May is one of the cooler months of the year in Mosgiel, with average highs near 11.6°C and lows around 8.3°C (mean 10°C). It is about average for rainfall, averaging 62 mm of rainfall and 84% relative humidity across the period.
May is one of the cooler months of the year in Mosgiel. Across 45 years of records, the warmest May in Mosgiel was 2023 — when the month averaged 11.7°C — while the coldest was 1992 at 7.9°C. Typical May days reach 11.6°C with nights near 8.3°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Mosgiel, averaging 62 mm of rainfall. The wettest May on record was 2010 with 170 mm, while the driest was 2020 at 10 mm.
Relative humidity in Mosgiel during May averages 84%. The most humid May was 2001 at 87%, and the least humid was 1999 at 81%.
May receives about 1.6 kWh/m²/day of solar energy in Mosgiel. The sunniest May was 2021 at 1.8 kWh/m²/day, and the cloudiest were 2001, 2002 and 2011, among others at 1.4.
Average wind speed in Mosgiel during May is 5.4 m/s. The windiest May was 2002 at 7.3 m/s, while the calmest were 2005 and 2020 at 4.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.4°C | 9.8°C | 9.7°C | 10.3°C | 10.7°C | +1.3°C |
| Avg High | 11.0°C | 11.5°C | 11.3°C | 12.0°C | 12.5°C | +1.5°C |
| Avg Low | 7.8°C | 8.1°C | 8.1°C | 8.5°C | 9.0°C | +1.2°C |
| Avg Rain | 75 mm | 51 mm | 70 mm | 71 mm | 34 mm | -41 mm |
May temperatures in Mosgiel have risen by about 1.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 2.8°C (1988) to a record high of 20.1°C (2016).
Rainfall in May is about average for rainfall, averaging 62 mm, with a wettest year of 170 mm.
A good time to visit Mosgiel
May is a good time to visit Mosgiel, with days averaging 11.6°C and nights around 8.3°C (mean 10°C, close to Mosgiel's yearly average) and moderate rainfall. February and January 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 | 13.2°C | 11.2°C | 9.3°C | 17.0°C | 6.6°C | 38 mm | 83% | 5.3 m/s | 1.6 |
| 2024 | 10.3°C | 8.9°C | 7.5°C | 13.5°C | 5.3°C | 26 mm | 83% | 5.7 m/s | 1.6 |
| 2023 🔥 | 13.5°C | 11.7°C | 10.0°C | 19.1°C | 7.3°C | 47 mm | 86% | 4.5 m/s | 1.5 |
| 2022 | 13.3°C | 11.5°C | 9.7°C | 16.9°C | 6.7°C | 29 mm | 83% | 4.8 m/s | 1.7 |
| 2021 | 12.5°C | 10.4°C | 8.4°C | 17.2°C | 5.7°C | 53 mm | 82% | 4.9 m/s | 1.8 |
| 2020 | 12.4°C | 10.6°C | 8.8°C | 15.9°C | 6.5°C | 10 mm | 85% | 4.2 m/s | 1.6 |
| 2019 | 13.4°C | 11.6°C | 9.8°C | 16.9°C | 6.7°C | 57 mm | 84% | 5.1 m/s | 1.5 |
| 2018 | 11.5°C | 9.8°C | 8.1°C | 16.7°C | 5.4°C | 36 mm | 82% | 5.4 m/s | 1.7 |
| 2017 | 11.5°C | 9.8°C | 8.1°C | 13.8°C | 4.9°C | 39 mm | 86% | 4.9 m/s | 1.7 |
| 2016 | 13.0°C | 11.1°C | 9.3°C | 20.1°C | 6.0°C | 105 mm | 82% | 5.4 m/s | 1.5 |
| 2015 | 12.0°C | 10.1°C | 8.1°C | 17.4°C | 4.2°C | 40 mm | 81% | 5.9 m/s | 1.7 |
| 2014 | 12.3°C | 10.3°C | 8.4°C | 15.4°C | 4.6°C | 78 mm | 84% | 5.1 m/s | 1.6 |
| 2013 | 12.0°C | 10.2°C | 8.4°C | 15.9°C | 4.4°C | 80 mm | 84% | 5.4 m/s | 1.5 |
| 2012 | 11.5°C | 9.8°C | 8.1°C | 14.8°C | 5.6°C | 33 mm | 83% | 5.3 m/s | 1.6 |
| 2011 | 11.8°C | 10.3°C | 8.8°C | 15.5°C | 6.0°C | 68 mm | 86% | 5.4 m/s | 1.4 |
| 2010 🌧️ | 11.2°C | 9.7°C | 8.3°C | 15.9°C | 6.3°C | 170 mm | 86% | 4.8 m/s | 1.5 |
| 2009 | 9.9°C | 8.5°C | 7.1°C | 14.0°C | 5.2°C | 140 mm | 84% | 5.7 m/s | 1.5 |
| 2008 | 10.3°C | 8.8°C | 7.4°C | 13.2°C | 5.9°C | 58 mm | 86% | 4.6 m/s | 1.6 |
