May weather forecast
La Cruz, Costa Rica

May marks a determined transition into the rainy season for La Cruz, accompanied by a noticeable increase in humidity and a fall in temperature. An abrupt rise in rainfall characterizes this month, a significant leap from the 14mm (0.55") recorded in April. The rainfall measures a hefty 93mm (3.66"), highlighting the city's preparedness for the imminent rains.The refreshing showers bring down the day temperatures slightly, making the weather quite comfortable. As the cityscape takes on a greener hue, May manifests a fresh, vibrant side of La Cruz.

Temperature

The average high-temperature in May in La Cruz, at a still tropical 31.3°C (88.3°F), reveals a modest deviation from April's 31.8°C (89.2°F). La Cruz experiences a steady nighttime temperature of 26.3°C (79.3°F) throughout the month of May.

Heat index

May's mean heat index is appraised at a torrid 39°C (102.2°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In La Cruz, the average relative humidity in May is 73%.

Rainfall

In La Cruz, in May, during 20.7 rainfall days, 93mm (3.66") of precipitation is typically accumulated. Throughout the year, there are 237.9 rainfall days, and 717mm (28.23") of precipitation is accumulated.

Daylight

In La Cruz, Costa Rica, the average length of the day in May is 12h and 38min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:55. On the last day of May, sunrise is at 05:18 and sunset at 18:02 CST.

Sunshine

The average sunshine in May in La Cruz is 8.8h.

UV index

The months with the highest UV index in La Cruz are January through December, with an average maximum UV index of 7. The months with the lowest UV index in La Cruz, Costa Rica, are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.