May is one of the cooler months of the year in Theodore, with average highs near 25.1°C and lows around 11.9°C (mean 18.5°C). It is one of the drier months, averaging 33 mm of rainfall and 65% relative humidity across the period.
May is one of the cooler months of the year in Theodore. Across 45 years of records, the warmest May in Theodore was 2007 — when the month averaged 20.9°C — while the coldest was 2011 at 15.7°C. Typical May days reach 25.1°C with nights near 11.9°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Theodore, averaging 33 mm of rainfall. The wettest May on record was 1983 with 188 mm, while the driest was 2004 at 1 mm.
Relative humidity in Theodore during May averages 65%. The most humid May was 1983 at 89%, and the least humid was 2006 at 50%.
May receives about 4.1 kWh/m²/day of solar energy in Theodore. The sunniest May was 2001 at 4.6 kWh/m²/day, and the cloudiest was 2022 at 3.2.
Average wind speed in Theodore during May is 2.3 m/s. The windiest May was 2000 at 2.8 m/s, while the calmest were 2010 and 2016 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.3°C | 18.6°C | 18.7°C | 18.2°C | 18.8°C | +0.5°C |
| Avg High | 24.6°C | 24.9°C | 25.7°C | 24.9°C | 25.5°C | +0.9°C |
| Avg Low | 12.1°C | 12.3°C | 11.7°C | 11.4°C | 12.1°C | 0°C |
| Avg Rain | 55 mm | 43 mm | 19 mm | 24 mm | 23 mm | -32 mm |
May temperatures in Theodore have risen by about 0.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 1.2°C (1987) to a record high of 33.1°C (2003).
Rainfall in May is one of the drier months, averaging 33 mm, with a wettest year of 188 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows fell 0.1°C per decade, widening the gap between day and night.
One of the best times to visit Theodore
May is one of the best times to visit Theodore. Expect days averaging 25.1°C and nights around 11.9°C (mean 18.5°C) — cooler than Theodore's yearly average — with moderate rainfall (33 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 | 26.0°C | 19.8°C | 13.6°C | 30.5°C | 9.7°C | 38 mm | 69% | 2.4 m/s | 3.8 |
| 2024 | 26.4°C | 19.8°C | 13.2°C | 28.4°C | 6.1°C | 4 mm | 65% | 2.6 m/s | 4 |
| 2023 | 24.8°C | 17.0°C | 9.2°C | 28.2°C | 3.7°C | 8 mm | 55% | 2.4 m/s | 4.5 |
| 2022 | 25.0°C | 20.0°C | 14.9°C | 30.5°C | 9.7°C | 73 mm | 76% | 2.6 m/s | 3.2 |
| 2021 | 26.0°C | 18.6°C | 11.2°C | 31.1°C | 4.7°C | 5 mm | 58% | 2.3 m/s | 4.5 |
| 2020 | 24.8°C | 17.8°C | 10.8°C | 29.9°C | 2.9°C | 9 mm | 57% | 2.3 m/s | 4.2 |
| 2019 | 25.8°C | 18.8°C | 11.8°C | 29.4°C | 6.4°C | 3 mm | 61% | 2.4 m/s | 4 |
| 2018 | 26.0°C | 18.8°C | 11.7°C | 30.3°C | 6.5°C | 9 mm | 58% | 2.4 m/s | 4.2 |
| 2017 | 24.9°C | 18.8°C | 12.6°C | 27.1°C | 8.1°C | 38 mm | 73% | 2 m/s | 4 |
| 2016 | 28.1°C | 20.7°C | 13.3°C | 31.8°C | 7.1°C | 10 mm | 53% | 1.9 m/s | 4.3 |
| 2015 | 24.9°C | 17.9°C | 10.9°C | 29.2°C | 3.9°C | 25 mm | 67% | 2.3 m/s | 4.4 |
| 2014 | 25.1°C | 18.6°C | 12.1°C | 28.2°C | 5.4°C | 26 mm | 70% | 2.2 m/s | 4.1 |
| 2013 | 23.9°C | 17.6°C | 11.3°C | 28.9°C | 5.5°C | 43 mm | 71% | 2.3 m/s | 3.8 |
| 2012 | 24.6°C | 17.5°C | 10.4°C | 28.3°C | 3.7°C | 26 mm | 65% | 2.4 m/s | 4.2 |
| 2011 ❄️ | 21.9°C | 15.7°C | 9.4°C | 26.3°C | 3.6°C | 43 mm | 74% | 2.1 m/s | 4.3 |
| 2010 | 24.1°C | 17.3°C | 10.5°C | 28.1°C | 5.4°C | 18 mm | 65% | 1.9 m/s | 4.1 |
| 2009 | 25.0°C | 18.6°C | 12.2°C | 27.4°C | 7.8°C | 15 mm | 63% | 2.1 m/s | 4 |
