Climate averages 1991–2020
Hagåtña weather
in March.
A warm, moderately wet month: the 10th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Hagåtña: daytime highs average 27.4°C and nights cool to about 25.7°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 45 mm of rain on roughly 10 days, which makes March a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average March day.
The nearest other city in this atlas is Saipan (221 km away). In March its highs average 26.5°C, 0.9°C cooler than Hagåtña, with 37 mm of rain.
From March to April, average highs rise by 0.6°C to 27.9°C, and monthly rainfall rises from 45 mm to 67 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Hagåtña climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.3°C25.8°C | 25.8°C | 71 | 14.7 | 11.411 h |
| February | 27.1°C25.6°C | 25.6°C | 52 | 11.5 | 11.712 h |
| March, selected | 27.4°C25.7°C | 25.7°C | 45 | 10.2 | 12.012 h |
| April | 27.9°C26.1°C | 26.1°C | 67 | 11.1 | 12.412 h |
| May | 28.4°C26.4°C | 26.4°C | 81 | 15.0 | 12.713 h |
| June | 28.6°C26.5°C | 26.5°C | 140 | 20.4 | 12.913 h |
| July | 28.4°C26.2°C | 26.2°C | 272 | 28.4 | 12.813 h |
| August | 28.3°C26.1°C | 26.1°C | 350 | 29.2 | 12.613 h |
| September | 28.3°C26.1°C | 26.1°C | 314 | 27.2 | 12.212 h |
| October | 28.3°C26.1°C | 26.1°C | 279 | 27.5 | 11.812 h |
| November | 28.3°C26.5°C | 26.5°C | 175 | 21.5 | 11.512 h |
| December | 27.9°C26.3°C | 26.3°C | 93 | 16.8 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hagåtña) is explained once on the Hagåtña year overview and on the Sources, method and limits page.