October weather forecast
Rota, Northern Mariana Islands, USA

October presents relatively less rainfall, averaging at 12.5" (318mm), offering a slight relief from the heavier showers over the past three months in Rota. The diminishing daylight hours coupled with the shortest sunshine duration suggest a shift towards the year's end. Despite the decrease in sunlight, the sea temperature remains stable, allowing for constant enjoyment of water activities. The month is characterized by a gradual departure from monsoon conditions while retaining a high UV index. The slight reduction in rainfall hints at the impending drier months while the tropical climate continues to prevail.

Temperature

Peak temperatures are observed in April through November, averaging a high-temperature of 87.8°F (31°C).

Rainfall

In Rota, during October, the rain falls for 22 days and regularly aggregates up to 12.52" (318mm) of precipitation. In Rota, during the entire year, the rain falls for 247 days and collects up to 94.29" (2395mm) of precipitation.

Ocean temperature

June through November, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater in Rota.
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

In October, the average length of the day is 11h and 49min.
On the first day of the month, sunrise is at 6:08 am and sunset at 6:08 pm. On the last day of October, in Rota, sunrise is at 6:13 am and sunset at 5:51 pm ChST.

Sunshine

October has the least sunshine of the year, with an average of 4h of sunshine.

UV index

The average daily maximum UV index in October in Rota is 11. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In October, a daily maximum UV index of 11 leads to the following instructions:
Carry out every crucial safety measure. People with fair skin may sustain burns in fewer than 5 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.