May is one of the warmer months of the year in Morena, with average highs near 47°C and lows around 23.7°C (mean 35.4°C). It is one of the drier months, averaging 21 mm of rainfall and 21% relative humidity across the period.
May is one of the warmer months of the year in Morena. Across 45 years of records, the warmest May in Morena was 2001 — when the month averaged 37.6°C — while the coldest was 1987 at 32.4°C. Typical May days reach 47°C with nights near 23.7°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 34.6°C | 35.6°C | 35.5°C | 35.9°C | 34.9°C | +0.3°C |
| Avg High | 46.8°C | 47.3°C | 46.7°C | 47.4°C | 46.9°C | +0.1°C |
| Avg Low | 22.4°C | 24.0°C | 24.3°C | 24.4°C | 23.0°C | +0.6°C |
| Avg Rain | 26 mm | 18 mm | 19 mm | 15 mm | 28 mm | +2 mm |
May temperatures in Morena have stayed relatively stable across the record.
May has ranged from a record low of 19.1°C (2003) to a record high of 49.6°C (2024).
Rainfall in May is one of the drier months, averaging 21 mm, with a wettest year of 137 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A quieter season to visit Morena
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Morena. That said, May — with days averaging 47°C and nights around 23.7°C (mean 35.4°C) and low rainfall (21 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 46.7°C | 25.5°C | 36.1°C | 21 mm | 31% | 2.4 m/s | 6.1 |
| 2024 | 49.6°C | 20.6°C | 35.1°C | 2 mm | 19% | 2.6 m/s | 6.8 |
| 2023 | 46.3°C | 20.7°C | 33.5°C | 56 mm | 32% | 2.4 m/s | 6.7 |
| 2022 | 48.5°C | 24.1°C | 36.3°C | 10 mm | 21% | 2.5 m/s | 6.4 |
| 2021 | 43.2°C | 22.6°C | 32.9°C | 53 mm | 34% | 2.7 m/s | 6 |
| 2020 | 47.2°C | 24.2°C | 35.7°C | 28 mm | 24% | 2.5 m/s | 6.9 |
| 2019 | 47.8°C | 24.2°C | 36.0°C | 9 mm | 20% | 2.6 m/s | 7.1 |
| 2018 | 47.2°C | 24.7°C | 35.9°C | 23 mm | 21% | 1.9 m/s | 6.6 |
| 2017 | 47.3°C | 23.0°C | 35.2°C | 20 mm | 21% | 2.4 m/s | 6.7 |
| 2016 | 47.6°C | 25.1°C | 36.4°C | 29 mm | 24% | 2.5 m/s | 6.7 |
| 2015 | 46.7°C | 23.7°C | 35.2°C | 25 mm | 22% | 2.5 m/s | 7.3 |
| 2014 | 47.7°C | 25.0°C | 36.3°C | 10 mm | 22% | 2.5 m/s | 7.3 |
| 2013 | 47.6°C | 23.4°C | 35.5°C | 3 mm | 15% | 3.3 m/s | 7.4 |
| 2012 | 47.6°C | 22.2°C | 34.9°C | 7 mm | 17% | 2.9 m/s | 7.2 |
| 2011 | 46.6°C | 26.3°C | 36.5°C | 21 mm | 23% | 2.8 m/s | 7 |
| 2010 | 47.9°C | 26.8°C | 37.3°C | 7 mm | 16% | 2.4 m/s | 6.8 |
| 2009 | 46.5°C | 25.8°C | 36.2°C | 9 mm | 20% | 2.4 m/s | 6.9 |
| 2008 | 45.0°C | 25.9°C | 35.5°C | 25 mm | 28% | 3 m/s | 6.6 |
| 2007 | 46.0°C | 26.7°C | 36.4°C | 18 mm | 23% | 2.4 m/s | 6.7 |
| 2006 | 47.2°C | 27.0°C | 37.1°C | 13 mm | 23% | 2.4 m/s | 6.5 |
| 2005 | 45.4°C | 20.9°C | 33.1°C | 32 mm | 21% | 2.4 m/s | 7.2 |
