May is one of the warmer months of the year in Anjaw, with average highs near 21.5°C and lows around 4°C (mean 12.8°C). It is a relatively wet time of year, averaging 170 mm of rainfall and 77% relative humidity across the period.
May is one of the warmer months of the year in Anjaw. Across 45 years of records, the warmest May in Anjaw was 2007 — when the month averaged 14.6°C — while the coldest was 1989 at 10.7°C. Typical May days reach 21.5°C with nights near 4°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.2°C | 13.0°C | 13.1°C | 12.6°C | 13.0°C | +0.8°C |
| Avg High | 20.9°C | 21.8°C | 22.1°C | 20.9°C | 21.9°C | +1°C |
| Avg Low | 3.4°C | 4.3°C | 4.1°C | 4.3°C | 4.1°C | +0.7°C |
| Avg Rain | 160 mm | 152 mm | 158 mm | 199 mm | 182 mm | +23 mm |
May temperatures in Anjaw have risen by about 0.8°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 1.1°C (1989) to a record high of 23.7°C (2000).
Rainfall in May is a relatively wet time of year, averaging 170 mm, with a wettest year of 361 mm.
A good time to visit Anjaw
May is a good time to visit Anjaw, with days averaging 21.5°C and nights around 4°C (mean 12.8°C, warmer than Anjaw's yearly average) and higher rainfall. August and September are marginally more temperate, but May still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 22.0°C | 4.3°C | 13.1°C | 158 mm | 81% | 0.8 m/s | 3.5 |
| 2024 | 22.7°C | 1.8°C | 12.3°C | 126 mm | 79% | 0.8 m/s | 4 |
| 2023 | 23.1°C | 3.4°C | 13.2°C | 110 mm | 74% | 0.9 m/s | 4.2 |
| 2022 | 20.5°C | 4.3°C | 12.4°C | 249 mm | 83% | 0.8 m/s | 3.8 |
| 2021 | 23.0°C | 5.7°C | 14.3°C | 148 mm | 79% | 0.9 m/s | 3.5 |
| 2020 | 20.0°C | 5.2°C | 12.6°C | 304 mm | 80% | 0.8 m/s | 4.1 |
| 2019 | 20.8°C | 5.1°C | 13.0°C | 175 mm | 78% | 0.9 m/s | 3.3 |
| 2018 | 20.4°C | 4.4°C | 12.4°C | 157 mm | 80% | 0.8 m/s | 3.9 |
| 2017 | 20.4°C | 4.6°C | 12.5°C | 178 mm | 80% | 0.8 m/s | 3.9 |
| 2016 | 20.7°C | 4.5°C | 12.6°C | 165 mm | 82% | 0.8 m/s | 4 |
| 2015 | 20.4°C | 5.1°C | 12.8°C | 149 mm | 78% | 0.8 m/s | 3.6 |
| 2014 | 21.2°C | 4.7°C | 12.9°C | 310 mm | 79% | 0.9 m/s | 3.7 |
| 2013 | 21.4°C | 2.4°C | 11.9°C | 277 mm | 84% | 0.9 m/s | 3.7 |
| 2012 | 21.9°C | 2.4°C | 12.1°C | 173 mm | 73% | 0.9 m/s | 5.3 |
| 2011 | 21.3°C | 4.6°C | 12.9°C | 117 mm | 78% | 0.8 m/s | 4.5 |
| 2010 | 20.7°C | 4.7°C | 12.7°C | 290 mm | 84% | 0.8 m/s | 3.5 |
| 2009 | 21.6°C | 3.8°C | 12.7°C | 137 mm | 77% | 0.8 m/s | 4.5 |
| 2008 | 21.6°C | 5.0°C | 13.3°C | 208 mm | 73% | 0.9 m/s | 4.3 |
| 2007 🔥 | 23.0°C | 6.1°C | 14.6°C | 84 mm | 72% | 0.9 m/s | 4.6 |
| 2006 | 21.8°C | 4.9°C | 13.3°C | 188 mm | 75% | 0.8 m/s | 4.4 |
| 2005 | 22.3°C | 2.7°C | 12.5°C | 182 mm | 73% | 0.9 m/s | 4.2 |
