June is one of the warmer months of the year in West Siang, with average highs near 30°C and lows around 21.5°C (mean 25.8°C). It is a relatively wet time of year, averaging 462 mm of rainfall and 80% relative humidity across the period.
June is one of the warmer months of the year in West Siang. Across 45 years of records, the warmest June in West Siang was 2013 — when the month averaged 26.9°C — while the coldest was 1982 at 24.3°C. Typical June days reach 30°C with nights near 21.5°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in West Siang, averaging 462 mm of rainfall. The wettest June on record was 2022 with 1027 mm, while the driest was 1996 at 182 mm.
Relative humidity in West Siang during June averages 80%. The most humid June was 2022 at 87%, and the least humid was 1986 at 73%.
June receives about 3.8 kWh/m²/day of solar energy in West Siang. The sunniest June was 2001 at 4.6 kWh/m²/day, and the cloudiest was 2022 at 2.7.
Average wind speed in West Siang during June is 0.3 m/s. The windiest Junes were 2023, 2024 and 2025, among others at 0.3 m/s, while the calmest was 2022 at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 25.5°C | 26.0°C | 25.7°C | 25.5°C | -0.4°C |
| Avg High | 30.4°C | 29.9°C | 30.5°C | 29.5°C | 29.1°C | -1.3°C |
| Avg Low | 21.4°C | 21.1°C | 21.4°C | 21.9°C | 21.8°C | +0.4°C |
| Avg Rain | 349 mm | 486 mm | 386 mm | 471 mm | 700 mm | +350 mm |
June temperatures in West Siang have stayed relatively stable across the record.
June has ranged from a record low of 16.4°C (1993) to a record high of 36.8°C (1999).
Rainfall in June is a relatively wet time of year, averaging 462 mm, with a wettest year of 1027 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit West Siang
If your dates are flexible, the more temperate months of October and November tend to be the most comfortable for visiting West Siang. That said, June — with days averaging 30°C and nights around 21.5°C (mean 25.8°C) and higher rainfall (462 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.1°C | 26.3°C | 22.5°C | 34.3°C | 20.3°C | 336 mm | 81% | 0.3 m/s | 4.3 |
| 2024 | 29.8°C | 25.9°C | 22.0°C | 33.4°C | 19.7°C | 824 mm | 83% | 0.3 m/s | 3 |
| 2023 | 29.7°C | 25.5°C | 21.3°C | 34.4°C | 18.4°C | 479 mm | 81% | 0.3 m/s | 3.9 |
| 2022 🌧️ | 27.7°C | 24.6°C | 21.4°C | 30.9°C | 18.9°C | 1027 mm | 87% | 0.2 m/s | 2.7 |
| 2021 | 28.7°C | 25.3°C | 21.8°C | 31.6°C | 19.5°C | 652 mm | 85% | 0.3 m/s | 3.6 |
| 2020 | 28.6°C | 25.2°C | 21.7°C | 33.2°C | 17.6°C | 880 mm | 86% | 0.3 m/s | 3.1 |
| 2019 | 30.3°C | 26.4°C | 22.5°C | 35.2°C | 19.4°C | 487 mm | 82% | 0.3 m/s | 4.3 |
| 2018 | 29.8°C | 26.0°C | 22.2°C | 34.3°C | 20.5°C | 382 mm | 82% | 0.3 m/s | 3.9 |
| 2017 | 29.3°C | 25.6°C | 21.9°C | 33.9°C | 18.9°C | 613 mm | 84% | 0.3 m/s | 3.5 |
| 2016 | 29.3°C | 25.7°C | 22.1°C | 33.0°C | 19.9°C | 417 mm | 84% | 0.3 m/s | 3.7 |
| 2015 | 28.2°C | 24.8°C | 21.5°C | 34.1°C | 18.3°C | 604 mm | 87% | 0.3 m/s | 3.6 |
| 2014 | 29.6°C | 26.0°C | 22.5°C | 33.7°C | 21.1°C | 413 mm | 83% | 0.3 m/s | 3.7 |
| 2013 🔥 | 30.9°C | 26.9°C | 22.8°C | 35.0°C | 21.2°C | 388 mm | 80% | 0.3 m/s | 4.5 |
| 2012 | 29.0°C | 25.2°C | 21.5°C | 32.3°C | 20.0°C | 563 mm | 83% | 0.3 m/s | 3 |
| 2011 | 30.4°C | 25.9°C | 21.4°C | 36.3°C | 18.2°C | 359 mm | 77% | 0.3 m/s | 3.9 |
| 2010 | 28.4°C | 24.7°C | 20.9°C | 31.3°C | 17.1°C | 485 mm | 83% | 0.3 m/s | 3.1 |
| 2009 | 30.4°C | 25.8°C | 21.2°C | 33.8°C | 18.3°C | 420 mm | 77% | 0.3 m/s | 3.9 |
