Northern Mariana Islands Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Northern Mariana Islands in August.

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Garapan Saipan Rota

Planning a journey to Northern Mariana Islands this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Northern Mariana Islands in August

August in Northern Mariana Islands generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in Garapan. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

For a closer look at conditions across Northern Mariana Islands, refer to the map below.

Precipitation

In August, precipitation varies across different areas. From heavy rainfall in Garapan with an average of 352 mm (14 in) to heavy rainfall in Rota with 358 mm (14 in). Based on our climate, it is the month with the most precipitation throughout the year in Garapan.

Explore Northern Mariana Islands by month

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Best Places to Visit in Northern Mariana Islands in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Northern Mariana Islands.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Northern Mariana Islands

What is the weather like in August for some of the most popular destinations in Northern Mariana Islands?

Temperature range in Northern Mariana Islands (August)

Precipitation variation in Northern Mariana Islands (August)

Garapan

In August Garapan generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
239 mm (9.4 in)
352 mm (14 in)
322 mm (13 in)
Monthly rainy days
19 days
21 days
19 days
Weather conditions
poor
poor
poor
Climate in Garapan →

Saipan

In August Saipan generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
238 mm (9.4 in)
352 mm (14 in)
322 mm (13 in)
Monthly rainy days
19 days
21 days
19 days
Weather conditions
poor
poor
poor
Climate in Saipan →

Rota

In August Rota generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
269 mm (11 in)
358 mm (14 in)
334 mm (13 in)
Monthly rainy days
19 days
21 days
19 days
Weather conditions
poor
poor
poor
Climate in Rota →

Is your destination not in the list? Have a look at all destinations in Northern Mariana Islands.

Popular cities in August

Day & night temperatures, rainfall and average weather in Northern Mariana Islands in August.

City Weather Day temp Night temp Rainfall
Garapan 30°C (86°F) 27°C (81°F) 352 mm (14 in)
Saipan 30°C (86°F) 27°C (81°F) 352 mm (14 in)
Rota 30°C (86°F) 26°C (79°F) 358 mm (14 in)

Northern Mariana Islands weather in August: frequently asked questions

What is the weather like in Northern Mariana Islands in August?

August in Northern Mariana Islands brings poor weather. In Garapan, daytime temperatures are typically around 30°C (86°F) and nighttime lows hover near 27°C (81°F).

What is the average temperature in Northern Mariana Islands in August?

In Garapan, the average daytime high in August is 30°C (86°F), while nighttime temperatures drop to around 27°C (81°F).

Does Northern Mariana Islands get a lot of rain in August?

Expect plenty of rainfall. Garapan records an average of 352 mm (14 in) in August, putting it among the wetter months for Northern Mariana Islands.

Is August a Good Time to Visit Northern Mariana Islands?

In our opinion, August may not be the ideal time to visit Northern Mariana Islands due to the typically poor weather in Garapan.

Generally speaking, the best visiting conditions can be found in January, February, March, April, May and December offering mostly perfect weather in Garapan. In contrast, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Northern Mariana Islands.

Weather and climate has detailed information for every country in the world. Are you going to Northern Mariana Islands? Get detailed historical weather averages for many cities in Northern Mariana Islands.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.