Puerto Viejo weather in March

In March, Puerto Viejo sees average daytime highs of 27°C and overnight lows near 25°C, with 158 mm of rain across 19.2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 46% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Puerto Viejo's 2nd-clearest and 6th-windiest month. For the whole year in context, see Puerto Viejo's year-round climate.

Daytime high
27°
8th warmest
Overnight low
25°
4th coldest
Rainfall
158 mm
19.2 wet days
Daylight
11 h 54 min
5:43 AM – 5:39 PM
Cloud cover
48%
2nd clearest
Wind
7 km/h
6th windiest
Solar energy
5.6 kWh/m²
Travel score
5.3
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical March day in Puerto Viejo reaches about 27°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, March runs on par with February and on par with April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12725
22725
32725
42725
52725
62725
72725
82725
92725
102725
112725
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262825
272825
282825
292825
302825
312825

Puerto Viejo weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°30121.911.55.0
Feb27° / 24°18418.411.75.3
Mar27° / 25°15819.211.95.3
Apr28° / 25°20621.212.24.6
May28° / 26°3882712.43.7
Jun28° / 26°44628.312.63.3
Jul28° / 25°58130.312.53.3
Aug28° / 26°4152912.33.4
Sep28° / 26°27327.212.13.5
Oct28° / 26°3222811.83.6
Nov27° / 25°58127.411.63.7
Dec27° / 25°48026.411.44.2

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 22% of March, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57030
67030
77030
87030
97030
107030
117030
127030
137030
147030
157030
166931
176931
186931
196832
206733
216733
226535
236535
246436
256436
266337
276337
286238
296139
306040
315941

Chance of precipitation in March

Any precipitation

Puerto Viejo gets around 158 mm of rain over 19.2 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 63% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
163
263
363
463
563
662
762
862
962
1062
1162
1262
1363
1463
1563
1663
1763
1863
1963
2063
2163
2263
2363
2463
2563
2662
2762
2862
2962
3062
3162

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
136631
236631
336631
435641
535641
634651
734651
833661
932671
1032662
1131672
1231672
1330682
1430682
1529692
1629692
1729692
1828702
1927712
2027721
2126731
2225741
2324751
2423761
2522771
2621781
2720791
2819801
2919801
3018811
3117812

Wind in March

Winds average 7 km/h in March.

Across March, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over March. Sunrise moves from 5:50 AM to 5:34 AM, and sunset from 5:38 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:505:38
211.85:505:38
311.85:495:38
411.85:495:38
511.85:485:39
611.85:485:39
711.95:475:39
811.95:475:39
911.95:465:39
1011.95:465:39
1111.95:455:39
1211.95:455:39
1311.95:445:39
1411.95:445:39
1511.95:435:39
1611.95:435:39
1711.95:425:39
1812.05:425:39
1912.05:415:39
2012.05:405:39
2112.05:405:39
2212.05:395:39
2312.05:395:38
2412.05:385:38
2512.05:375:38
2612.05:375:38
2712.05:365:38
2812.05:365:38
2912.15:355:38
3012.15:345:38
3112.15:345:38

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.6 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 5.6 kWh/m² in March across the year — March's 5.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
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
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in March

Is March a good time to visit Puerto Viejo?

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

5.3
Sightseeing
1st-best month of the year
5.5
Beach & pool
1st-best month of the year

March is a reasonable time to visit Puerto Viejo for sightseeing.

What to pack for Puerto Viejo in March

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

In March, Puerto Viejo sees daytime highs around 27°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Puerto Viejo in March

The nearest coast averages about 28°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 September at about 29°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Puerto Viejo in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Puerto Viejo peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Puerto Viejo 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 Puerto Viejo is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Nov 226 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar9Good
Apr13Moderate
May17Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep11Good
Oct10Good
Nov6Good
Dec7Good
Location & terrain

Where is Puerto Viejo?

Puerto Viejo sits at 9.7°N, 82.8°W, 0 m above sea level, in Costa Rica. The nearest listed city is Changuinola, 36 km away.

ChanguinolaPuerto LimónSiquirresBoqueteTurrialbaSan IsidroParaíso

Topography around Puerto Viejo

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

Within 3 km, the terrain around Puerto Viejo has only modest variations in elevation — a maximum elevation change of 206 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 884 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,593 m.

The land around Puerto Viejo is covered by water (52%) and trees (46%) within 3 km, trees (54%) and water (43%) within 16 km, and trees (63%) and water (35%) within 80 km.

3 km
206 m
16 km
884 m
80 km
3,593 m
treesgrasslandartificial surfaceswater
March weather nearby: Changuinola 36 km · Puerto Limón 48 km · Bocas del Toro 66 km · Siquirres 96 km · Boquete 103 km · Turrialba 105 km · San Isidro 108 km · Paraíso 124 km

Costa Rica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$19,970
2025
Happiness
7.4 / 10
World Happiness, 2025
Safe drinking water
81%
of population, 2024
Homicide rate
17.7
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 516
Religion
Roman Catholic 48%none 27%Evangelical and Pentecostal 20%other 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 Puerto Viejo (9.6569°, -82.7545°, elevation 0 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. 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).