July weather forecastRota, Northern Mariana Islands, USA
July
Weather in July
Rota's weather in July is characterized by the year’s peak rainfall, standing at an average of 10.7" (272mm). The island's atmosphere sustains its tropical flair with warm sea temperatures and extended daylight hours. July is the beginning of the high season for rainfall, heralding the start of frequent and heavy showers. Although showers may be more prevalent, the warm sea temperatures and balmy conditions make any outdoor activities enjoyable. The need for adequate sun protection remains relevant with a consistently high UV index.Temperature
April through November are the warmest months in Rota, with an average high-temperature of 87.8°F (31°C).Rainfall
In Rota, in July, during 21 rainfall days, 10.71" (272mm) of precipitation is typically accumulated. Throughout the year, there are 247 rainfall days, and 94.29" (2395mm) of precipitation is accumulated.Ocean temperature
June through November, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater.Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In July, the average length of the day in Rota is 12h and 52min.On the first day of July in Rota, sunrise is at 5:54 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:48 pm ChST.
Sunshine
The average sunshine in July is 5h.UV index
The months with the highest UV index in Rota are February through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 12 during July, leads to the following recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. A sunscreen boasting a minimum SPF of 30 should be generously applied and reapplied even on cloudy days, post swim or outdoor exercise. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rota, Northern Mariana Islands, USA
- Average high temperature in July: 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 July: 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 July
Rota, Northern Mariana Islands, USA
- Average rainfall in July: 10.7"
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 July
Rota, Northern Mariana Islands, USA
- Average rainfall days in July: 21 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 July
Rota, Northern Mariana Islands, USA
- Average sea temperature in July: 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 July /
Average sunshine in July
Rota, Northern Mariana Islands, USA
- Average daylight in July: 12h and 54min
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 July: 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 July
Rota, Northern Mariana Islands, USA
- Average UV index in July: 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).