| 2008 | 30.1°C | 25.8°C | 21.5°C | 32.9°C | 19.5°C | 633 mm | 79% | 0.3 m/s | 3.7 |
| 2007 | 30.4°C | 25.7°C | 20.9°C | 33.8°C | 19.2°C | 452 mm | 77% | 0.3 m/s | 3.6 |
| 2006 | 30.3°C | 25.9°C | 21.6°C | 33.2°C | 19.3°C | 507 mm | 77% | 0.3 m/s | 3.3 |
| 2005 | 31.4°C | 26.4°C | 21.5°C | 34.8°C | 17.7°C | 352 mm | 73% | 0.3 m/s | 4 |
| 2004 | 29.4°C | 25.2°C | 21.0°C | 32.6°C | 18.5°C | 321 mm | 80% | 0.3 m/s | 3.1 |
| 2003 | 30.1°C | 25.7°C | 21.3°C | 36.2°C | 19.1°C | 328 mm | 78% | 0.3 m/s | 3.5 |
| 2002 | 30.9°C | 26.2°C | 21.6°C | 35.2°C | 19.0°C | 250 mm | 76% | 0.3 m/s | 3.8 |
| 2001 | 31.4°C | 26.6°C | 21.8°C | 35.3°C | 18.8°C | 247 mm | 76% | 0.3 m/s | 4.6 |
| 2000 | 30.9°C | 26.5°C | 22.0°C | 36.2°C | 19.4°C | 354 mm | 78% | 0.3 m/s | 3.8 |
| 1999 | 31.2°C | 26.7°C | 22.1°C | 36.8°C | 19.3°C | 328 mm | 77% | 0.3 m/s | 4.2 |
| 1998 | 29.6°C | 25.5°C | 21.5°C | 32.3°C | 17.2°C | 740 mm | 82% | 0.3 m/s | 4.5 |
| 1997 | 29.3°C | 25.0°C | 20.6°C | 32.2°C | 18.0°C | 482 mm | 80% | 0.3 m/s | 4.5 |
| 1996 | 30.2°C | 25.1°C | 20.1°C | 35.7°C | 16.6°C | 182 mm | 75% | 0.3 m/s | 4.3 |
| 1995 | 29.6°C | 25.6°C | 21.7°C | 34.1°C | 19.7°C | 569 mm | 82% | 0.3 m/s | 4.5 |
| 1994 | 30.7°C | 26.0°C | 21.2°C | 34.2°C | 18.6°C | 402 mm | 77% | 0.3 m/s | 4 |
| 1993 | 29.0°C | 24.7°C | 20.4°C | 34.7°C | 16.4°C | 488 mm | 80% | 0.3 m/s | 3.7 |
| 1992 | 30.1°C | 25.2°C | 20.3°C | 33.4°C | 17.8°C | 413 mm | 76% | 0.3 m/s | 4.1 |
| 1991 | 30.3°C | 25.9°C | 21.5°C | 35.7°C | 18.0°C | 572 mm | 78% | 0.3 m/s | 3.5 |
| 1990 | 29.2°C | 25.2°C | 21.1°C | 33.1°C | 18.4°C | 687 mm | 82% | 0.3 m/s | 4.2 |
| 1989 | 31.0°C | 26.0°C | 21.0°C | 36.4°C | 18.2°C | 322 mm | 75% | 0.3 m/s | 3.8 |
| 1988 | 30.8°C | 26.2°C | 21.6°C | 34.9°C | 20.2°C | 190 mm | 78% | 0.3 m/s | 4.1 |
| 1987 | 31.3°C | 26.6°C | 21.9°C | 35.1°C | 20.0°C | 209 mm | 76% | 0.3 m/s | 3 |
| 1986 | 31.5°C | 26.3°C | 21.1°C | 34.8°C | 18.3°C | 355 mm | 73% | 0.3 m/s | 3.3 |
| 1985 | 30.0°C | 25.6°C | 21.2°C | 34.3°C | 19.5°C | 465 mm | 79% | 0.3 m/s | 3.3 |
| 1984 | 30.3°C | 26.1°C | 22.0°C | 35.1°C | 20.5°C | 374 mm | 78% | 0.3 m/s | 4.2 |
| 1983 | 30.6°C | 25.8°C | 21.1°C | 34.5°C | 17.6°C | 254 mm | 76% | 0.3 m/s | — |
| 1982 ❄️ | 28.0°C | 24.3°C | 20.6°C | 32.5°C | 18.1°C | 359 mm | 83% | 0.3 m/s | — |
| 1981 | 30.1°C | 26.0°C | 21.8°C | 34.5°C | 18.3°C | 614 mm | 79% | 0.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 30°C with lows near 21.5°C (mean 25.8°C), based on 45 years of NASA POWER data.
June averages 462 mm of rainfall in West Siang, a relatively wet time of year. The wettest on record was 1027 mm in 2022.
The hottest June reached 36.8°C in 1999. The coldest dipped to 16.4°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 21.3°C to 21.8°C while daytime highs eased from 29.8°C to 29.2°C, narrowing the gap between day and night.
June is one of the warmer months of the year in West Siang and a relatively wet time of year, so plan for around 30°C daytime highs and 21.5°C at night.
Not quite — June is the 10th coolest month in West Siang, averaging 25.8°C.
For June in West Siang, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 21.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 80% — quite humid.
Average wind speed in June is 0.3 m/s. The windiest June on record averaged 0.3 m/s (1981).
The wettest June on record was 2022 with 1027 mm. On average, June sees 462 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 West Siang 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.
