May weather forecast
Juntas, Costa Rica

The last month of the spring, May, is also a hot month in Juntas, Costa Rica, with an average temperature varying between 30.7°C (87.3°F) and 24.6°C (76.3°F).

Temperature

The arrival of May records an average high-temperature of a still hot 30.7°C (87.3°F), closely related to the 32.5°C (90.5°F) observed in April. In Juntas, in May, the average low-temperature is a moderately hot 24.6°C (76.3°F).

Heat index

In May, the heat index is estimated at a torrid 38°C (100.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Juntas, the average relative humidity in May is 75%.

Rainfall

In May, in Juntas, the rain falls for 25.3 days. Throughout May, 175mm (6.89") of precipitation is accumulated. In Juntas, Costa Rica, during the entire year, the rain falls for 218.6 days and collects up to 1456mm (57.32") of precipitation.

Daylight

The average length of the day in May in Juntas is 12h and 36min.
On the first day of May, sunrise is at 05:21 and sunset at 17:51. On the last day of the month, sunrise is at 05:17 and sunset at 17:58 CST.

Sunshine

In Juntas, Costa Rica, the average sunshine in May is 8.7h.

UV index

The months with the highest UV index in Juntas are January through September and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Take precautions against overexposure. Protection against sun damage is needed. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.