| 2004 | 47.3°C | 20.9°C | 34.1°C | 8 mm | 23% | 3.1 m/s | 6.5 |
| 2003 | 46.2°C | 19.1°C | 32.6°C | 10 mm | 14% | 2.7 m/s | 6.8 |
| 2002 | 48.0°C | 25.1°C | 36.6°C | 26 mm | 17% | 3.3 m/s | 6.9 |
| 2001 🔥 | 48.2°C | 26.9°C | 37.6°C | 35 mm | 27% | 3 m/s | 6.8 |
| 2000 | 46.8°C | 24.7°C | 35.8°C | 17 mm | 25% | 3.5 m/s | 6.9 |
| 1999 | 46.9°C | 25.6°C | 36.2°C | 11 mm | 19% | 3.1 m/s | 6.9 |
| 1998 | 49.0°C | 25.2°C | 37.1°C | 8 mm | 18% | 2.6 m/s | 7.5 |
| 1997 | 45.5°C | 21.2°C | 33.4°C | 95 mm | 22% | 2.7 m/s | 6.8 |
| 1996 | 46.9°C | 23.1°C | 35.0°C | 7 mm | 18% | 3.1 m/s | 6.9 |
| 1995 | 47.1°C | 24.8°C | 35.9°C | 1 mm | 15% | 2.8 m/s | 6.6 |
| 1994 | 49.0°C | 23.9°C | 36.4°C | 3 mm | 15% | 2.6 m/s | 7.2 |
| 1993 | 47.6°C | 24.2°C | 35.9°C | 3 mm | 14% | 2.9 m/s | 7 |
| 1992 | 46.9°C | 23.5°C | 35.2°C | 3 mm | 16% | 2.8 m/s | 6.8 |
| 1991 | 47.2°C | 24.8°C | 36.0°C | 0 mm | 15% | 2.9 m/s | 7 |
| 1990 | 46.8°C | 23.5°C | 35.2°C | 51 mm | 28% | 2.7 m/s | 6.5 |
| 1989 | 48.0°C | 21.6°C | 34.8°C | 2 mm | 12% | 2.7 m/s | 7.2 |
| 1988 | 48.2°C | 25.1°C | 36.7°C | 10 mm | 15% | 2.8 m/s | 6.9 |
| 1987 ❄️ 🌧️ | 43.7°C | 21.1°C | 32.4°C | 137 mm | 36% | 2.1 m/s | 6.8 |
| 1986 | 46.7°C | 20.6°C | 33.6°C | 7 mm | 16% | 2.3 m/s | 7 |
| 1985 | 47.5°C | 23.8°C | 35.6°C | 2 mm | 13% | 2.7 m/s | 7.3 |
| 1984 | 49.4°C | 20.4°C | 34.9°C | 0 mm | 13% | 3.4 m/s | 7.1 |
| 1983 | 44.9°C | 22.9°C | 33.9°C | 35 mm | 26% | 2.2 m/s | — |
| 1982 | 45.6°C | 21.1°C | 33.4°C | 20 mm | 31% | 2.7 m/s | — |
| 1981 | 47.2°C | 25.1°C | 36.2°C | 21 mm | 20% | 2.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 47°C with lows near 23.7°C (mean 35.4°C), based on 45 years of NASA POWER data.
May averages 21 mm of rainfall in Morena, one of the drier months. The wettest on record was 137 mm in 1987.
The hottest May reached 49.6°C in 2024. The coldest dipped to 19.1°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have held steady by about 0°C. Daytime highs moved from 46.9°C to 46.9°C and overnight lows from 22.7°C to 22.7°C over the same span.
May is one of the warmer months of the year in Morena and one of the drier months, so plan for around 47°C daytime highs and 23.7°C at night.
Not quite — May is the 11th coolest month in Morena, averaging 35.4°C.
For May in Morena, pack light, breathable clothing and sun protection, with typical highs of 47°C and lows of 23.7°C.
Relative humidity in May averages 21% — relatively dry.
Average wind speed in May is 2.7 m/s. The windiest May on record averaged 3.5 m/s (2000).
The wettest May on record was 1987 with 137 mm. On average, May sees 21 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 Morena 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.
