San Juan Weather in March
San Juan in March sees high daytime temperatures of 29°C (84°F) and nighttime lows of 25°C (77°F). With just 32 mm (1.3 in) of rainfall on average, it's the driest month of the year.
Rainfall in San Juan in March
Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities. Rain is expected on roughly 9 days, totalling around 32 mm (1.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in San Juan in March
The temperature in San Juan in March is perfect. Daytime highs reach 29°C (84°F), with nights dropping to 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in San Juan in March
With approximately 247 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Average water temperature in March
With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you favor pleasant temperatures and minimal rainfall, March is one of the best months to visit San Juan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our San Juan's climate page.
San Juan Temperature in March
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Water Temperature
27°C (81°F) *
Chance of Rain
31%
Precipitation
32 mm (1.3 in)
Rainy days
9 days
Humidity
77% *
Sunshine
247 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San Juan typically stay consistent throughout March, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in March
Historical weather for San Juan in March
Browse day-by-day weather records for San Juan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Juan historical weather extremes in March
The extremes listed below come from historical weather data collected in San Juan from 2001 through 2026.
- The hottest March day on record in San Juan reached 35°C (95°F) (March 29, 2004).
- The lowest daytime temperature in March was 26°C (79°F), recorded on March 14, 2021.
- Nighttime temperatures dropped to 19°C (66°F) on March 17, 2008, marking the coldest March night on record.
Best Places in Trinidad & Tobago in March
Find out more about the weather in Trinidad & Tobago and which places have the best travel conditions in this month. See all of Trinidad & Tobago in March →
perfect weather
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tolerable
unpleasant
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What to Wear in San Juan in March
Warm temperatures in March make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Juan in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our San Juan's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full San Juan climate overview or explore weather in Trinidad & Tobago.
