Rio Claro weather in March

In March, Rio Claro sees average daytime highs of 30°C and overnight lows near 23°C, with 34 mm of rain across 10.3 wet days and about 11.9 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 26% 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 Rio Claro's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Rio Claro's year-round climate.

Daytime high
30°
6th warmest
Overnight low
23°
3rd coldest
Rainfall
34 mm
10.3 wet days
Daylight
11 h 54 min
6:16 AM – 6:12 PM
Cloud cover
58%
3rd clearest
Wind
13 km/h
3rd windiest
Solar energy
6 kWh/m²
Travel score
5.1
out of 10

Rio Claro is town in Trinidad and Tobago.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical March day in Rio Claro reaches about 30°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°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)
12923
22923
32923
42923
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How March really feels in Rio Claro

Once humidity and wind are folded in, March averages 27 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
27
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.

Rio Claro weather by month

How March compares with the rest of the year at a glance. March is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°5414.211.55.2
Feb29° / 23°3110.611.75.3
Mar30° / 23°3410.311.95.1
Apr30° / 24°4711.512.24.5
May30° / 25°8817.312.54.0
Jun30° / 24°18023.712.63.4
Jul29° / 24°18927.412.53.2
Aug30° / 24°20327.312.33.0
Sep30° / 25°15724.112.13.2
Oct30° / 25°18124.711.83.2
Nov29° / 24°19525.611.53.3
Dec29° / 24°1122011.44.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 31% of March, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26139
36040
46040
55941
65941
75941
85842
95842
105743
115743
125743
135644
145644
155644
165743
175743
185743
195743
205743
215842
225842
235842
245842
255842
265743
275743
285644
295644
305446
315446

Chance of precipitation in March

Any precipitation

Rio Claro gets around 34 mm of rain over 10.3 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 34% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
536
636
735
835
935
1035
1135
1235
1335
1435
1535
1634
1734
1834
1933
2033
2132
2232
2331
2431
2531
2631
2730
2830
2930
3030
3130

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
114356
214356
314356
414356
514356
614356
714356
814257
914257
1014257
1114158
1214158
1314059
1414059
1513960
1603961
1703862
1803763
1903763
2003664
2103664
2203565
2303565
2403466
2503367
2603367
2703268
2803169
2903070
3002971
3102872

Wind in March

Winds average 13 km/h in March.

Across March, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 6:24 AM to 6:07 AM, and sunset from 6:12 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:246:12
211.86:246:12
311.86:236:12
411.86:236:12
511.86:226:12
611.86:226:12
711.86:216:12
811.96:216:12
911.96:206:12
1011.96:206:12
1111.96:196:12
1211.96:196:12
1311.96:186:12
1411.96:186:12
1511.96:176:12
1611.96:166:12
1711.96:166:12
1811.96:156:12
1912.06:156:12
2012.06:146:12
2112.06:146:12
2212.06:136:12
2312.06:126:12
2412.06:126:12
2512.06:116:12
2612.06:106:12
2712.06:106:12
2812.06:096:12
2912.16:096:12
3012.16:086:12
3112.16:076:12

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.14 kWh/m² in April across the year — March's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.2Intense
316.2Intense
Planning a trip in March

Hazard calendar for Rio Claro

In seasonPeak

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

Rio Claro's rainy season runs June–December, 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 Rio Claro?

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

5.1
Sightseeing
3rd-best month of the year
6.8
Beach & pool
2nd-best month of the year

March is a reasonable time to visit Rio Claro for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rio Claro in March

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

In March, Rio Claro sees daytime highs around 30°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Rio Claro in March

The nearest coast averages about 27°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 21 km away) is warmest in September at about 29°C and coldest in February 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
Mar27Warm
Apr27Warm
May28Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Rio Claro in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Claro peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 14Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Rio Claro 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 Rio Claro is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1530 µg/m³Nov 2314 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar19Moderate
Apr23Moderate
May26Moderate
Jun31Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct17Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Rio Claro?

Rio Claro sits at 10.3°N, 61.2°W, 45 m above sea level, in Trinidad and Tobago. The nearest listed city is Marabella, 30 km away.

MarabellaMon ReposSangre GrandeSan FernandoChaguanasArimaParadiseTunapuna

Topography around Rio Claro

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

Within 3 km, the terrain around Rio Claro has only modest variations in elevation — a maximum elevation change of 55 m around an average of 43 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 218 m; within 80 km, large variations in elevation — a maximum elevation change of 931 m.

The land around Rio Claro is covered by trees (88%) within 3 km, trees (94%) within 16 km, and water (69%) and trees (22%) within 80 km.

3 km
55 m
16 km
218 m
80 km
931 m
treesgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Marabella 30 km · Mon Repos 30 km · Sangre Grande 32 km · San Fernando 32 km · Chaguanas 35 km · Arima 39 km · Paradise 44 km · Tunapuna 45 km

Trinidad and Tobago travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
115 / 230 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$18,967
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
40.4
per 100k, 2022
Road deaths
9.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 32%Roman Catholic 22%Hindu 18%other 8%

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 Rio Claro (10.3059°, -61.1756°, elevation 45 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).