May weather forecast
Cañas, Costa Rica

May, the last month of the spring in Cañas, is another hot month, with an average temperature varying between 24.4°C (75.9°F) and 32°C (89.6°F).

Temperature

May's advent denotes a minor fluctuation in the average high-temperature to a still hot 32°C (89.6°F) from April's 34.4°C (93.9°F). Cañas observes an average nighttime low-temperature of 24.4°C (75.9°F) during the month of May.

Heat index

The heat index for May is calculated to be an extremely hot 42°C (107.6°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Cañas, during May, the rain falls for 26.9 days and regularly aggregates up to 275mm (10.83") of precipitation. In Cañas, during the entire year, the rain falls for 236.6 days and collects up to 1996mm (78.58") of precipitation.

Daylight

In May, the average length of the day in Cañas, Costa Rica, is 12h and 37min.
On the first day of May, sunrise is at 05:22 and sunset at 17:52. On the last day of the month, sunrise is at 05:17 and sunset at 17:59 CST.

Sunshine

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

UV index

The months with the highest UV index in Cañas are January through September and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.