Saipan weather in April

In April, Saipan sees average daytime highs of 27°C and overnight lows near 26°C, with 50 mm of rain across 10.4 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 60% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 30 min by month's end. Set against the rest of the year, April is Saipan's 1st-clearest and 6th-windiest month. For the whole year in context, see Saipan's year-round climate.

Daytime high
27°
9th warmest
Overnight low
26°
4th coldest
Rainfall
50 mm
10.4 wet days
Daylight
12 h 18 min
6:07 AM – 6:27 PM
Cloud cover
41%
1st clearest
Wind
25 km/h
6th windiest
Solar energy
6.75 kWh/m²
Travel score
6.7
out of 10

Saipan is city.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical April day in Saipan reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, April runs on par with March and on par with May.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232826
242826
252826
262826
272826
282826
292826
302826

How April really feels in Saipan

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Saipan weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°6113.311.26.2
Feb27° / 26°3911.311.56.5
Mar27° / 26°389.811.96.9
Apr27° / 26°5010.412.36.7
May28° / 27°6413.212.76.0
Jun28° / 27°10017.912.94.7
Jul28° / 27°2232712.83.5
Aug28° / 26°34028.212.53.3
Sep28° / 26°29826.612.13.4
Oct28° / 27°30425.611.73.8
Nov28° / 27°1331911.34.9
Dec28° / 26°6714.811.16.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67822
77822
87822
97822
107822
117723
127723
137723
147624
157624
167624
177525
187525
197426
207426
217327
227327
237228
247228
257228
267228
277129
287129
297129
307030

Chance of precipitation in April

Any precipitation

Saipan gets around 50 mm of rain over 10.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
130
230
330
430
530
631
731
831
931
1031
1131
1232
1332
1432
1533
1634
1734
1835
1936
2036
2137
2238
2338
2439
2539
2640
2740
2840
2940
3039

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the oppressive band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
14897
23898
33898
43889
53889
628810
728711
828711
928612
1028513
1128414
1228315
1328117
1428018
1527820
1627721
1717623
1817425
1917326
2017128
2117029
2216831
2316732
2416633
2516534
2616435
2716336
2816237
2916237
3016138

Wind in April

Winds average 25 km/h in April.

Across April, daily wind ranges from about 25 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
726breezy
826breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over April. Sunrise moves from 6:18 AM to 5:59 AM, and sunset from 6:25 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:186:25
212.16:176:26
312.26:166:26
412.26:166:26
512.26:156:26
612.26:146:26
712.26:136:26
812.26:136:26
912.26:126:26
1012.36:116:27
1112.36:106:27
1212.36:106:27
1312.36:096:27
1412.36:086:27
1512.36:086:27
1612.36:076:27
1712.46:066:28
1812.46:066:28
1912.46:056:28
2012.46:046:28
2112.46:046:28
2212.46:036:28
2312.46:026:29
2412.46:026:29
2512.56:016:29
2612.56:016:29
2712.56:006:29
2812.56:006:30
2912.55:596:30
3012.55:596:30

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.75 kWh/m².

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 6.76 kWh/m² in May across the year — April's 6.75 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in April

Hazard calendar for Saipan

In seasonPeak

In April, Saipan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Saipan sits in the Pacific typhoon belt; the season peaks July–October.

Saipan's monsoon runs July–October, when most of the year's rain falls.

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

Is April a good time to visit Saipan?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
2nd-best month of the year
6.9
Beach & pool
1st-best month of the year

April is a reasonable time to visit Saipan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Saipan in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Saipan sees daytime highs around 27°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear and a windbreaker. About 10 days see rain.

light clothessun protectionrain geara windbreaker

Sea temperature near Saipan in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in September at about 30°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Saipan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saipan peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 13Dec 18UV 9
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec8Very high
Location & terrain

Where is Saipan?

Saipan sits at 15.2°N, 145.8°E, 5 m above sea level, in Northern Mariana Islands. The nearest listed city is Yigo Village, 208 km away.

Topography around Saipan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saipan.

Within 3 km, the terrain around Saipan has significant variations in elevation — a maximum elevation change of 454 m around an average of 123 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 454 m; within 80 km, significant variations in elevation — a maximum elevation change of 446 m.

The land around Saipan is covered by trees (74%) within 3 km, water (86%) within 16 km, and water (97%) within 80 km.

3 km
454 m
16 km
454 m
80 km
446 m
treesgrasslandartificial surfaceswater
April weather nearby: Yigo Village 208 km · Dededo Village 213 km · Tamuning-Tumon-Harmon Village 219 km · Tumon 219 km · Hagatna 221 km · Mangilao Village 221 km · Ngerulmud 1,485 km · Koror 1,509 km

Northern Mariana Islands travel facts

GDP per capita
$23,786
2022
Safe drinking water
81%
of population, 2024
Income group
High
World Bank

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saipan (15.2123°, 145.7545°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).