Northern Mariana Islands climate guide

Temperature in Northern Mariana Islands (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
84°F maximum daytime temperature in January in Northern Mariana Islands (Saipan)84
84°F maximum daytime temperature in February in Northern Mariana Islands (Saipan)84
84°F maximum daytime temperature in March in Northern Mariana Islands (Saipan)84
86°F maximum daytime temperature in April in Northern Mariana Islands (Saipan)86
86°F maximum daytime temperature in May in Northern Mariana Islands (Saipan)86
88°F maximum daytime temperature in June in Northern Mariana Islands (Saipan)88
88°F maximum daytime temperature in July in Northern Mariana Islands (Saipan)88
88°F maximum daytime temperature in August in Northern Mariana Islands (Saipan)88
88°F maximum daytime temperature in September in Northern Mariana Islands (Saipan)88
88°F maximum daytime temperature in October in Northern Mariana Islands (Saipan)88
86°F maximum daytime temperature in November in Northern Mariana Islands (Saipan)86
86°F maximum daytime temperature in December in Northern Mariana Islands (Saipan)86
Min temperature (night-time)
75°F minimum night-time temperature in January in Northern Mariana Islands (Saipan)75
73°F minimum night-time temperature in February in Northern Mariana Islands (Saipan)73
73°F minimum night-time temperature in March in Northern Mariana Islands (Saipan)73
75°F minimum night-time temperature in April in Northern Mariana Islands (Saipan)75
77°F minimum night-time temperature in May in Northern Mariana Islands (Saipan)77
77°F minimum night-time temperature in June in Northern Mariana Islands (Saipan)77
77°F minimum night-time temperature in July in Northern Mariana Islands (Saipan)77
77°F minimum night-time temperature in August in Northern Mariana Islands (Saipan)77
77°F minimum night-time temperature in September in Northern Mariana Islands (Saipan)77
77°F minimum night-time temperature in October in Northern Mariana Islands (Saipan)77
77°F minimum night-time temperature in November in Northern Mariana Islands (Saipan)77
75°F minimum night-time temperature in December in Northern Mariana Islands (Saipan)75
Sea temperature
81°F sea temperature in January in Northern Mariana Islands (Saipan)81
81°F sea temperature in February in Northern Mariana Islands (Saipan)81
81°F sea temperature in March in Northern Mariana Islands (Saipan)81
82°F sea temperature in April in Northern Mariana Islands (Saipan)82
82°F sea temperature in May in Northern Mariana Islands (Saipan)82
84°F sea temperature in June in Northern Mariana Islands (Saipan)84
84°F sea temperature in July in Northern Mariana Islands (Saipan)84
84°F sea temperature in August in Northern Mariana Islands (Saipan)84
84°F sea temperature in September in Northern Mariana Islands (Saipan)84
84°F sea temperature in October in Northern Mariana Islands (Saipan)84
84°F sea temperature in November in Northern Mariana Islands (Saipan)84
82°F sea temperature in December in Northern Mariana Islands (Saipan)82

Sunshine & Daylight in Northern Mariana Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
6 hours of sunshine per day (49% of daylight hours) in January in Northern Mariana Islands6
6 hours of sunshine per day (52% of daylight hours) in February in Northern Mariana Islands6
7 hours of sunshine per day (57% of daylight hours) in March in Northern Mariana Islands7
7 hours of sunshine per day (57% of daylight hours) in April in Northern Mariana Islands7
7 hours of sunshine per day (55% of daylight hours) in May in Northern Mariana Islands7
7 hours of sunshine per day (52% of daylight hours) in June in Northern Mariana Islands7
6 hours of sunshine per day (44% of daylight hours) in July in Northern Mariana Islands6
5 hours of sunshine per day (41% of daylight hours) in August in Northern Mariana Islands5
5 hours of sunshine per day (43% of daylight hours) in September in Northern Mariana Islands5
5 hours of sunshine per day (41% of daylight hours) in October in Northern Mariana Islands5
5 hours of sunshine per day (42% of daylight hours) in November in Northern Mariana Islands5
5 hours of sunshine per day (42% of daylight hours) in December in Northern Mariana Islands5
Daily hours of daylight
11 hours of daylight per day in January in Northern Mariana Islands (Saipan)11
12 hours of daylight per day in February in Northern Mariana Islands (Saipan)12
12 hours of daylight per day in March in Northern Mariana Islands (Saipan)12
12 hours of daylight per day in April in Northern Mariana Islands (Saipan)12
13 hours of daylight per day in May in Northern Mariana Islands (Saipan)13
13 hours of daylight per day in June in Northern Mariana Islands (Saipan)13
13 hours of daylight per day in July in Northern Mariana Islands (Saipan)13
13 hours of daylight per day in August in Northern Mariana Islands (Saipan)13
12 hours of daylight per day in September in Northern Mariana Islands (Saipan)12
12 hours of daylight per day in October in Northern Mariana Islands (Saipan)12
11 hours of daylight per day in November in Northern Mariana Islands (Saipan)11
11 hours of daylight per day in December in Northern Mariana Islands (Saipan)11

