May is one of the warmer months of the year in Morena, with average highs near 43.6°C and lows around 28.2°C (mean 35.9°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 1988 — when the month averaged 37.7°C — while the coldest was 1987 at 32.5°C. Typical May days reach 43.6°C with nights near 28.2°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Morena, averaging 21 mm of rainfall. The wettest May on record was 1987 with 137 mm, while the driest were 1984 and 1991 at 0 mm.
Relative humidity in Morena during May averages 21%. The most humid May was 1987 at 36%, and the least humid was 1989 at 12%.
May receives about 6.9 kWh/m²/day of solar energy in Morena. The sunniest May was 1998 at 7.5 kWh/m²/day, and the cloudiest was 2021 at 6.
Average wind speed in Morena during May is 2.7 m/s. The windiest May was 2000 at 3.5 m/s, while the calmest was 2018 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 35.5°C | 36.0°C | 36.2°C | 36.3°C | 35.1°C | -0.4°C |
| Avg High | 43.6°C | 44.0°C | 43.7°C | 43.9°C | 42.2°C | -1.4°C |
| Avg Low | 27.4°C | 28.1°C | 28.7°C | 28.7°C | 28.0°C | +0.6°C |
| Avg Rain | 26 mm | 18 mm | 19 mm | 15 mm | 28 mm | +2 mm |
May temperatures in Morena have fallen by about 0.7°C between 1981–1985 and 2021–2025.
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 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 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 43.6°C and nights around 28.2°C (mean 35.9°C) and low rainfall (21 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 | 41.6°C | 35.0°C | 28.5°C | 46.7°C | 25.5°C | 21 mm | 31% | 2.4 m/s | 6.1 |
| 2024 | 44.5°C | 36.9°C | 29.4°C | 49.6°C | 20.6°C | 2 mm | 19% | 2.6 m/s | 6.8 |
| 2023 | 40.2°C | 33.2°C | 26.3°C | 46.3°C | 20.7°C | 56 mm | 32% | 2.4 m/s | 6.7 |
| 2022 | 44.3°C | 36.8°C | 29.3°C | 48.5°C | 24.1°C | 10 mm | 21% | 2.5 m/s | 6.4 |
| 2021 | 39.8°C | 33.1°C | 26.5°C | 43.2°C | 22.6°C | 53 mm | 34% | 2.7 m/s | 6 |
| 2020 | 43.0°C | 35.4°C | 27.9°C | 47.2°C | 24.2°C | 28 mm | 24% | 2.5 m/s | 6.9 |
| 2019 | 43.4°C | 35.9°C | 28.4°C | 47.8°C | 24.2°C | 9 mm | 20% | 2.6 m/s | 7.1 |
| 2018 | 44.0°C | 36.2°C | 28.4°C | 47.2°C | 24.7°C | 23 mm | 21% | 1.9 m/s | 6.6 |
| 2017 | 44.4°C | 37.2°C | 30.0°C | 47.3°C | 23.0°C | 20 mm | 21% | 2.4 m/s | 6.7 |
| 2016 | 43.7°C | 36.8°C | 29.9°C | 47.6°C | 25.1°C | 29 mm | 24% | 2.5 m/s | 6.7 |
| 2015 | 43.5°C | 35.3°C | 27.1°C | 46.7°C | 23.7°C | 25 mm | 22% | 2.5 m/s | 7.3 |
| 2014 | 42.9°C | 35.4°C | 27.9°C | 47.7°C | 25.0°C | 10 mm | 22% | 2.5 m/s | 7.3 |
| 2013 | 44.6°C | 36.4°C | 28.3°C | 47.6°C | 23.4°C | 3 mm | 15% | 3.3 m/s | 7.4 |
| 2012 | 43.7°C | 35.9°C | 28.0°C | 47.6°C | 22.2°C | 7 mm | 17% | 2.9 m/s | 7.2 |
| 2011 | 44.3°C | 37.0°C | 29.6°C | 46.6°C | 26.3°C | 21 mm | 23% | 2.8 m/s | 7 |
| 2010 | 44.9°C | 37.2°C | 29.5°C | 47.9°C | 26.8°C | 7 mm | 16% | 2.4 m/s | 6.8 |
| 2009 | 44.0°C | 36.7°C | 29.4°C | 46.5°C | 25.8°C | 9 mm | 20% | 2.4 m/s | 6.9 |