| 2008 | 25.5°C | 18.2°C | 11.0°C | 28.3°C | 5.9°C | 34 mm | 55% | 2.1 m/s | 4.3 |
| 2007 🔥 | 27.8°C | 20.9°C | 14.0°C | 33.0°C | 8.3°C | 17 mm | 63% | 2.1 m/s | 4.3 |
| 2006 | 25.9°C | 18.4°C | 10.9°C | 28.9°C | 3.1°C | 6 mm | 50% | 2.1 m/s | 4.4 |
| 2005 | 25.1°C | 18.1°C | 11.0°C | 31.1°C | 5.0°C | 49 mm | 62% | 2.4 m/s | 4.2 |
| 2004 | 25.9°C | 18.6°C | 11.2°C | 29.2°C | 4.4°C | 1 mm | 55% | 2.2 m/s | 4.3 |
| 2003 | 26.1°C | 19.1°C | 12.0°C | 33.1°C | 7.3°C | 9 mm | 61% | 2.4 m/s | 4.4 |
| 2002 | 25.9°C | 18.7°C | 11.6°C | 30.4°C | 4.1°C | 24 mm | 53% | 2.3 m/s | 4.1 |
| 2001 | 25.6°C | 18.1°C | 10.6°C | 29.6°C | 5.6°C | 6 mm | 52% | 2.1 m/s | 4.6 |
| 2000 | 24.5°C | 18.4°C | 12.3°C | 29.5°C | 1.9°C | 24 mm | 71% | 2.8 m/s | 3.7 |
| 1999 | 26.8°C | 20.0°C | 13.2°C | 30.0°C | 9.0°C | 6 mm | 64% | 2.6 m/s | 4.1 |
| 1998 | 22.9°C | 17.2°C | 11.5°C | 26.3°C | 3.3°C | 61 mm | 78% | 2 m/s | 4.1 |
| 1997 | 24.5°C | 18.3°C | 12.0°C | 29.5°C | 6.2°C | 53 mm | 68% | 2.2 m/s | 3.9 |
| 1996 | 23.5°C | 17.8°C | 12.1°C | 27.1°C | 6.0°C | 66 mm | 76% | 2.2 m/s | 3.8 |
| 1995 | 25.0°C | 18.8°C | 12.5°C | 30.3°C | 3.8°C | 54 mm | 68% | 2.5 m/s | 3.8 |
| 1994 | 26.0°C | 18.2°C | 10.5°C | 29.0°C | 4.8°C | 11 mm | 54% | 2 m/s | 4.5 |
| 1993 | 26.7°C | 20.0°C | 13.4°C | 30.5°C | 8.6°C | 9 mm | 60% | 2.3 m/s | 4 |
| 1992 | 23.9°C | 18.1°C | 12.3°C | 28.8°C | 5.0°C | 70 mm | 73% | 2.1 m/s | 3.8 |
| 1991 | 26.5°C | 20.1°C | 13.6°C | 30.7°C | 9.4°C | 17 mm | 63% | 2.4 m/s | 4 |
| 1990 | 23.4°C | 17.7°C | 11.9°C | 26.6°C | 7.8°C | 80 mm | 79% | 2 m/s | 3.9 |
| 1989 | 23.3°C | 18.6°C | 13.9°C | 25.4°C | 7.3°C | 63 mm | 84% | 2.4 m/s | 3.5 |
| 1988 | 25.2°C | 18.5°C | 11.9°C | 30.6°C | 5.7°C | 35 mm | 66% | 2.4 m/s | 4 |
| 1987 | 24.8°C | 18.5°C | 12.2°C | 28.9°C | 1.2°C | 50 mm | 69% | 2.1 m/s | 3.9 |
| 1986 | 25.3°C | 18.8°C | 12.3°C | 28.2°C | 5.5°C | 37 mm | 69% | 2.1 m/s | 4 |
| 1985 | 25.6°C | 18.9°C | 12.3°C | 29.7°C | 5.8°C | 12 mm | 63% | 2.6 m/s | 4 |
| 1984 | 25.0°C | 18.2°C | 11.5°C | 28.2°C | 5.3°C | 10 mm | 60% | 2.2 m/s | 4.2 |
| 1983 🌧️ | 21.5°C | 17.1°C | 12.8°C | 23.7°C | 6.7°C | 188 mm | 89% | 2.6 m/s | — |
| 1982 | 25.9°C | 18.5°C | 11.2°C | 28.9°C | 5.6°C | 29 mm | 57% | 2 m/s | — |
| 1981 | 24.4°C | 17.6°C | 10.9°C | 29.4°C | 6.0°C | 74 mm | 66% | 2.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 25.1°C with lows near 11.9°C (mean 18.5°C), based on 45 years of NASA POWER data.
May averages 33 mm of rainfall in Theodore, one of the drier months. The wettest on record was 188 mm in 1983.
The hottest May reached 33.1°C in 2003. The coldest dipped to 1.2°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.9°C. Daytime highs moved from 24.5°C to 25.6°C and overnight lows from 11.7°C to 12.4°C over the same span.
May is one of the cooler months of the year in Theodore and one of the drier months, so plan for around 25.1°C daytime highs and 11.9°C at night.
Not quite — May is the 4th coolest month in Theodore, averaging 18.5°C.
For May in Theodore, pack light layers you can adjust through the day, with typical highs of 25.1°C and lows of 11.9°C.
Relative humidity in May averages 65% — moderately humid.
Average wind speed in May is 2.3 m/s. The windiest May on record averaged 2.8 m/s (2000).
The wettest May on record was 1983 with 188 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 Theodore 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.
