May weather forecast
San Borja, Bolivia

May brings about a noticeable change in San Borja's weather pattern. The rainfall continues to taper off, declaring the start of the dry season. As the weather shifts, the city commences a transformation, reflecting the influence of climate on its surrounding. The reduced rainfall and humidity create an atmosphere conducive to outdoor activities. It's a perfect month for visitors wanting to explore San Borja's culture without the damp conditions of the previous months.

Temperature

The advent of May signifies a minor shift to an average high-temperature of a still moderately hot 27.5°C (81.5°F), aligning closely with April. Throughout the May nights, San Borja encounters a low-temperature of 17.8°C (64°F).

Heat index

The heat index in May is estimated at a hot 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In San Borja, the average relative humidity in May is 86%.

Rainfall

In San Borja, during May, the rain falls for 19.3 days and regularly aggregates up to 188mm (7.4") of precipitation. In San Borja, during the entire year, the rain falls for 251.7 days and collects up to 2897mm (114.06") of precipitation.

Daylight

In San Borja, Bolivia, the average length of the day in May is 11h and 26min.
On the first day of May, sunrise is at 06:37 and sunset at 18:10. On the last day of the month, sunrise is at 06:45 and sunset at 18:03 -04.

Sunshine

In May, the average sunshine is 6.3h.

UV index

The months with the lowest UV index are February and May, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.