May is one of the cooler months of the year in Pannawonica, with average highs near 31.8°C and lows around 17.5°C (mean 24.7°C). It is about average for rainfall, averaging 33 mm of rainfall and 44% relative humidity across the period.
May is one of the cooler months of the year in Pannawonica. Across 45 years of records, the warmest May in Pannawonica was 1998 — when the month averaged 27.5°C — while the coldest was 2000 at 20.6°C. Typical May days reach 31.8°C with nights near 17.5°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Pannawonica, averaging 33 mm of rainfall. The wettest May on record was 2022 with 175 mm, while the driest were 2017, 2019 and 2023, among others at 0 mm.
Relative humidity in Pannawonica during May averages 44%. The most humid May was 1992 at 61%, and the least humid was 2023 at 28%.
May receives about 4.7 kWh/m²/day of solar energy in Pannawonica. The sunniest Mays were 2012 and 2019 at 5.3 kWh/m²/day, and the cloudiest was 2022 at 3.8.
Average wind speed in Pannawonica during May is 2.8 m/s. The windiest May was 2000 at 3.7 m/s, while the calmest was 1983 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.4°C | 24.9°C | 24.4°C | 24.7°C | 25.3°C | +0.9°C |
| Avg High | 31.4°C | 31.9°C | 31.7°C | 31.9°C | 32.3°C | +0.9°C |
| Avg Low | 17.4°C | 17.9°C | 17.1°C | 17.4°C | 18.2°C | +0.8°C |
| Avg Rain | 46 mm | 28 mm | 12 mm | 34 mm | 54 mm | +8 mm |
May temperatures in Pannawonica have risen by about 0.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 10.8°C (1981) to a record high of 40.6°C (1990).
Rainfall in May is about average for rainfall, averaging 33 mm, with a wettest year of 175 mm.
A good time to visit Pannawonica
May is a good time to visit Pannawonica, with days averaging 31.8°C and nights around 17.5°C (mean 24.7°C, cooler than Pannawonica's yearly average) and moderate rainfall. August and June are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.6°C | 26.0°C | 18.4°C | 38.0°C | 13.7°C | 3 mm | 30% | 3.2 m/s | 4.9 |
| 2024 | 33.4°C | 26.0°C | 18.5°C | 36.7°C | 15.0°C | 3 mm | 34% | 2.8 m/s | 4.9 |
| 2023 | 32.4°C | 25.0°C | 17.6°C | 36.7°C | 12.8°C | 0 mm | 28% | 2.9 m/s | 4.9 |
| 2022 🌧️ | 31.4°C | 25.4°C | 19.5°C | 36.9°C | 13.2°C | 175 mm | 52% | 2.8 m/s | 3.8 |
| 2021 | 31.0°C | 24.4°C | 17.8°C | 37.4°C | 13.5°C | 116 mm | 52% | 2.9 m/s | 4.4 |
| 2020 | 32.1°C | 24.7°C | 17.2°C | 36.6°C | 11.5°C | 25 mm | 32% | 3.1 m/s | 4.9 |
| 2019 | 34.8°C | 26.4°C | 18.1°C | 38.0°C | 13.8°C | 0 mm | 29% | 2.6 m/s | 5.3 |
| 2018 | 33.1°C | 25.5°C | 17.9°C | 38.1°C | 14.1°C | 0 mm | 29% | 3.5 m/s | 5.1 |
| 2017 | 33.8°C | 25.8°C | 17.7°C | 35.9°C | 14.4°C | 0 mm | 36% | 2.3 m/s | 5.2 |
| 2016 | 32.7°C | 25.6°C | 18.4°C | 37.0°C | 13.1°C | 21 mm | 48% | 2.5 m/s | 4.6 |
| 2015 | 28.5°C | 22.4°C | 16.3°C | 34.0°C | 10.8°C | 106 mm | 60% | 3.1 m/s | 4.1 |
| 2014 | 31.3°C | 24.8°C | 18.3°C | 36.0°C | 13.2°C | 93 mm | 57% | 2.3 m/s | 4.3 |
| 2013 | 30.5°C | 23.7°C | 16.9°C | 38.9°C | 11.6°C | 54 mm | 50% | 3.1 m/s | 4.3 |
| 2012 | 33.2°C | 25.1°C | 17.1°C | 37.2°C | 11.6°C | 0 mm | 35% | 2.9 m/s | 5.3 |
| 2011 | 28.6°C | 22.4°C | 16.2°C | 32.4°C | 12.1°C | 47 mm | 57% | 3.5 m/s | 4.2 |
| 2010 | 32.6°C | 24.9°C | 17.2°C | 39.1°C | 12.5°C | 16 mm | 39% | 2.9 m/s | 5 |
| 2009 | 31.2°C | 24.0°C | 16.8°C | 37.6°C | 11.8°C | 1 mm | 36% | 2.9 m/s | 4.8 |
| 2008 | 32.4°C | 24.1°C | 15.8°C | 36.5°C | 12.4°C | 0 mm | 44% | 2.3 m/s | 5.2 |
