May weather forecast
Kollam, India

The last month of the pre-monsoon summer, May, is another hot month in Kollam, India, with an average temperature fluctuating between 31°C (87.8°F) and 25°C (77°F).

Temperature

Kollam records an average high-temperature of a still hot 31°C (87.8°F) as May arrives, nearly mirroring the previous month's climate. In the month of May, an average of 25°C (77°F) marks the low-temperature.

Rainfall

In Kollam, during May, the rain falls for 11 days and regularly aggregates up to 268mm (10.55") of precipitation. Throughout the year, in Kollam, there are 117 rainfall days, and 2427mm (95.55") of precipitation is accumulated.

Sea temperature

In Kollam, the average seawater temperature in May is 29.8°C (85.6°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.

Daylight

The average length of the day in May in Kollam is 12h and 32min.
On the first day of May, sunrise is at 6:07 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 6:39 pm IST.

Sunshine

The average sunshine in May in Kollam is 7h.

UV index

The months with the highest UV index in Kollam are February through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During May, 12 as the daily maximum UV index converts into the following advice:
Adopt all essential precautions. Preventing sun harm is crucial. 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. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Ensure the liberal application and reapplication of a broad-spectrum SPF 30+ sunscreen after each outdoor activity or swim, and every two hours. Alert! The Sun's UV rays are heightened by the reflection of sand and water.