May weather forecast
San José de Sisa, Peru

May, the last month of the autumn in San José de Sisa, is also a moderately hot month, with an average temperature ranging between max 29.6°C (85.3°F) and min 19.2°C (66.6°F).

Temperature

The initiation of May records an average high-temperature of a still moderately hot 29.6°C (85.3°F), displaying a near consistency with the previous month. During May in San José de Sisa, the average low-temperature is recorded at a refreshing 19.2°C (66.6°F).

Heat index

The average heat index in May is estimated at a very hot 37°C (98.6°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in May is 81%.

Rainfall

In San José de Sisa, during May, the rain falls for 21.2 days and regularly aggregates up to 93mm (3.66") of precipitation. In San José de Sisa, during the entire year, the rain falls for 246.6 days and collects up to 1162mm (45.75") of precipitation.

Daylight

In San José de Sisa, the average length of the day in May is 11h and 49min.
On the first day of May, sunrise is at 06:07 and sunset at 18:00. On the last day of the month, sunrise is at 06:11 and sunset at 17:57 -05.

Sunshine

With an average of 6.3h of sunshine, May has the least sunshine of the year in San José de Sisa.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in May transforms into this advice:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.