Rainfall in Northern Mariana Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
23 days with some rainfall in January in Northern Mariana Islands (Saipan)23
19 days with some rainfall in February in Northern Mariana Islands (Saipan)19
20 days with some rainfall in March in Northern Mariana Islands (Saipan)20
19 days with some rainfall in April in Northern Mariana Islands (Saipan)19
20 days with some rainfall in May in Northern Mariana Islands (Saipan)20
17 days with some rainfall in June in Northern Mariana Islands (Saipan)17
19 days with some rainfall in July in Northern Mariana Islands (Saipan)19
21 days with some rainfall in August in Northern Mariana Islands (Saipan)21
19 days with some rainfall in September in Northern Mariana Islands (Saipan)19
22 days with some rainfall in October in Northern Mariana Islands (Saipan)22
22 days with some rainfall in November in Northern Mariana Islands (Saipan)22
23 days with some rainfall in December in Northern Mariana Islands (Saipan)23
Average monthly rainfall (inches)
4.3 inches monthly rainfall in January in Northern Mariana Islands (Saipan)4.3
2.9 inches monthly rainfall in February in Northern Mariana Islands (Saipan)2.9
3.2 inches monthly rainfall in March in Northern Mariana Islands (Saipan)3.2
4.0 inches monthly rainfall in April in Northern Mariana Islands (Saipan)4.0
3.7 inches monthly rainfall in May in Northern Mariana Islands (Saipan)3.7
5.0 inches monthly rainfall in June in Northern Mariana Islands (Saipan)5.0
9.0 inches monthly rainfall in July in Northern Mariana Islands (Saipan)9.0
11.1 inches monthly rainfall in August in Northern Mariana Islands (Saipan)11.1
12.8 inches monthly rainfall in September in Northern Mariana Islands (Saipan)12.8
11.2 inches monthly rainfall in October in Northern Mariana Islands (Saipan)11.2
7.1 inches monthly rainfall in November in Northern Mariana Islands (Saipan)7.1
4.8 inches monthly rainfall in December in Northern Mariana Islands (Saipan)4.8

More climate for Northern Mariana Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 10 (Very High) in January in Northern Mariana Islands (Saipan)10
UV (maximum) index 11+ (Extreme) in February in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in March in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in April in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in May in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in June in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in July in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in August in Northern Mariana Islands (Saipan)11
UV (maximum) index 11+ (Extreme) in September in Northern Mariana Islands (Saipan)11
UV (maximum) index 11 (Extreme) in October in Northern Mariana Islands (Saipan)11
UV (maximum) index 9 (Very High) in November in Northern Mariana Islands (Saipan)9
UV (maximum) index 9 (Very High) in December in Northern Mariana Islands (Saipan)9
Heat & Humidity
Moderate heat & humidity in January in Northern Mariana Islands (Saipan)M
Moderate heat & humidity in February in Northern Mariana Islands (Saipan)M
High heat & humidity in March in Northern Mariana Islands (Saipan)H
High heat & humidity in April in Northern Mariana Islands (Saipan)H
High heat & humidity in May in Northern Mariana Islands (Saipan)H
Very high heat & humidity in June in Northern Mariana Islands (Saipan)VH
Very high heat & humidity in July in Northern Mariana Islands (Saipan)VH
Very high heat & humidity in August in Northern Mariana Islands (Saipan)VH
Very high heat & humidity in September in Northern Mariana Islands (Saipan)VH
Very high heat & humidity in October in Northern Mariana Islands (Saipan)VH
High heat & humidity in November in Northern Mariana Islands (Saipan)H
High heat & humidity in December in Northern Mariana Islands (Saipan)H

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Going to the Northern Mariana Islands? Find the best month to visit the Northern Mariana Islands based on the weather.

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

Check climate guides for the Northern Mariana Islands showing average temperature, rainfall & sunshine figures for each month of the year. The climate guide shown above is for Saipan.

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More about Northern Mariana Islands

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

The climate guide for Northern Mariana Islands, represented by Saipan, shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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