| 2008 | 42.2°C | 35.1°C | 28.1°C | 45.0°C | 25.9°C | 25 mm | 28% | 3 m/s | 6.6 |
| 2007 | 43.6°C | 36.2°C | 28.8°C | 46.0°C | 26.7°C | 18 mm | 23% | 2.4 m/s | 6.7 |
| 2006 | 44.4°C | 37.2°C | 30.0°C | 47.2°C | 27.0°C | 13 mm | 23% | 2.4 m/s | 6.5 |
| 2005 | 42.4°C | 34.6°C | 26.8°C | 45.4°C | 20.9°C | 32 mm | 21% | 2.4 m/s | 7.2 |
| 2004 | 43.6°C | 36.2°C | 28.9°C | 47.3°C | 20.9°C | 8 mm | 23% | 3.1 m/s | 6.5 |
| 2003 | 43.4°C | 35.1°C | 26.7°C | 46.2°C | 19.1°C | 10 mm | 14% | 2.7 m/s | 6.8 |
| 2002 | 45.8°C | 37.5°C | 29.2°C | 48.0°C | 25.1°C | 26 mm | 17% | 3.3 m/s | 6.9 |
| 2001 | 44.0°C | 36.7°C | 29.5°C | 48.2°C | 26.9°C | 35 mm | 27% | 3 m/s | 6.8 |
| 2000 | 44.1°C | 36.8°C | 29.5°C | 46.8°C | 24.7°C | 17 mm | 25% | 3.5 m/s | 6.9 |
| 1999 | 43.9°C | 36.2°C | 28.6°C | 46.9°C | 25.6°C | 11 mm | 19% | 3.1 m/s | 6.9 |
| 1998 | 45.0°C | 36.9°C | 28.7°C | 49.0°C | 25.2°C | 8 mm | 18% | 2.6 m/s | 7.5 |
| 1997 | 41.5°C | 33.7°C | 26.0°C | 45.5°C | 21.2°C | 95 mm | 22% | 2.7 m/s | 6.8 |
| 1996 | 43.5°C | 35.6°C | 27.8°C | 46.9°C | 23.1°C | 7 mm | 18% | 3.1 m/s | 6.9 |
| 1995 | 44.1°C | 36.1°C | 28.0°C | 47.1°C | 24.8°C | 1 mm | 15% | 2.8 m/s | 6.6 |
| 1994 | 45.1°C | 36.9°C | 28.7°C | 49.0°C | 23.9°C | 3 mm | 15% | 2.6 m/s | 7.2 |
| 1993 | 45.2°C | 37.0°C | 28.7°C | 47.6°C | 24.2°C | 3 mm | 14% | 2.9 m/s | 7 |
| 1992 | 43.4°C | 35.3°C | 27.2°C | 46.9°C | 23.5°C | 3 mm | 16% | 2.8 m/s | 6.8 |
| 1991 | 45.1°C | 36.8°C | 28.6°C | 47.2°C | 24.8°C | 0 mm | 15% | 2.9 m/s | 7 |
| 1990 | 42.9°C | 35.6°C | 28.3°C | 46.8°C | 23.5°C | 51 mm | 28% | 2.7 m/s | 6.5 |
| 1989 | 44.7°C | 35.9°C | 27.1°C | 48.0°C | 21.6°C | 2 mm | 12% | 2.7 m/s | 7.2 |
| 1988 🔥 | 46.1°C | 37.7°C | 29.2°C | 48.2°C | 25.1°C | 10 mm | 15% | 2.8 m/s | 6.9 |
| 1987 ❄️ 🌧️ | 39.7°C | 32.5°C | 25.3°C | 43.7°C | 21.1°C | 137 mm | 36% | 2.1 m/s | 6.8 |
| 1986 | 43.5°C | 35.3°C | 27.0°C | 46.7°C | 20.6°C | 7 mm | 16% | 2.3 m/s | 7 |
| 1985 | 44.9°C | 36.5°C | 28.2°C | 47.5°C | 23.8°C | 2 mm | 13% | 2.7 m/s | 7.3 |
| 1984 | 46.1°C | 37.2°C | 28.3°C | 49.4°C | 20.4°C | 0 mm | 13% | 3.4 m/s | 7.1 |
| 1983 | 42.4°C | 34.8°C | 27.2°C | 44.9°C | 22.9°C | 35 mm | 26% | 2.2 m/s | — |
| 1982 | 40.8°C | 33.4°C | 25.9°C | 45.6°C | 21.1°C | 20 mm | 31% | 2.7 m/s | — |
| 1981 | 44.3°C | 36.4°C | 28.4°C | 47.2°C | 25.1°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 43.6°C with lows near 28.2°C (mean 35.9°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 fallen by about 0.7°C — but days and nights have moved in opposite directions. Overnight lows rose from 27.6°C to 28°C while daytime highs eased from 43.7°C to 42.1°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Morena and one of the drier months, so plan for around 43.6°C daytime highs and 28.2°C at night.
Not quite — May is the 11th coolest month in Morena, averaging 35.9°C.
For May in Morena, pack light, breathable clothing and sun protection, with typical highs of 43.6°C and lows of 28.2°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.
