May is one of the warmer months of the year in Pakyong, with average highs near 27.7°C and lows around 17.9°C (mean 22.8°C). It is a relatively wet time of year, averaging 144 mm of rainfall and 64% relative humidity across the period.
May is one of the warmer months of the year in Pakyong. Across 45 years of records, the warmest May in Pakyong was 1995 — when the month averaged 25°C — while the coldest were 2018 and 2020 at 21.1°C. Typical May days reach 27.7°C with nights near 17.9°C. The long-term trend is cooling, about 0.3°C per decade.
May is a relatively wet time of year in Pakyong, averaging 144 mm of rainfall. The wettest May on record was 2025 with 342 mm, while the driest was 1991 at 34 mm.
Relative humidity in Pakyong during May averages 64%. The most humid May was 2022 at 82%, and the least humid was 1997 at 47%.
May receives about 4.9 kWh/m²/day of solar energy in Pakyong. The sunniest May was 1996 at 5.9 kWh/m²/day, and the cloudiest was 2021 at 3.8.
Average wind speed in Pakyong during May is 1 m/s. The windiest Mays were 1994, 1995 and 1997, among others at 1.2 m/s, while the calmest was 2025 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.8°C | 23.6°C | 23.0°C | 22.6°C | 21.7°C | -1.1°C |
| Avg High | 28.0°C | 29.0°C | 27.9°C | 27.1°C | 25.9°C | -2.1°C |
| Avg Low | 17.5°C | 18.2°C | 18.0°C | 18.2°C | 17.6°C | +0.1°C |
| Avg Rain | 114 mm | 71 mm | 107 mm | 207 mm | 264 mm | +151 mm |
May temperatures in Pakyong have fallen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 13.7°C (2002) to a record high of 34.2°C (1994).
Rainfall in May is a relatively wet time of year, averaging 144 mm, with a wettest year of 342 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.6°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
One of the best times to visit Pakyong
May is one of the best times to visit Pakyong. Expect days averaging 27.7°C and nights around 17.9°C (mean 22.8°C) — warmer than Pakyong's yearly average — with higher rainfall (144 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 25.2°C | 21.4°C | 17.5°C | 28.2°C | 14.8°C | 342 mm | 80% | 0.8 m/s | 3.9 |
| 2024 | 27.9°C | 23.3°C | 18.6°C | 32.3°C | 15.3°C | 200 mm | 64% | 1 m/s | 4.2 |
| 2023 | 26.4°C | 21.6°C | 16.8°C | 30.1°C | 14.4°C | 176 mm | 66% | 1 m/s | 4.3 |
| 2022 | 25.4°C | 21.6°C | 17.8°C | 26.6°C | 16.3°C | 320 mm | 82% | 0.9 m/s | 4 |
| 2021 | 25.3°C | 21.4°C | 17.5°C | 30.7°C | 15.2°C | 283 mm | 77% | 1 m/s | 3.8 |
| 2020 | 25.1°C | 21.1°C | 17.2°C | 26.9°C | 14.2°C | 264 mm | 78% | 0.9 m/s | 4.1 |
| 2019 | 26.9°C | 22.3°C | 17.7°C | 28.4°C | 15.7°C | 211 mm | 68% | 1 m/s | 4.5 |
| 2018 ❄️ | 24.7°C | 21.1°C | 17.6°C | 27.7°C | 15.4°C | 265 mm | 82% | 0.9 m/s | 4.2 |
| 2017 | 26.0°C | 22.2°C | 18.4°C | 27.8°C | 15.8°C | 251 mm | 77% | 0.9 m/s | 4.2 |
| 2016 | 26.5°C | 22.4°C | 18.4°C | 28.8°C | 16.8°C | 271 mm | 73% | 1 m/s | 4.2 |
| 2015 | 27.5°C | 23.1°C | 18.6°C | 30.9°C | 16.4°C | 140 mm | 70% | 1.1 m/s | 4.6 |
| 2014 | 28.4°C | 23.5°C | 18.6°C | 32.7°C | 16.3°C | 229 mm | 59% | 1 m/s | 4.6 |
| 2013 | 28.0°C | 22.8°C | 17.7°C | 31.8°C | 14.9°C | 232 mm | 62% | 1 m/s | 4.4 |
| 2012 | 28.7°C | 23.6°C | 18.6°C | 32.6°C | 14.5°C | 116 mm | 59% | 1 m/s | 5.1 |
| 2011 | 27.4°C | 22.6°C | 17.9°C | 30.4°C | 16.1°C | 142 mm | 71% | 1 m/s | 4.5 |
| 2010 | 27.3°C | 22.8°C | 18.2°C | 31.5°C | 16.4°C | 216 mm | 69% | 1 m/s | 4.8 |
| 2009 | 27.3°C | 22.5°C | 17.7°C | 30.4°C | 15.3°C | 253 mm | 67% | 1.1 m/s | 4.6 |
