Los Álamos weather in March

In March, Los Álamos sees average daytime highs of 17°C and overnight lows near 12°C, with 33 mm of rain across 5.1 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 60% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Los Álamos's 3rd-clearest and 10th-windiest month. For the whole year in context, see Los Álamos's year-round climate.

Daytime high
17°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
33 mm
5.1 wet days
Daylight
12 h 18 min
7:54 AM – 8:13 PM
Cloud cover
35%
3rd clearest
Wind
16 km/h
10th windiest
Solar energy
5.5 kWh/m²
Travel score
6.6
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical March day in Los Álamos reaches about 17°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 19°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11812
21812
31812
41812
51812
61812
71812
81812
91812
101712
111712
121712
131712
141712
151712
161712
171712
181712
191712
201711
211711
221711
231711
241711
251711
261711
271711
281611
291611
301611
311611

Los Álamos weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 12°152.914.37.5
Feb18° / 12°192.713.57.5
Mar17° / 12°335.112.36.6
Apr15° / 10°777.611.14.9
May13° / 17212.4103.5
Jun12° / 25416.49.52.5
Jul11° / 20815.69.72.4
Aug11° / 17414.410.62.6
Sep12° / 9010.111.73.3
Oct13° / 749.3134.0
Nov15° / 10°426145.1
Dec17° / 11°364.614.66.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38119
48119
58020
67921
77822
87822
97723
107624
117624
127525
137525
147426
157327
167327
177327
187327
197327
207228
217228
227228
237327
247327
257228
267228
277129
287030
297030
306931
316931

Chance of precipitation in March

Any precipitation

Los Álamos gets around 33 mm of rain over 5.1 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 16% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
113
213
314
414
515
615
715
815
916
1016
1116
1216
1316
1416
1516
1616
1716
1816
1917
2017
2117
2217
2317
2417
2518
2618
2719
2819
2920
3020
3121

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179201
279201
380191
480191
581190
681190
781190
881190
981190
1081190
1182180
1282180
1382180
1483170
1583170
1684160
1785150
1885150
1986140
2087130
2187130
2288120
2389110
2489110
2590100
2690100
279190
289190
299190
309280
319280

Wind in March

Winds average 16 km/h in March.

Across March, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3015light breeze
3115light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 54 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 72 minutes over March. Sunrise moves from 7:40 AM to 8:08 AM, and sunset from 8:34 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.97:408:34
212.97:418:33
312.87:428:32
412.87:438:30
512.77:448:29
612.77:458:27
712.77:468:26
812.67:478:24
912.67:488:23
1012.57:498:22
1112.57:508:20
1212.57:518:19
1312.47:528:17
1412.47:538:16
1512.37:548:14
1612.37:548:13
1712.37:558:11
1812.27:568:09
1912.27:578:08
2012.17:588:06
2112.17:598:05
2212.18:008:03
2312.08:018:02
2412.08:028:00
2511.98:037:59
2611.98:047:57
2711.88:057:55
2811.88:067:54
2911.88:077:52
3011.78:087:51
3111.78:087:49

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.5 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 8.3 kWh/m² in January across the year — March's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.2Intense
56.2Intense
66.1Intense
76.0Intense
86.0Bright
95.9Bright
105.8Bright
115.8Bright
125.7Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.0Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.7Bright
304.6Bright
314.5Bright
Planning a trip in March

Hazard calendar for Los Álamos

In seasonPeak

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

Los Álamos'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 Los Álamos?

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

6.6
Sightseeing
3rd-best month of the year
1.6
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Los Álamos for sightseeing.

What to pack for Los Álamos in March

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

In March, Los Álamos sees daytime highs around 17°C and nights near 12°C. Worth packing: sun protection. About 5 days see rain.

sun protection

Sea temperature near Los Álamos in March

The nearest coast averages about 15°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 15 km away) is warmest in January at about 15°C and coldest in August near 12°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb15Bracing
Mar15Bracing
Apr14Bracing
May13Bracing
Jun13Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct12Bracing
Nov13Bracing
Dec14Bracing

UV index in Los Álamos in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Los Álamos peaks around December 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 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 highExtremeDec 23UV 12Jun 16UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme
Location & terrain

Where is Los Álamos?

Los Álamos sits at 37.6°S, 73.5°W, 178 m above sea level, in Chile. The nearest listed city is Lebu, 17 km away.

Topography around Los Álamos

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

Within 3 km, the terrain around Los Álamos has only modest variations in elevation — a maximum elevation change of 160 m around an average of 166 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 821 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,511 m.

The land around Los Álamos is covered by trees (82%) within 3 km, trees (85%) within 16 km, and trees (49%) and water (39%) within 80 km.

3 km
160 m
16 km
821 m
80 km
1,511 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Lebu 17 km · Curanilahue 20 km · Cañete 20 km · Arauco 44 km · Lota 66 km · Angol 68 km · Nacimiento 71 km · Coronel 72 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 Los Álamos (-37.628°, -73.4601°, elevation 178 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).