August weather forecast
Rota, Northern Mariana Islands, USA

August introduces the highest amount of rainfall for the entire year, averaging at 14.4" (366mm). This trend of increased precipitation continues from July, taking advantage of long daylight hours. The sea retains its warm temperature, still inviting to those looking for aquatic activities on the island. The consistently high UV index remains a crucial consideration for anyone spending time outdoors. Despite a slight dip in sunshine hours, the tropical climate persists, creating an enchantingly humid environment.

Temperature

April through November are identified as the warmest months in Rota, with an average high-temperature of 87.8°F (31°C).

Rainfall

August is the month with the most rainfall. Rain falls for 23 days and accumulates 14.37" (365mm) of precipitation.

Ocean temperature

June through November, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater.
Note: For any water activity, the surface water temperatures in the range of 77°F (25°C) to 84.2°F (29°C) are deemed excellent and incredibly pleasant for longer durations.

Daylight

The average length of the day in August is 12h and 35min.
On the first day of August, sunrise is at 6:03 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 6:31 pm ChST.

Sunshine

The average sunshine in August in Rota is 5h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Rota, Northern Mariana Islands. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the UV index of 12 transforms into the following advice:
Ensure all key precautions. Defense against sun exposure is critical. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.