January Weather in San Fernando, Peru

Last updated: August 27, 2025

In San Fernando, Peru, the average temperature in January is a warm 26°C (80°F). Expect a comfortable minimum of 21°C (71°F) and occasional peaks reaching up to 35°C (95°F). During this time, you'll likely encounter about 282 mm (11.1 in) of precipitation spread over 20 days, contributing to an average humidity level of 85%. Prepare for a humid, vibrant atmosphere!

January Temperature in San Fernando

In January in San Fernando, the average temperature is 26°C (80°F). Maximums can reach 35°C (95°F), while minimums can drop to 21°C (71°F). This mild and warm climate makes San Fernando an ideal destination for travelers seeking pleasant weather and outdoor activities.

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 (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (71°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 total precipitation amount is 282 mm (11.1 in) spread over 20 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 282 mm (11.1 inches) of precipitation spread over approximately 20 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in San Fernando

In San Fernando in January humidity is 85%. With an average temperature of 26°C (80°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities quite challenging and necessitating regular breaks to stay hydrated while sightseeing.

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 85%, 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 reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. 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 15, 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 (80°F)	282 mm (11.1 inches)	85%	extreme
February Weather	26°C (80°F)	357 mm (14.1 inches)	82%	extreme
March Weather	26°C (79°F)	418 mm (16.5 inches)	86%	extreme
April Weather	26°C (79°F)	273 mm (10.7 inches)	88%	extreme
May Weather	26°C (79°F)	184 mm (7.2 inches)	82%	extreme
June Weather	26°C (79°F)	107 mm (4.2 inches)	67%	extreme
July Weather	25°C (78°F)	99 mm (3.9 inches)	48%	extreme
August Weather	26°C (80°F)	92 mm (3.6 inches)	39%	extreme
September Weather	27°C (81°F)	145 mm (5.7 inches)	40%	extreme
October Weather	27°C (81°F)	209 mm (8.2 inches)	51%	extreme
November Weather	27°C (81°F)	293 mm (11.5 inches)	74%	extreme
December Weather	27°C (80°F)	283 mm (11.1 inches)	89%	extreme