| 2004 🌧️ | 20.6°C | 4.2°C | 12.4°C | 361 mm | 76% | 0.9 m/s | 3.9 |
| 2003 | 22.6°C | 3.0°C | 12.8°C | 69 mm | 65% | 1 m/s | 4.1 |
| 2002 | 21.7°C | 1.2°C | 11.4°C | 158 mm | 79% | 0.8 m/s | 4.5 |
| 2001 | 22.1°C | 5.1°C | 13.6°C | 105 mm | 72% | 0.8 m/s | 4.4 |
| 2000 | 23.7°C | 4.5°C | 14.1°C | 89 mm | 73% | 0.8 m/s | 4.3 |
| 1999 | 23.1°C | 5.4°C | 14.2°C | 62 mm | 78% | 0.9 m/s | 4.2 |
| 1998 | 23.6°C | 5.3°C | 14.4°C | 108 mm | 71% | 0.9 m/s | 5.3 |
| 1997 | 20.4°C | 3.7°C | 12.0°C | 142 mm | 72% | 0.9 m/s | 4.3 |
| 1996 | 21.9°C | 3.8°C | 12.8°C | 233 mm | 75% | 0.9 m/s | 4 |
| 1995 | 22.1°C | 5.6°C | 13.8°C | 271 mm | 77% | 0.9 m/s | 4.5 |
| 1994 | 21.8°C | 5.2°C | 13.5°C | 133 mm | 69% | 0.9 m/s | 5 |
| 1993 | 22.0°C | 4.0°C | 13.0°C | 118 mm | 74% | 0.9 m/s | 4.2 |
| 1992 | 20.8°C | 2.2°C | 11.5°C | 120 mm | 76% | 0.9 m/s | 4.5 |
| 1991 | 21.1°C | 3.3°C | 12.2°C | 118 mm | 80% | 0.9 m/s | 3.9 |
| 1990 | 20.7°C | 4.1°C | 12.4°C | 220 mm | 79% | 0.8 m/s | 4.7 |
| 1989 ❄️ | 20.3°C | 1.1°C | 10.7°C | 127 mm | 78% | 0.8 m/s | 5.2 |
| 1988 | 20.3°C | 5.3°C | 12.8°C | 320 mm | 80% | 0.8 m/s | 4 |
| 1987 | 22.6°C | 2.2°C | 12.4°C | 93 mm | 73% | 0.9 m/s | 4.5 |
| 1986 | 20.5°C | 3.0°C | 11.8°C | 53 mm | 70% | 0.9 m/s | 5.4 |
| 1985 | 20.3°C | 4.1°C | 12.2°C | 223 mm | 76% | 0.9 m/s | 4.1 |
| 1984 | 22.3°C | 3.6°C | 12.9°C | 128 mm | 79% | 0.8 m/s | 4.3 |
| 1983 | 21.6°C | 2.5°C | 12.0°C | 161 mm | 77% | 0.8 m/s | — |
| 1982 | 20.8°C | 3.0°C | 11.9°C | 89 mm | 73% | 0.9 m/s | — |
| 1981 | 19.5°C | 5.9°C | 12.7°C | 242 mm | 80% | 0.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 21.5°C with lows near 4°C (mean 12.8°C), based on 45 years of NASA POWER data.
May averages 170 mm of rainfall in Anjaw, a relatively wet time of year. The wettest on record was 361 mm in 2004.
The hottest May reached 23.7°C in 2000. The coldest dipped to 1.1°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.8°C. Daytime highs moved from 20.9°C to 22.3°C and overnight lows from 3.8°C to 3.9°C over the same span.
May is one of the warmer months of the year in Anjaw and a relatively wet time of year, so plan for around 21.5°C daytime highs and 4°C at night.
Not quite — May is the 8th coolest month in Anjaw, averaging 12.8°C.
For May in Anjaw, pack warm layers and a jacket for chilly mornings, with typical highs of 21.5°C and lows of 4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 77% — quite humid.
Average wind speed in May is 0.9 m/s. The windiest May on record averaged 1 m/s (2003).
The wettest May on record was 2004 with 361 mm. On average, May sees 170 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 Anjaw behaves each May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
