Intense
246.0Bright
255.9Bright
265.8Bright
275.7Bright
285.7Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in March

Hazard calendar for Rengo

In seasonPeak

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

Rengo'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 Rengo?

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

8.7
Sightseeing
3rd-best month of the year
6.0
Beach & pool
4th-best month of the year

March is one of the better times to visit Rengo for general sightseeing.

What to pack for Rengo in March

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

In March, Rengo sees daytime highs around 22°C and nights near 9°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Rengo in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rengo peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near May 24 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeJan 17UV 13May 24UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Very high
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug3Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Rengo 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 Rengo is worst in July — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Rengo's WHO annual average of 23.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1832 µg/m³Dec 1216 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb17Moderate
Mar17Moderate
Apr23Moderate
May31Moderate
Jun31Moderate
Jul32Moderate
Aug31Moderate
Sep29Moderate
Oct22Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Rengo?

Rengo sits at 34.4°S, 70.9°W, 326 m above sea level, in Chile. The nearest listed city is San Vicente de Tagua Tagua, 20 km away.

Topography around Rengo

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

Within 3 km, the terrain around Rengo has only modest variations in elevation — a maximum elevation change of 96 m around an average of 320 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,632 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,128 m.

The land around Rengo is covered by cropland (41%), trees (24%) and artificial surfaces (22%) within 3 km, cropland (34%), trees (28%) and shrubs (23%) within 16 km, and trees (23%), bare terrain (22%) and grassland (20%) within 80 km.

3 km
96 m
16 km
1,632 m
80 km
5,128 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
March weather nearby: San Vicente de Tagua Tagua 20 km · San Vicente 21 km · Rancagua 29 km · Machalí 32 km · Chimbarongo 38 km · Graneros 39 km · Santa Cruz 53 km · Paine 67 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 Rengo (-34.4064°, -70.8583°, elevation 326 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).