August weather forecastRota, Northern Mariana Islands, USA
August
Weather in August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rota, Northern Mariana Islands, USA
- Average high temperature in August: 88°F
The warmest months (with the highest average high temperature) are April, May, June, July, August, September, October and November (88°F).
The month with the lowest average high temperature is January (84°F).
- Average low temperature in August: 77°F
The months with the highest average low temperature are May, June, July, August, September, October and November (77°F).
The coldest months (with the lowest average low temperature) are January, February, March, April and December (75°F).
Average rainfall in August
Rota, Northern Mariana Islands, USA
- Average rainfall in August: 14.4"
The wettest month (with the highest rainfall) is August (14.4").
The driest month (with the least rainfall) is March (3.5").
Average rainfall days in August
Rota, Northern Mariana Islands, USA
- Average rainfall days in August: 23 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (18 days).
Average sea temperature in August
Rota, Northern Mariana Islands, USA
- Average sea temperature in August: 84°F
The best months for swimming (with the highest average sea temperature) are June, July, August, September, October and November (84°F).
The coldest months (with the lowest average sea temperature) are February and March (81°F).
Average daylight in August /
Average sunshine in August
Rota, Northern Mariana Islands, USA
- Average daylight in August: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in August: 5h
The months with the most sunshine are March, April, May and June (Average sunshine: 7h).
The month with the least sunshine is October (Average sunshine: 4h).
Average UV index in August
Rota, Northern Mariana Islands, USA
- Average UV index in August: 12
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).