| 2007 | 33.5°C | 26.0°C | 18.6°C | 36.5°C | 15.4°C | 0 mm | 38% | 2.6 m/s | 5 |
| 2006 | 29.7°C | 22.7°C | 15.6°C | 31.4°C | 12.7°C | 12 mm | 51% | 2.9 m/s | 4.6 |
| 2005 | 32.0°C | 25.1°C | 18.2°C | 36.1°C | 13.7°C | 64 mm | 54% | 2.4 m/s | 4.5 |
| 2004 | 30.5°C | 23.2°C | 15.9°C | 35.5°C | 11.0°C | 3 mm | 43% | 3.2 m/s | 4.9 |
| 2003 | 33.4°C | 26.2°C | 18.9°C | 37.3°C | 12.7°C | 2 mm | 40% | 2.7 m/s | 4.8 |
| 2002 | 33.9°C | 26.8°C | 19.6°C | 38.7°C | 14.1°C | 25 mm | 51% | 2.5 m/s | 4.7 |
| 2001 | 32.7°C | 25.5°C | 18.3°C | 37.3°C | 14.3°C | 7 mm | 38% | 2.6 m/s | 4.4 |
| 2000 ❄️ | 27.7°C | 20.6°C | 13.4°C | 31.4°C | 11.2°C | 2 mm | 51% | 3.7 m/s | 4.8 |
| 1999 | 31.4°C | 24.4°C | 17.5°C | 34.4°C | 13.3°C | 48 mm | 57% | 2.7 m/s | 4.4 |
| 1998 🔥 | 33.9°C | 27.5°C | 21.0°C | 39.7°C | 15.4°C | 95 mm | 55% | 2.6 m/s | 4.1 |
| 1997 | 30.8°C | 24.6°C | 18.4°C | 35.7°C | 14.1°C | 4 mm | 55% | 3 m/s | 4.3 |
| 1996 | 32.4°C | 24.6°C | 16.8°C | 34.9°C | 12.5°C | 0 mm | 44% | 2.5 m/s | 5 |
| 1995 | 30.6°C | 23.5°C | 16.5°C | 33.6°C | 13.1°C | 2 mm | 48% | 3.2 m/s | 4.9 |
| 1994 | 33.6°C | 25.5°C | 17.4°C | 38.1°C | 13.8°C | 0 mm | 31% | 2.8 m/s | 5.2 |
| 1993 | 30.9°C | 24.8°C | 18.7°C | 35.0°C | 14.9°C | 7 mm | 49% | 2.9 m/s | 4.3 |
| 1992 | 29.4°C | 23.4°C | 17.4°C | 33.6°C | 12.2°C | 69 mm | 61% | 2.5 m/s | 3.9 |
| 1991 | 32.6°C | 25.3°C | 18.0°C | 36.9°C | 13.8°C | 56 mm | 48% | 2.5 m/s | 4.7 |
| 1990 | 33.2°C | 25.2°C | 17.1°C | 40.6°C | 12.9°C | 0 mm | 34% | 2.7 m/s | 5.1 |
| 1989 | 31.1°C | 24.0°C | 17.0°C | 34.6°C | 14.0°C | 5 mm | 51% | 2.5 m/s | 5 |
| 1988 | 28.8°C | 22.5°C | 16.1°C | 33.6°C | 11.9°C | 126 mm | 60% | 2.8 m/s | 4 |
| 1987 | 30.9°C | 24.3°C | 17.7°C | 36.4°C | 11.4°C | 15 mm | 33% | 3.2 m/s | 4.5 |
| 1986 | 31.5°C | 23.8°C | 16.1°C | 35.1°C | 12.5°C | 3 mm | 31% | 3 m/s | 5 |
| 1985 | 31.8°C | 24.3°C | 16.8°C | 35.7°C | 13.3°C | 7 mm | 37% | 2.6 m/s | 4.7 |
| 1984 | 31.2°C | 25.3°C | 19.3°C | 37.3°C | 13.2°C | 166 mm | 60% | 2.3 m/s | 4.2 |
| 1983 | 33.7°C | 25.9°C | 18.1°C | 37.0°C | 15.4°C | 0 mm | 38% | 2.2 m/s | — |
| 1982 | 32.0°C | 24.9°C | 17.7°C | 36.7°C | 10.9°C | 69 mm | 50% | 2.7 m/s | — |
| 1981 | 31.8°C | 24.7°C | 17.6°C | 37.5°C | 10.8°C | 20 mm | 39% | 2.7 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 31.8°C with lows near 17.5°C (mean 24.7°C), based on 45 years of NASA POWER data.
May averages 33 mm of rainfall in Pannawonica, about average for rainfall. The wettest on record was 175 mm in 2022.
The hottest May reached 40.6°C in 1990. The coldest dipped to 10.8°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.4°C. Daytime highs moved from 32.1°C to 32.4°C and overnight lows from 17.9°C to 18.4°C over the same span.
May is one of the cooler months of the year in Pannawonica and about average for rainfall, so plan for around 31.8°C daytime highs and 17.5°C at night.
Not quite — May is the 4th coolest month in Pannawonica, averaging 24.7°C.
For May in Pannawonica, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 17.5°C.
Relative humidity in May averages 44% — relatively dry.
Average wind speed in May is 2.8 m/s. The windiest May on record averaged 3.7 m/s (2000).
The wettest May on record was 2022 with 175 mm. On average, May sees 33 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 Pannawonica 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.
