Climate averages 1991–2020
Hagåtña weather
in October.
A hot, very wet month: the joint 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Hagåtña: daytime highs average 28.3°C and nights cool to about 26.1°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 279 mm of rain on roughly 28 days, which makes October a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average October day.
The nearest other city in this atlas is Saipan (221 km away). In October its highs average 27.1°C, 1.2°C cooler than Hagåtña, with 304 mm of rain.
From October to November, average highs stay level at 28.3°C, and monthly rainfall falls from 279 mm to 175 mm.
The annual picture
October 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 | 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, selected | 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
October 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.