June is one of the warmer months of the year in Hagatna, with average highs near 28.9°C and lows around 28°C (mean 28.5°C). It is one of the drier months, averaging 94 mm of rainfall and 80% relative humidity across the period.
June is one of the warmer months of the year in Hagatna. Across 45 years of records, the warmest June in Hagatna was 2014 — when the month averaged 29.3°C — while the coldest was 1989 at 27.5°C. Typical June days reach 28.9°C with nights near 28°C. The long-term trend is warming, about 0.3°C per decade.
June is one of the drier months in Hagatna, averaging 94 mm of rainfall. The wettest June on record was 2004 with 479 mm, while the driest was 1993 at 11 mm.
Relative humidity in Hagatna during June averages 80%. The most humid June was 1991 at 83%, and the least humid was 1993 at 77%.
June receives about 6.3 kWh/m²/day of solar energy in Hagatna. The sunniest June was 2007 at 7.1 kWh/m²/day, and the cloudiest was 2004 at 4.7.
Average wind speed in Hagatna during June is 4.8 m/s. The windiest June was 1992 at 6.3 m/s, while the calmest was 2014 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.8°C | 28.3°C | 28.5°C | 28.9°C | 28.7°C | +0.9°C |
| Avg High | 28.3°C | 28.7°C | 28.9°C | 29.3°C | 29.2°C | +0.9°C |
| Avg Low | 27.4°C | 27.9°C | 28.2°C | 28.4°C | 28.3°C | +0.9°C |
| Avg Rain | 117 mm | 68 mm | 115 mm | 81 mm | 89 mm | -28 mm |
June temperatures in Hagatna have risen by about 1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 25.9°C (1989) to a record high of 30.3°C (2014).
Rainfall in June is one of the drier months, averaging 94 mm, with a wettest year of 479 mm.
A good time to visit Hagatna
June is a good time to visit Hagatna, with days averaging 28.9°C and nights around 28°C (mean 28.5°C, close to Hagatna's yearly average) and higher rainfall. March and February are marginally more temperate, but June still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.1°C | 28.7°C | 28.2°C | 29.8°C | 26.6°C | 204 mm | 82% | 3.8 m/s | 5.4 |
| 2024 | 29.6°C | 29.2°C | 28.8°C | 30.1°C | 28.3°C | 51 mm | 80% | 5.1 m/s | 6.6 |
| 2023 | 29.0°C | 28.5°C | 28.1°C | 29.6°C | 26.3°C | 82 mm | 83% | 4.8 m/s | 6 |
| 2022 | 29.1°C | 28.6°C | 28.2°C | 29.7°C | 27.4°C | 65 mm | 80% | 4.2 m/s | 6.4 |
| 2021 | 29.3°C | 28.8°C | 28.3°C | 29.9°C | 27.8°C | 78 mm | 78% | 3.4 m/s | 6.5 |
| 2020 | 29.1°C | 28.7°C | 28.4°C | 29.6°C | 27.6°C | 56 mm | 80% | 5.3 m/s | 6.7 |
| 2019 | 29.5°C | 29.0°C | 28.6°C | 29.9°C | 27.9°C | 14 mm | 79% | 5 m/s | 7 |
| 2018 | 28.7°C | 28.3°C | 27.8°C | 29.5°C | 26.8°C | 91 mm | 82% | 4.2 m/s | 5.9 |
| 2017 | 29.5°C | 29.0°C | 28.5°C | 30.3°C | 27.8°C | 85 mm | 79% | 3.8 m/s | 6.4 |
| 2016 | 29.5°C | 29.0°C | 28.6°C | 30.0°C | 27.6°C | 25 mm | 79% | 4.8 m/s | 6.9 |
| 2015 | 28.8°C | 28.4°C | 28.1°C | 29.4°C | 27.1°C | 98 mm | 81% | 5.2 m/s | 6.5 |
| 2014 🔥 | 29.8°C | 29.3°C | 28.8°C | 30.3°C | 28.1°C | 68 mm | 79% | 3.1 m/s | 6.7 |
| 2013 | 29.3°C | 28.9°C | 28.4°C | 29.9°C | 27.7°C | 95 mm | 80% | 5.2 m/s | 6.2 |
| 2012 | 29.1°C | 28.6°C | 28.2°C | 29.5°C | 27.2°C | 117 mm | 80% | 4.5 m/s | 6.4 |
| 2011 | 29.4°C | 29.0°C | 28.7°C | 29.8°C | 27.3°C | 114 mm | 80% | 5.7 m/s | 6.4 |
| 2010 | 29.4°C | 29.0°C | 28.6°C | 29.8°C | 27.7°C | 98 mm | 79% | 5 m/s | 6.5 |
| 2009 | 29.1°C | 28.7°C | 28.4°C | 29.8°C | 27.6°C | 68 mm | 79% | 4.3 m/s | 6.5 |
| 2008 | 28.5°C | 28.2°C | 27.8°C | 29.2°C | 27.1°C | 99 mm | 80% | 4.7 m/s | 6.4 |
| 2007 | 29.3°C | 28.9°C | 28.5°C | 30.1°C | 27.1°C | 22 mm | 78% | 4.9 m/s | 7.1 |
