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 °C
29°C maximum daytime temperature in January in Saipan29
29°C maximum daytime temperature in February in Saipan29
29°C maximum daytime temperature in March in Saipan29
30°C maximum daytime temperature in April in Saipan30
30°C maximum daytime temperature in May in Saipan30
31°C maximum daytime temperature in June in Saipan31
31°C maximum daytime temperature in July in Saipan31
31°C maximum daytime temperature in August in Saipan31
31°C maximum daytime temperature in September in Saipan31
31°C maximum daytime temperature in October in Saipan31
30°C maximum daytime temperature in November in Saipan30
30°C maximum daytime temperature in December in Saipan30
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 °C
27°C sea temperature in January in Saipan27
27°C sea temperature in February in Saipan27
27°C sea temperature in March in Saipan27
28°C sea temperature in April in Saipan28
28°C sea temperature in May in Saipan28
29°C sea temperature in June in Saipan29
29°C sea temperature in July in Saipan29
29°C sea temperature in August in Saipan29
29°C sea temperature in September in Saipan29
29°C sea temperature in October in Saipan29
29°C sea temperature in November in Saipan29
28°C sea temperature in December in Saipan28

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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 / mm)  |  Imperial (°F / inches)

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Northern Mariana Islands weather averages

Temperature in Northern Mariana Islands (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
29°C maximum daytime temperature in January in Northern Mariana Islands (Saipan)29
29°C maximum daytime temperature in February in Northern Mariana Islands (Saipan)29
29°C maximum daytime temperature in March in Northern Mariana Islands (Saipan)29
30°C maximum daytime temperature in April in Northern Mariana Islands (Saipan)30
30°C maximum daytime temperature in May in Northern Mariana Islands (Saipan)30
31°C maximum daytime temperature in June in Northern Mariana Islands (Saipan)31
31°C maximum daytime temperature in July in Northern Mariana Islands (Saipan)31
31°C maximum daytime temperature in August in Northern Mariana Islands (Saipan)31
31°C maximum daytime temperature in September in Northern Mariana Islands (Saipan)31
31°C maximum daytime temperature in October in Northern Mariana Islands (Saipan)31
30°C maximum daytime temperature in November in Northern Mariana Islands (Saipan)30
30°C maximum daytime temperature in December in Northern Mariana Islands (Saipan)30
Min temperature (night-time)
24°C minimum night-time temperature in January in Northern Mariana Islands (Saipan)24
23°C minimum night-time temperature in February in Northern Mariana Islands (Saipan)23
23°C minimum night-time temperature in March in Northern Mariana Islands (Saipan)23
24°C minimum night-time temperature in April in Northern Mariana Islands (Saipan)24
25°C minimum night-time temperature in May in Northern Mariana Islands (Saipan)25
25°C minimum night-time temperature in June in Northern Mariana Islands (Saipan)25
25°C minimum night-time temperature in July in Northern Mariana Islands (Saipan)25
25°C minimum night-time temperature in August in Northern Mariana Islands (Saipan)25
25°C minimum night-time temperature in September in Northern Mariana Islands (Saipan)25
25°C minimum night-time temperature in October in Northern Mariana Islands (Saipan)25
25°C minimum night-time temperature in November in Northern Mariana Islands (Saipan)25
24°C minimum night-time temperature in December in Northern Mariana Islands (Saipan)24
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
27°C sea temperature in January in Northern Mariana Islands (Saipan)27
27°C sea temperature in February in Northern Mariana Islands (Saipan)27
27°C sea temperature in March in Northern Mariana Islands (Saipan)27
28°C sea temperature in April in Northern Mariana Islands (Saipan)28
28°C sea temperature in May in Northern Mariana Islands (Saipan)28
29°C sea temperature in June in Northern Mariana Islands (Saipan)29
29°C sea temperature in July in Northern Mariana Islands (Saipan)29
29°C sea temperature in August in Northern Mariana Islands (Saipan)29
29°C sea temperature in September in Northern Mariana Islands (Saipan)29
29°C sea temperature in October in Northern Mariana Islands (Saipan)29
29°C sea temperature in November in Northern Mariana Islands (Saipan)29
28°C sea temperature in December in Northern Mariana Islands (Saipan)28

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 (mm)
108 mm monthly rainfall in January in Northern Mariana Islands (Saipan)108
74 mm monthly rainfall in February in Northern Mariana Islands (Saipan)74
82 mm monthly rainfall in March in Northern Mariana Islands (Saipan)82
102 mm monthly rainfall in April in Northern Mariana Islands (Saipan)102
95 mm monthly rainfall in May in Northern Mariana Islands (Saipan)95
127 mm monthly rainfall in June in Northern Mariana Islands (Saipan)127
229 mm monthly rainfall in July in Northern Mariana Islands (Saipan)229
283 mm monthly rainfall in August in Northern Mariana Islands (Saipan)283
325 mm monthly rainfall in September in Northern Mariana Islands (Saipan)325
285 mm monthly rainfall in October in Northern Mariana Islands (Saipan)285
181 mm monthly rainfall in November in Northern Mariana Islands (Saipan)181
121 mm monthly rainfall in December in Northern Mariana Islands (Saipan)121

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 (°C)

Northern Mariana Islands (Saipan)
UK (London)
29
7
29
7
29
10
30
13
30
17
31
20
31
22
31
22
31
19
31
15
30
10
30
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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