Hagatna weather in March

In March, Hagatna sees average daytime highs of 27°C and overnight lows near 26°C, with 45 mm of rain across 10.2 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 12th-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 50% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Hagatna's 2nd-clearest and 4th-windiest month. For the whole year in context, see Hagatna's year-round climate.

Daytime high
27°
11th warmest
Overnight low
26°
2nd coldest
Rainfall
45 mm
10.2 wet days
Daylight
11 h 54 min
6:33 AM – 6:28 PM
Cloud cover
47%
2nd clearest
Wind
28 km/h
4th windiest
Solar energy
6.36 kWh/m²
Travel score
6.7
out of 10

Hagatna is capital city of Guam, United States.

Density
429/km²
people per km²

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Hagatna 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 26°C and 28°C. Set against its neighbours, March runs on par with February and on par with April.

20°23°25°28°30°151015202531
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
232726
242726
252726
262726
272726
282726
292726
302726
312726

How March really feels in Hagatna

Once humidity and wind are folded in, March 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

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

Hagatna weather by month

How March compares with the rest of the year at a glance. March is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°7114.711.36.0
Feb27° / 26°5111.311.66.3
Mar27° / 26°4510.211.96.7
Apr27° / 26°6711.112.36.5
May28° / 27°811512.65.6
Jun28° / 27°14020.412.84.4
Jul28° / 26°27328.412.73.3
Aug28° / 26°35029.212.43.2
Sep28° / 26°31427.212.13.3
Oct28° / 26°27927.511.73.6
Nov28° / 27°17521.511.44.5
Dec28° / 26°9316.811.25.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66733
76733
86733
96733
106634
116535
126535
136535
146535
156535
166535
176535
186535
196634
206634
216634
226733
236733
246931
256931
266931
277030
287129
297129
307129
317228

Chance of precipitation in March

Any precipitation

Hagatna gets around 45 mm of rain over 10.2 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
437
536
636
735
835
935
1035
1135
1234
1334
1434
1533
1633
1732
1832
1932
2031
2131
2231
2331
2431
2531
2631
2731
2831
2931
3031
3131

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1110836
2110836
3110827
4010837
5010837
6010837
7010837
8010837
9010837
10010837
1109847
1209847
1309847
1408866
1518856
1618856
1717866
1817866
1917866
2016867
2116867
2215877
2315868
2404888
2504879
2603889
27038710
28028810
29028711
30028612
31028612

Wind in March

Winds average 28 km/h in March.

Across March, daily wind ranges from about 27 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
129windy
229windy
329windy
429windy
529windy
629breezy
729breezy
829breezy
929breezy
1029breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 42 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over March. Sunrise moves from 6:43 AM to 6:23 AM, and sunset from 6:26 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:436:26
211.76:426:26
311.76:426:26
411.86:416:26
511.86:406:26
611.86:406:27
711.86:396:27
811.86:396:27
911.86:386:27
1011.86:376:27
1111.86:376:27
1211.96:366:27
1311.96:356:28
1411.96:356:28
1511.96:346:28
1611.96:336:28
1711.96:336:28
1811.96:326:28
1911.96:316:28
2012.06:316:28
2112.06:306:28
2212.06:296:28
2312.06:296:28
2412.06:286:29
2512.06:276:29
2612.06:276:29
2712.06:266:29
2812.16:256:29
2912.16:246:29
3012.16:246:29
3112.16:236:29

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.36 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.68 kWh/m² in April across the year — March's 6.36 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in March

Hazard calendar for Hagatna

In seasonPeak

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

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

Hagatna's monsoon runs July–November, when most of the year's rain falls.

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

Is March a good time to visit Hagatna?

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

6.7
Sightseeing
1st-best month of the year
6.8
Beach & pool
1st-best month of the year

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

What to pack for Hagatna in March

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

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

sun protectiona windbreakerlight clothesrain gear

Sea temperature near Hagatna in March

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

The sea at the nearest coast (about 17 km away) is warmest in July at about 29°C and coldest in February near 28°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
Feb28Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Hagatna in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Hagatna peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 14Dec 19UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high
Location & terrain

Where is Hagatna?

Hagatna sits at 13.5°N, 144.7°E, 3 m above sea level, in Guam. The nearest listed city is Tumon, 4.0 km away.

TumonTamuning-Tumon-Harmon VillageMangilao VillageDededo VillageYigo Village

Topography around Hagatna

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

Within 3 km, the terrain around Hagatna has only modest variations in elevation — a maximum elevation change of 205 m around an average of 35 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 317 m; within 80 km, significant variations in elevation — a maximum elevation change of 387 m.

The land around Hagatna is covered by water (42%) and trees (37%) within 3 km, water (60%) and trees (27%) within 16 km, and water (94%) within 80 km.

3 km
205 m
16 km
317 m
80 km
387 m
treesgrasslandartificial surfacesbare terrainwater
March weather nearby: Tumon 4.0 km · Tamuning-Tumon-Harmon Village 4.0 km · Mangilao Village 6.0 km · Dededo Village 11 km · Yigo Village 17 km · Saipan 221 km · Ngerulmud 1,291 km · Koror 1,314 km

Guam travel facts

Power plugs
Type A / B
110 V · 60 Hz
GDP per capita
$41,833
2022
Safe drinking water
94%
of population, 2024
Homicide rate
4.3
per 100k, 2019
Income group
High
World Bank
Religion
Christian 94%unaffiliated 2%other 2%folk religions 2%

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 Hagatna (13.4757°, 144.7489°, elevation 3 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).