Northern Mariana Islands Weather in May

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

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Garapan Saipan Rota

Thinking about venturing to Northern Mariana Islands this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Northern Mariana Islands in May

May in Northern Mariana Islands generally has warm temperatures, with moderate precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 27°C (81°F) in Garapan. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

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

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Saipan with an average of 78 mm (3.1 in) to moderate rainfall in Rota with 89 mm (3.5 in).

Explore Northern Mariana Islands by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Northern Mariana Islands in May

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 May for some of the most popular destinations in Northern Mariana Islands?

Temperature range in Northern Mariana Islands (May)

Precipitation variation in Northern Mariana Islands (May)

Garapan

In May Garapan generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
66 mm (2.6 in)
78 mm (3.1 in)
120 mm (4.7 in)
Monthly rainy days
19 days
20 days
17 days
Weather conditions
perfect
perfect
tolerable
Climate in Garapan →

Saipan

In May Saipan generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
66 mm (2.6 in)
78 mm (3.1 in)
120 mm (4.7 in)
Monthly rainy days
19 days
20 days
17 days
Weather conditions
perfect
perfect
tolerable
Climate in Saipan →

Rota

In May Rota generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
74 mm (2.9 in)
89 mm (3.5 in)
137 mm (5.4 in)
Monthly rainy days
19 days
20 days
17 days
Weather conditions
perfect
perfect
tolerable
Climate in Rota →

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

In our records: Northern Mariana Islands May extremes

Notable May records observed across cities in Northern Mariana Islands in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest May day in Northern Mariana Islands reached 37°C (99°F) in Garapan on May 10, 2000.

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Garapan 29°C (84°F) 27°C (81°F) 78 mm (3.1 in)
Saipan 29°C (84°F) 27°C (81°F) 78 mm (3.1 in)
Rota 29°C (84°F) 27°C (81°F) 89 mm (3.5 in)

Northern Mariana Islands weather in May: frequently asked questions

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

In May, Northern Mariana Islands generally has perfect weather conditions. Garapan sees daytime temperatures near 29°C (84°F), with nights cooling to roughly 27°C (81°F).

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

Daytime temperatures in Garapan peak at roughly 29°C (84°F) in May, dropping to about 27°C (81°F) overnight.

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

Rain is generally moderate to light in Northern Mariana Islands during May, with Garapan averaging close to 78 mm (3.1 in).

Is May a Good Time to Visit Northern Mariana Islands?

We consider May to be one of the best times to travel to Northern Mariana Islands. Typically, the climate in Garapan is perfect. It's worth noting that weather conditions might differ depending on the location you visit.

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

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.