May weather forecastRota, Northern Mariana Islands, USA

Weather in May

May signals a shift towards the wetter part of the year, as rainfall averages increase to 5.4" (137mm). Daylight hours reach near-peak duration in May, coupled with consistently warm sea temperatures that encourage water-based pursuits. The high UV index remains unchanged, indicating the potential for strong sunlight during daylight hours. The tropical essence of Rota's weather still holds strong with higher humidity levels due to increased rainfall. It's beneficial for visitors and locals to remain alert to the possibility of frequent showers.

Temperature

April through November bring Rota's highest average temperatures, reaching a high of 87.8°F (31°C).

Rainfall

In Rota, Northern Mariana Islands, in May, during 20 rainfall days, 5.43" (138mm) of precipitation is typically accumulated. In Rota, during the entire year, the rain falls for 247 days and collects up to 94.29" (2395mm) of precipitation.

Ocean temperature

In May, the average ocean temperature in Rota, Northern Mariana Islands, is 82.4°F (28°C).
Note: In any water activity, temperatures between 77°F (25°C) and 84.2°F (29°C) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

In Rota, the average length of the day in May is 12h and 47min.
On the first day of the month, sunrise is at 5:56 am and sunset at 6:35 pm. On the last day of May, in Rota, sunrise is at 5:49 am and sunset at 6:44 pm ChST.

Sunshine

The months with the most sunshine are March through June, with an average of 7h of sunshine.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 12 in May translates into the following recommendations:
Enforce all necessary precautions, unprotected skin might burn swiftly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Notice! The reflection of water and sand increases the UV radiation significantly.