May Weather in Omacha, Peru

Last updated: August 27, 2025

In May, the average temperature in Omacha, Peru hovers around 8°C (47°F), with fluctuations between a minimum of -3°C (26°F) and a maximum of 18°C (64°F). Expect about 31 mm (1.2 in) of precipitation spread over 10 days, accompanied by a high average humidity of 87%.

May Temperature in Omacha

In May in Omacha, the average temperature is 8°C (47°F), with maximums reaching up to 18°C (64°F) and minimums dropping as low as -3°C (26°F). It's advisable to pack both warm layers and lighter clothing for your travels.

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

The chart illustrates May temperature patterns in Omacha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omacha, May typically has an average temperature of 8°C (47°F), with highs reaching up to 18°C (64°F) and lows dropping to around -3°C (26°F).

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

May Precipitation in Omacha

In Omacha in May, the precipitation amount is 31 mm (1.2 in) over a span of 10 days.

May Precipitation Trends in Omacha

The chart displays monthly precipitation patterns in Omacha, 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 Omacha, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 10 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 Omacha

In Omacha in May, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

May Average Humidity in Omacha

This chart illustrates the average monthly humidity levels in Omacha, 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 Omacha is approximately 87%, 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 Omacha

In Omacha in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Omacha, you can check here.

Maximum UV Index Levels in Omacha for May

The chart shows the monthly maximum UV Index (UVI) for Omacha 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 Omacha typically reaches 14, which falls under the extreme exposure category.

Data source: Omacha 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 Omacha Compares to Other Months

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

This table compares monthly weather conditions in Omacha, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	171 mm (6.7 inches)	92%	extreme
February Weather	9°C (49°F)	224 mm (8.8 inches)	93%	extreme
March Weather	9°C (49°F)	188 mm (7.4 inches)	92%	extreme
April Weather	9°C (48°F)	78 mm (3.1 inches)	91%	extreme
May Weather	8°C (47°F)	31 mm (1.2 inches)	87%	extreme
June Weather	8°C (46°F)	14 mm (0.6 inches)	76%	extreme
July Weather	8°C (46°F)	19 mm (0.7 inches)	57%	extreme
August Weather	8°C (47°F)	17 mm (0.7 inches)	51%	extreme
September Weather	9°C (49°F)	38 mm (1.5 inches)	67%	extreme
October Weather	10°C (50°F)	90 mm (3.5 inches)	77%	extreme
November Weather	10°C (51°F)	138 mm (5.4 inches)	85%	extreme
December Weather	10°C (50°F)	198 mm (7.8 inches)	90%	extreme