| 2007 | 12.7°C | 10.8°C | 8.9°C | 16.9°C | 6.8°C | 21 mm | 82% | 5.9 m/s | 1.7 |
| 2006 | 11.1°C | 9.9°C | 8.6°C | 13.6°C | 6.0°C | 67 mm | 86% | 5 m/s | 1.5 |
| 2005 | 11.4°C | 9.6°C | 7.8°C | 15.0°C | 5.3°C | 75 mm | 83% | 4.2 m/s | 1.7 |
| 2004 | 11.1°C | 9.6°C | 8.1°C | 15.8°C | 6.6°C | 95 mm | 86% | 5.1 m/s | 1.5 |
| 2003 | 11.5°C | 9.8°C | 8.1°C | 16.7°C | 5.7°C | 98 mm | 83% | 5.8 m/s | 1.6 |
| 2002 | 11.6°C | 10.0°C | 8.4°C | 16.5°C | 3.0°C | 44 mm | 84% | 7.3 m/s | 1.4 |
| 2001 | 11.0°C | 9.6°C | 8.2°C | 16.5°C | 3.9°C | 60 mm | 87% | 6 m/s | 1.4 |
| 2000 | 12.4°C | 10.4°C | 8.5°C | 17.2°C | 6.4°C | 40 mm | 84% | 4.8 m/s | 1.5 |
| 1999 | 13.4°C | 11.5°C | 9.5°C | 16.3°C | 6.9°C | 25 mm | 81% | 4.9 m/s | 1.5 |
| 1998 | 11.3°C | 9.7°C | 8.2°C | 13.6°C | 4.7°C | 57 mm | 86% | 5.8 m/s | 1.5 |
| 1997 | 11.5°C | 9.9°C | 8.4°C | 16.3°C | 5.5°C | 45 mm | 86% | 4.5 m/s | 1.4 |
| 1996 | 11.8°C | 9.9°C | 7.9°C | 16.2°C | 4.8°C | 46 mm | 82% | 5.8 m/s | 1.6 |
| 1995 | 12.0°C | 10.4°C | 8.8°C | 16.3°C | 6.3°C | 44 mm | 84% | 5.4 m/s | 1.7 |
| 1994 | 11.1°C | 9.5°C | 7.9°C | 15.0°C | 5.3°C | 62 mm | 84% | 5.7 m/s | 1.6 |
| 1993 | 11.5°C | 9.7°C | 8.0°C | 14.2°C | 5.8°C | 79 mm | 85% | 5.4 m/s | 1.6 |
| 1992 ❄️ | 9.4°C | 7.9°C | 6.4°C | 12.7°C | 3.7°C | 55 mm | 82% | 6.1 m/s | 1.6 |
| 1991 | 11.4°C | 9.8°C | 8.2°C | 13.7°C | 5.8°C | 32 mm | 85% | 6.3 m/s | 1.7 |
| 1990 | 11.7°C | 9.9°C | 8.1°C | 14.4°C | 6.1°C | 62 mm | 82% | 6.3 m/s | 1.6 |
| 1989 | 11.0°C | 9.5°C | 8.0°C | 15.1°C | 5.4°C | 47 mm | 86% | 5.1 m/s | 1.5 |
| 1988 | 9.8°C | 8.0°C | 6.2°C | 14.7°C | 2.8°C | 60 mm | 82% | 6.1 m/s | 1.5 |
| 1987 | 11.6°C | 10.0°C | 8.4°C | 14.2°C | 6.6°C | 88 mm | 85% | 5.3 m/s | 1.5 |
| 1986 | 11.5°C | 9.9°C | 8.3°C | 14.8°C | 5.6°C | 69 mm | 82% | 5.6 m/s | 1.7 |
| 1985 | 11.4°C | 9.8°C | 8.3°C | 15.4°C | 6.2°C | 56 mm | 83% | 4.4 m/s | 1.7 |
| 1984 | 10.5°C | 9.0°C | 7.4°C | 15.1°C | 4.9°C | 97 mm | 82% | 6.1 m/s | 1.6 |
| 1983 | 10.3°C | 8.5°C | 6.7°C | 15.4°C | 4.2°C | 109 mm | 84% | 6.2 m/s | — |
| 1982 | 11.7°C | 10.1°C | 8.5°C | 14.8°C | 5.3°C | 116 mm | 82% | 6.3 m/s | — |
| 1981 | 11.5°C | 9.8°C | 8.2°C | 15.7°C | 5.9°C | 32 mm | 83% | 4.3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 11.6°C with lows near 8.3°C (mean 10°C), based on 45 years of NASA POWER data.
May averages 62 mm of rainfall in Mosgiel, about average for rainfall. The wettest on record was 170 mm in 2010.
The hottest May reached 20.1°C in 2016. The coldest dipped to 2.8°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.3°C. Daytime highs moved from 11.1°C to 12.6°C and overnight lows from 7.8°C to 9°C over the same span.
May is one of the cooler months of the year in Mosgiel and about average for rainfall, so plan for around 11.6°C daytime highs and 8.3°C at night.
Not quite — May is the 5th coolest month in Mosgiel, averaging 10°C.
For May in Mosgiel, pack light layers you can adjust through the day, with typical highs of 11.6°C and lows of 8.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 84% — quite humid.
Average wind speed in May is 5.4 m/s. The windiest May on record averaged 7.3 m/s (2002).
The wettest May on record was 2010 with 170 mm. On average, May sees 62 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 Mosgiel 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.
