January Weather in San Fernando, Trinidad and Tobago

Last updated: August 31, 2025

In January, the average temperature in San Fernando, Trinidad and Tobago is a pleasant 26°C (78°F). Temperatures can range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F). The region experiences 46 mm (1.8 in) of precipitation over 11 days, contributing to an average humidity of 78%. Enjoy the mild climate while you explore!

January Temperature in San Fernando

In January in San Fernando, the average temperature is 26°C (78°F). Maximums can reach 29°C (85°F) and minimums can be as low as 23°C (73°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

January Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, January typically has an average temperature of 26°C (78°F), with highs reaching up to 29°C (85°F) and lows dropping to around 23°C (73°F).

Data source: Temperature data for San Fernando generated using information from the Copernicus Climate Change Service.

January Precipitation in San Fernando

In San Fernando in January, the precipitation amount is 46 mm (1.8 in) over the course of 11 days.

January Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Fernando, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in San Fernando

In San Fernando in January humidity is 78%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making travel a bit more challenging as the air is thick and can leave you feeling sticky and sluggish. Be sure to stay hydrated and take breaks to enjoy the local sights without overheating.

January Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Fernando is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Fernando

In San Fernando in January, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for January

The chart shows the monthly maximum UV Index (UVI) for San Fernando in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in San Fernando typically reaches 12, which falls under the extreme exposure category.

Data source: San Fernando January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in San Fernando Compares to Other Months

Weather in San Fernando varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in San Fernando, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Fernando, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	46 mm (1.8 inches)	78%	extreme
February Weather	26°C (79°F)	24 mm (0.9 inches)	77%	extreme
March Weather	26°C (79°F)	34 mm (1.3 inches)	76%	extreme
April Weather	27°C (80°F)	26 mm (1.0 inches)	75%	extreme
May Weather	27°C (81°F)	73 mm (2.9 inches)	76%	extreme
June Weather	27°C (80°F)	158 mm (6.2 inches)	80%	extreme
July Weather	27°C (80°F)	179 mm (7.0 inches)	83%	extreme
August Weather	27°C (81°F)	188 mm (7.4 inches)	80%	extreme
September Weather	27°C (81°F)	147 mm (5.8 inches)	79%	extreme
October Weather	27°C (81°F)	174 mm (6.9 inches)	79%	extreme
November Weather	27°C (80°F)	136 mm (5.3 inches)	81%	extreme
December Weather	26°C (79°F)	105 mm (4.1 inches)	80%	very high