Climate averages 1991–2020
Hagåtña weather
in June.
A hot, wet month: the warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Hagåtña: daytime highs average 28.6°C and nights cool to about 26.5°C. By daytime temperature it is the warmest month of the year.
Expect about 140 mm of rain on roughly 20 days, which makes June a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 54 min on an average June day.
The nearest other city in this atlas is Saipan (221 km away). In June its highs average 27.9°C, 0.7°C cooler than Hagåtña, with 100 mm of rain.
From June to July, average highs fall by 0.2°C to 28.4°C, and monthly rainfall rises from 140 mm to 272 mm.
The annual picture
June 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, selected | 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
June 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.