Northern Mariana Islands weather by month

Check out the Northern Mariana Islands weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
84°F maximum daytime temperature in January in Saipan84
84°F maximum daytime temperature in February in Saipan84
84°F maximum daytime temperature in March in Saipan84
86°F maximum daytime temperature in April in Saipan86
86°F maximum daytime temperature in May in Saipan86
88°F maximum daytime temperature in June in Saipan88
88°F maximum daytime temperature in July in Saipan88
88°F maximum daytime temperature in August in Saipan88
88°F maximum daytime temperature in September in Saipan88
88°F maximum daytime temperature in October in Saipan88
86°F maximum daytime temperature in November in Saipan86
86°F maximum daytime temperature in December in Saipan86
Hours of sunshine (daily)
Days with some rainfall
23 days with some rainfall in January in Saipan23
19 days with some rainfall in February in Saipan19
20 days with some rainfall in March in Saipan20
19 days with some rainfall in April in Saipan19
20 days with some rainfall in May in Saipan20
17 days with some rainfall in June in Saipan17
19 days with some rainfall in July in Saipan19
21 days with some rainfall in August in Saipan21
19 days with some rainfall in September in Saipan19
22 days with some rainfall in October in Saipan22
22 days with some rainfall in November in Saipan22
23 days with some rainfall in December in Saipan23
Sea temperature °F
81°F sea temperature in January in Saipan81
81°F sea temperature in February in Saipan81
81°F sea temperature in March in Saipan81
82°F sea temperature in April in Saipan82
82°F sea temperature in May in Saipan82
84°F sea temperature in June in Saipan84
84°F sea temperature in July in Saipan84
84°F sea temperature in August in Saipan84
84°F sea temperature in September in Saipan84
84°F sea temperature in October in Saipan84
84°F sea temperature in November in Saipan84
82°F sea temperature in December in Saipan82

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More about the Northern Mariana Islands

Northern Mariana Islands by month

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

Recommended for the Northern Mariana Islands

The climate guide for Northern Mariana Islands (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.

Top Northern Mariana Islands destinations

Below are average maximum temperatures at popular countries, regions and places in the Northern Mariana Islands for next month - February. Select a destination to see the climate guide for all months of the year.

All Northern Mariana Islands destinations

Metric (°C)  |  Imperial (°F)

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Northern Mariana Islands weather averages

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
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
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

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

Sunshine & UV index in Northern Mariana Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
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
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

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

Tropical storm risk: Northern Mariana Islands typhoon season

% of month affected by tropical storms
1.1%
0
0
<1%
1%
1.2%
3.3%
6.5%
8.2%
7.7%
3.2%
1.7%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Northern Mariana Islands weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Northern Mariana Islands (Saipan) and the UK (London).

Maximum daytime temperature (°F)

Northern Mariana Islands (Saipan)
UK (London)
84
45
84
45
84
50
86
55
86
63
88
68
88
72
88
72
88
66
88
59
86
50
86
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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