San Fernando Weather in May
San Fernando in May sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 25°C (77°F). Rainfall is fairly high at around 74 mm (2.9 in) on average, so pack waterproofs just in case.
Rainfall in San Fernando in May
Rain is expected on roughly 18 days, totalling around 74 mm (2.9 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in San Fernando in May
May in San Fernando brings very high temperatures, with highs of 31°C (88°F) and nights around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in San Fernando in May
The city usually sees around 233 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you prefer enjoying temperate temperatures and rain-free days, January typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Fernando's climate page.
San Fernando Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
61%
Precipitation
74 mm (2.9 in)
Rainy days
18 days
Humidity
79% *
Sunshine
233 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San Fernando typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Historical weather for San Fernando in May
Browse day-by-day weather records for San Fernando spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Fernando historical weather extremes in May
Based on 25 years of weather observations in San Fernando between 2001 and 2026, these are the recorded extremes.
- The hottest May day on record in San Fernando reached 35°C (95°F) (May 6, 2010).
- On May 4, 2021, San Fernando saw its coldest May day with temperatures maxing out at 26°C (79°F).
- The coldest night in May in San Fernando was on May 5, 2011, with a minimum of 21°C (70°F).
Best Places in Trinidad & Tobago in May
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 May →
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What to Wear in San Fernando in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Fernando in May
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 Fernando's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Fernando climate overview or explore weather in Trinidad & Tobago.
