May weather forecast
Kochi, Japan

May signifies the onset of summer in Kochi, Japan, as the days get considerably warmer. Rainfall levels rise, reaching 292mm (11.5"), and the trends point towards frequent showers enhancing the city's lush scenery. Despite increased temperature and humidity levels, daylight and sunshine hours remain fairly consistent. Open bodies of water become more appealing for water-related activities, as sea temperatures climb. Preparing for the hotter, rainy months ahead becomes important during this period.

Temperature

With the onset of May, the average high-temperature subtly transitions from a pleasant 20.8°C (69.4°F) in April to a moderately hot 24.4°C (75.9°F). Throughout May, Kochi experiences a low-temperature average of 15.2°C (59.4°F).

Humidity

In Kochi, the average relative humidity in May is 70%.

Rainfall

In Kochi, during May, the rain falls for 15.9 days and regularly aggregates up to 292mm (11.5") of precipitation. In Kochi, Japan, during the entire year, the rain falls for 188.2 days and collects up to 2548mm (100.31") of precipitation.

Sea temperature

In May, the average sea temperature in Kochi is 20.8°C (69.4°F).
Note: In water with a temperature of 20.8°C (69.4°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day in Kochi is 13h and 54min.
On the first day of the month, sunrise is at 05:17 and sunset at 18:48. On the last day of May, sunrise is at 04:56 and sunset at 19:10 JST.

Sunshine

In Kochi, the average sunshine in May is 6h.

UV index

The average daily maximum UV index in May is 10. A UV Index of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 10 in May translates into this advice:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.