May Weather in Tacna, United States

Last updated: June 24, 2025

In Tacna, United States, the average temperature in May is a warm 28°C (82°F), with minimums dipping to 12°C (54°F) and maximums soaring to 43°C (109°F). Expect dry conditions this month, with 0 mm (0.0 in) of precipitation recorded over 0 days. The average humidity sits at a comfortable 33%, making it an ideal time to enjoy the beautiful outdoors!

May Temperature in Tacna

In May in Tacna, the average temperature is 28°C (82°F). Maximum temperatures can reach 43°C (109°F), while the minimum can drop as low as 12°C (54°F). Be prepared for hot days, but also pack some warmer clothing for cooler evenings.

May Weather in Tacna: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Tacna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tacna, May typically has an average temperature of 28°C (82°F), with highs reaching up to 43°C (109°F) and lows dropping to around 12°C (54°F).

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

May Precipitation in Tacna

In Tacna in May, the precipitation amount is 0 mm (0.0 in) during 0 days.

May Precipitation Trends in Tacna

The chart displays monthly precipitation patterns in Tacna, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Tacna, May typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Tacna

In Tacna in May, humidity is 33%. With an average temperature of 28°C (82°F), this humidity feels like a comfortable and refreshing embrace, making it ideal for traveling as you can explore without feeling weighed down by oppressive heat or stickiness.

May Average Humidity in Tacna

This chart illustrates the average monthly humidity levels in Tacna, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Tacna is approximately 33%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Tacna

In Tacna in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Tacna.

Maximum UV Index Levels in Tacna for May

The chart shows the monthly maximum UV Index (UVI) for Tacna in May, 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 May, the maximum UV index in Tacna typically reaches 11, which falls under the extreme exposure category.

Data source: Tacna May 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 May Weather in Tacna Compares to Other Months

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

This table compares monthly weather conditions in Tacna, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	13 mm (0.5 inches)	73%	moderate
February Weather	16°C (61°F)	14 mm (0.6 inches)	76%	high
March Weather	20°C (68°F)	11 mm (0.4 inches)	65%	very high
April Weather	25°C (77°F)	1 mm (0.1 inches)	50%	very high
May Weather	28°C (82°F)	0 mm (0.0 inches)	33%	extreme
June Weather	33°C (91°F)	1 mm (0.0 inches)	28%	extreme
July Weather	36°C (97°F)	9 mm (0.3 inches)	28%	extreme
August Weather	36°C (97°F)	9 mm (0.4 inches)	33%	extreme
September Weather	32°C (90°F)	17 mm (0.7 inches)	50%	very high
October Weather	25°C (78°F)	12 mm (0.5 inches)	61%	very high
November Weather	20°C (68°F)	10 mm (0.4 inches)	70%	moderate
December Weather	14°C (58°F)	14 mm (0.6 inches)	78%	moderate