| 2006 | 29.1°C | 28.7°C | 28.4°C | 29.5°C | 27.2°C | 63 mm | 80% | 5.4 m/s | 6.7 |
| 2005 | 28.9°C | 28.6°C | 28.3°C | 29.5°C | 27.7°C | 95 mm | 81% | 5.4 m/s | 6.3 |
| 2004 🌧️ | 28.9°C | 28.5°C | 28.1°C | 29.9°C | 26.8°C | 479 mm | 82% | 5.6 m/s | 4.7 |
| 2003 | 28.5°C | 28.1°C | 27.7°C | 29.2°C | 26.3°C | 87 mm | 82% | 4.7 m/s | 5.9 |
| 2002 | 29.0°C | 28.5°C | 28.1°C | 29.5°C | 27.3°C | 61 mm | 81% | 5.6 m/s | 6.5 |
| 2001 | 29.2°C | 28.8°C | 28.4°C | 29.9°C | 27.1°C | 101 mm | 81% | 4.2 m/s | 6.3 |
| 2000 | 28.6°C | 28.2°C | 27.8°C | 29.2°C | 26.7°C | 74 mm | 81% | 4.9 m/s | 6.2 |
| 1999 | 28.5°C | 28.1°C | 27.7°C | 29.5°C | 26.9°C | 153 mm | 82% | 4.5 m/s | 5.9 |
| 1998 | 28.8°C | 28.5°C | 28.1°C | 29.4°C | 27.6°C | 48 mm | 78% | 5.7 m/s | 6.4 |
| 1997 | 28.7°C | 28.2°C | 27.8°C | 29.7°C | 27.0°C | 125 mm | 81% | 4.5 m/s | 5.8 |
| 1996 | 29.0°C | 28.6°C | 28.2°C | 29.6°C | 27.6°C | 29 mm | 80% | 5 m/s | 6.7 |
| 1995 | 28.6°C | 28.2°C | 27.8°C | 29.2°C | 26.8°C | 56 mm | 80% | 5.5 m/s | 6.6 |
| 1994 | 29.0°C | 28.6°C | 28.2°C | 29.7°C | 27.6°C | 28 mm | 79% | 4.8 m/s | 6.5 |
| 1993 | 28.6°C | 28.1°C | 27.7°C | 29.1°C | 27.1°C | 11 mm | 77% | 4.9 m/s | 6.8 |
| 1992 | 28.3°C | 28.0°C | 27.6°C | 28.8°C | 27.1°C | 28 mm | 80% | 6.3 m/s | 6.5 |
| 1991 | 28.4°C | 28.1°C | 27.7°C | 29.1°C | 27.0°C | 107 mm | 83% | 5.4 m/s | 5.8 |
| 1990 | 28.7°C | 28.4°C | 28.0°C | 29.3°C | 26.3°C | 95 mm | 81% | 5.3 m/s | 5.9 |
| 1989 ❄️ | 27.9°C | 27.5°C | 27.1°C | 28.5°C | 25.9°C | 101 mm | 82% | 3.9 m/s | 6 |
| 1988 | 28.4°C | 27.9°C | 27.5°C | 29.1°C | 26.2°C | 80 mm | 82% | 4.4 m/s | 5.9 |
| 1987 | 28.5°C | 28.1°C | 27.7°C | 29.1°C | 27.0°C | 35 mm | 82% | 4.7 m/s | 6.4 |
| 1986 | 28.3°C | 27.9°C | 27.4°C | 29.1°C | 26.6°C | 101 mm | 81% | 4.5 m/s | 6 |
| 1985 | 28.3°C | 27.8°C | 27.4°C | 28.7°C | 26.2°C | 225 mm | 80% | 4.2 m/s | 5.7 |
| 1984 | 28.1°C | 27.7°C | 27.3°C | 29.5°C | 26.3°C | 159 mm | 80% | 4.1 m/s | 5.6 |
| 1983 | 28.2°C | 27.7°C | 27.2°C | 28.7°C | 26.2°C | 17 mm | 80% | 5.1 m/s | — |
| 1982 | 28.1°C | 27.7°C | 27.3°C | 28.8°C | 26.2°C | 227 mm | 83% | 5.3 m/s | — |
| 1981 | 28.6°C | 28.2°C | 27.8°C | 29.4°C | 27.2°C | 107 mm | 80% | 4.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 28.9°C with lows near 28°C (mean 28.5°C), based on 45 years of NASA POWER data.
June averages 94 mm of rainfall in Hagatna, one of the drier months. The wettest on record was 479 mm in 2004.
The hottest June reached 30.3°C in 2014. The coldest dipped to 25.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1°C. Daytime highs moved from 28.3°C to 29.2°C and overnight lows from 27.4°C to 28.3°C over the same span.
June is one of the warmer months of the year in Hagatna and one of the drier months, so plan for around 28.9°C daytime highs and 28°C at night.
Not quite — June is the 12th coolest month in Hagatna, averaging 28.5°C.
For June in Hagatna, pack light layers you can adjust through the day, with typical highs of 28.9°C and lows of 28°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 80% — quite humid.
Average wind speed in June is 4.8 m/s. The windiest June on record averaged 6.3 m/s (1992).
The wettest June on record was 2004 with 479 mm. On average, June sees 94 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Hagatna behaves each June, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for June specifically, along with year-by-year records and how the month has changed over the decades.
