May weather forecast
Guadalupe, Costa Rica

May in Guadalupe marks a distinct shift in the weather with the arrival of the rainy season. The average rainfall increases dramatically to a peak of 268mm (10.55"). Despite the rain, the city experiences slightly less heat, with the average high temperature dropping to 27.1°C (80.8°F). The increase in cloud cover results in fewer sunshine hours, yet the daylight time remains relatively high. A rise in relative humidity is another noticeable feature of the weather in May, indicating a more humid and damp environment.

Temperature

May's presence in Guadalupe marks an average high-temperature of a still moderately hot 27.1°C (80.8°F), subtly varied from April's 28.4°C (83.1°F). An average minimum temperature of 21.8°C (71.2°F) marks the month of May in Guadalupe.

Heat index

In May, the heat index is computed to be a hot 30°C (86°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In Guadalupe, the average relative humidity in May is 82%.

Rainfall

In Guadalupe, in May, during 30 rainfall days, 268mm (10.55") of precipitation is typically accumulated. In Guadalupe, during the entire year, the rain falls for 290 days and collects up to 2270mm (89.37") of precipitation.

Daylight

The average length of the day in May in Guadalupe is 12h and 35min.
On the first day of May in Guadalupe, sunrise is at 05:18 and sunset at 17:47. On the last day of the month, sunrise is at 05:13 and sunset at 17:54 CST.

Sunshine

In Guadalupe, the average sunshine in May is 8.3h.

UV index

The months with the highest UV index in Guadalupe, Costa Rica, 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 reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.