| 2008 | 28.2°C | 23.0°C | 17.8°C | 30.6°C | 15.7°C | 85 mm | 64% | 1 m/s | 4.5 |
| 2007 | 28.6°C | 23.5°C | 18.5°C | 32.1°C | 16.7°C | 156 mm | 63% | 0.9 m/s | 5.3 |
| 2006 | 28.3°C | 23.4°C | 18.5°C | 31.1°C | 16.1°C | 84 mm | 66% | 1.1 m/s | 4.5 |
| 2005 | 27.6°C | 22.4°C | 17.1°C | 31.6°C | 14.1°C | 80 mm | 61% | 1 m/s | 4.6 |
| 2004 | 28.6°C | 23.5°C | 18.3°C | 31.2°C | 15.1°C | 73 mm | 61% | 1.1 m/s | 4.2 |
| 2003 | 28.3°C | 22.9°C | 17.6°C | 31.2°C | 15.4°C | 53 mm | 58% | 1 m/s | 4.8 |
| 2002 | 27.3°C | 22.6°C | 17.8°C | 31.5°C | 13.7°C | 96 mm | 69% | 1 m/s | 5.1 |
| 2001 | 27.5°C | 22.9°C | 18.3°C | 29.6°C | 15.2°C | 103 mm | 72% | 1 m/s | 4.8 |
| 2000 | 27.4°C | 23.0°C | 18.5°C | 30.7°C | 15.6°C | 92 mm | 72% | 1.1 m/s | 4.3 |
| 1999 | 28.1°C | 23.3°C | 18.5°C | 30.9°C | 15.2°C | 158 mm | 68% | 1.1 m/s | 5.1 |
| 1998 | 28.6°C | 23.7°C | 18.8°C | 32.5°C | 15.2°C | 66 mm | 64% | 1 m/s | 5.6 |
| 1997 | 29.2°C | 23.1°C | 17.1°C | 32.4°C | 14.8°C | 53 mm | 47% | 1.2 m/s | 5.5 |
| 1996 | 29.4°C | 23.8°C | 18.3°C | 31.4°C | 15.8°C | 77 mm | 53% | 1.1 m/s | 5.9 |
| 1995 🔥 | 31.0°C | 25.0°C | 19.1°C | 33.7°C | 15.9°C | 52 mm | 47% | 1.2 m/s | 5.8 |
| 1994 | 30.2°C | 24.3°C | 18.4°C | 34.2°C | 16.1°C | 43 mm | 49% | 1.2 m/s | 5.3 |
| 1993 | 28.4°C | 23.2°C | 18.1°C | 30.9°C | 15.5°C | 53 mm | 58% | 1.1 m/s | 5.4 |
| 1992 | 27.4°C | 22.0°C | 16.6°C | 31.1°C | 13.9°C | 97 mm | 55% | 1 m/s | 5.4 |
| 1991 | 29.6°C | 24.2°C | 18.7°C | 32.3°C | 17.0°C | 34 mm | 51% | 1.2 m/s | 5.3 |
| 1990 | 28.2°C | 23.2°C | 18.2°C | 30.8°C | 15.6°C | 80 mm | 64% | 1.1 m/s | 5.4 |
| 1989 | 29.3°C | 23.9°C | 18.4°C | 33.7°C | 15.8°C | 215 mm | 54% | 1.2 m/s | 5.6 |
| 1988 | 29.2°C | 23.7°C | 18.1°C | 31.7°C | 16.0°C | 82 mm | 59% | 1.1 m/s | 5.6 |
| 1987 | 28.5°C | 22.8°C | 17.1°C | 31.6°C | 13.8°C | 63 mm | 49% | 1.1 m/s | 5.7 |
| 1986 | 28.3°C | 22.3°C | 16.2°C | 31.6°C | 14.7°C | 64 mm | 51% | 1.1 m/s | 5.4 |
| 1985 | 28.4°C | 23.0°C | 17.6°C | 31.8°C | 14.6°C | 73 mm | 57% | 1.1 m/s | 5.3 |
| 1984 | 27.1°C | 22.5°C | 17.8°C | 30.3°C | 14.7°C | 116 mm | 67% | 1.1 m/s | 5.7 |
| 1983 | 27.2°C | 22.0°C | 16.8°C | 31.2°C | 15.2°C | 117 mm | 62% | 1 m/s | — |
| 1982 | 28.6°C | 23.2°C | 17.9°C | 31.2°C | 14.8°C | 46 mm | 55% | 1 m/s | — |
| 1981 | 25.8°C | 21.7°C | 17.6°C | 27.7°C | 15.8°C | 248 mm | 75% | 1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 27.7°C with lows near 17.9°C (mean 22.8°C), based on 45 years of NASA POWER data.
May averages 144 mm of rainfall in Pakyong, a relatively wet time of year. The wettest on record was 342 mm in 2025.
The hottest May reached 34.2°C in 1994. The coldest dipped to 13.7°C in 2002.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.6°C — but days and nights have moved in opposite directions. Overnight lows rose from 17.5°C to 17.6°C while daytime highs eased from 27.4°C to 26°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Pakyong and a relatively wet time of year, so plan for around 27.7°C daytime highs and 17.9°C at night.
Not quite — May is the 9th coolest month in Pakyong, averaging 22.8°C.
For May in Pakyong, pack light layers you can adjust through the day, with typical highs of 27.7°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 64% — moderately humid.
Average wind speed in May is 1 m/s. The windiest May on record averaged 1.2 m/s (1989).
The wettest May on record was 2025 with 342 mm. On average, May sees 144 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 Pakyong 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.
