May is one of the warmer months of the year in Labrador City, with average highs near 5.6°C and lows around -2.4°C (mean 1.6°C). It is about average for rainfall, averaging 83 mm of rainfall and 90% relative humidity across the period.
May is one of the warmer months of the year in Labrador City. Across 45 years of records, the warmest May in Labrador City was 2001 — when the month averaged 6.6°C — while the coldest was 2004 at -3.3°C. Typical May days reach 5.6°C with nights near -2.4°C. The long-term trend is warming, about 0.2°C per decade.
May is about average for rainfall in Labrador City, averaging 83 mm of rainfall. The wettest May on record was 2024 with 151 mm, while the driest was 2003 at 25 mm.
Relative humidity in Labrador City during May averages 90%. The most humid May was 2004 at 95%, and the least humid was 2023 at 83%.
May receives about 5.3 kWh/m²/day of solar energy in Labrador City. The sunniest May was 1986 at 6.1 kWh/m²/day, and the cloudiest was 2010 at 4.2.
Average wind speed in Labrador City during May is 3.7 m/s. The windiest May was 1987 at 4.6 m/s, while the calmest was 1995 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 1.5°C | 1.2°C | 2.1°C | 1.0°C | 2.6°C | +1.1°C |
| Avg High | 5.6°C | 5.2°C | 6.1°C | 4.7°C | 7.0°C | +1.4°C |
| Avg Low | -2.6°C | -2.7°C | -1.8°C | -2.8°C | -1.8°C | +0.8°C |
| Avg Rain | 87 mm | 73 mm | 79 mm | 87 mm | 90 mm | +3 mm |
May temperatures in Labrador City have risen by about 2.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -17.3°C (1985) to a record high of 23.6°C (2023).
Rainfall in May is about average for rainfall, averaging 83 mm, with a wettest year of 151 mm.
A good time to visit Labrador City
May is a good time to visit Labrador City, with days averaging 5.6°C and nights around -2.4°C (mean 1.6°C, warmer than Labrador City's yearly average) and higher rainfall. July and August 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 | 8.3°C | 3.4°C | -1.5°C | 20.7°C | -16.3°C | 92 mm | 88% | 4.3 m/s | 5.8 |
| 2024 🌧️ | 8.9°C | 4.4°C | -0.1°C | 15.7°C | -6.9°C | 151 mm | 87% | 3.8 m/s | 4.7 |
| 2023 | 8.6°C | 3.7°C | -1.2°C | 23.6°C | -4.6°C | 51 mm | 83% | 4.5 m/s | 5.6 |
| 2022 | 4.9°C | 0.8°C | -3.2°C | 13.7°C | -12.5°C | 92 mm | 90% | 4 m/s | 5.8 |
| 2021 | 6.8°C | 2.8°C | -1.2°C | 18.6°C | -5.2°C | 81 mm | 88% | 4.1 m/s | 4.5 |
| 2020 | 4.6°C | 0.4°C | -3.7°C | 22.3°C | -16.7°C | 72 mm | 90% | 4 m/s | 5.7 |
| 2019 | 4.1°C | 0.8°C | -2.4°C | 12.8°C | -12.9°C | 91 mm | 90% | 2.9 m/s | 5.5 |
| 2018 | 1.5°C | -2.8°C | -7.2°C | 21.6°C | -14.0°C | 79 mm | 91% | 4.5 m/s | 5.9 |
| 2017 | 6.5°C | 2.6°C | -1.3°C | 16.4°C | -14.9°C | 60 mm | 91% | 3.2 m/s | 5.3 |
| 2016 | 7.7°C | 3.4°C | -0.9°C | 21.7°C | -7.9°C | 72 mm | 89% | 3.7 m/s | 5.4 |
| 2015 | 3.9°C | 0.3°C | -3.2°C | 13.9°C | -12.7°C | 142 mm | 91% | 3.9 m/s | 4.6 |
| 2014 | 3.7°C | 0.5°C | -2.7°C | 16.4°C | -11.5°C | 78 mm | 93% | 3.1 m/s | 5.2 |
| 2013 | 5.4°C | 1.9°C | -1.6°C | 16.5°C | -6.9°C | 87 mm | 90% | 3.7 m/s | 4.8 |
| 2012 | 5.7°C | 1.8°C | -2.1°C | 22.3°C | -11.3°C | 86 mm | 92% | 4.2 m/s | 5.2 |
| 2011 | 3.5°C | -0.4°C | -4.3°C | 13.8°C | -11.7°C | 98 mm | 92% | 3.3 m/s | 5.3 |
| 2010 | 5.3°C | 1.7°C | -2.0°C | 18.0°C | -8.1°C | 80 mm | 91% | 3.8 m/s | 4.2 |
| 2009 | 2.6°C | -1.1°C | -4.7°C | 11.5°C | -15.1°C | 70 mm | 91% | 4.2 m/s | 5.5 |
| 2008 | 8.6°C | 4.8°C | 1.0°C | 14.3°C | -3.1°C | 93 mm | 88% | 3.3 m/s | 5 |
| 2007 | 5.6°C | 1.0°C | -3.6°C | 22.2°C | -10.8°C | 94 mm | 87% | 4.4 m/s | 5.6 |
| 2006 | 9.3°C | 4.9°C | 0.6°C | 20.6°C | -7.8°C | 66 mm | 87% | 3.6 m/s | 5.6 |
| 2005 | 9.0°C | 5.0°C | 1.1°C | 20.3°C | -8.6°C | 52 mm | 89% | 3.7 m/s | 5.5 |
| 2004 ❄️ | -0.3°C | -3.3°C | -6.3°C | 1.4°C | -15.9°C | 138 mm | 95% | 4.2 m/s | 4.7 |
| 2003 | 9.6°C | 4.5°C | -0.6°C | 22.3°C | -17.0°C | 25 mm | 86% | 3.1 m/s | 5.7 |
| 2002 | 1.8°C | -2.0°C | -5.7°C | 17.0°C | -14.6°C | 98 mm | 93% | 3.6 m/s | 5.1 |
| 2001 🔥 | 11.0°C | 6.6°C | 2.3°C | 22.9°C | -9.2°C | 64 mm | 89% | 2.9 m/s | 6 |
| 2000 | 3.8°C | 0.6°C | -2.6°C | 14.0°C | -12.1°C | 92 mm | 92% | 3.7 m/s | 5.4 |
| 1999 | 9.2°C | 4.9°C | 0.6°C | 21.6°C | -9.5°C | 80 mm | 91% | 4.3 m/s | 5.2 |
| 1998 | 9.3°C | 4.9°C | 0.5°C | 15.7°C | -10.2°C | 86 mm | 89% | 3.4 m/s | 4.9 |
| 1997 | 3.8°C | 0.5°C | -2.9°C | 15.3°C | -10.0°C | 125 mm | 92% | 4 m/s | 5.4 |
| 1996 | 3.8°C | -0.6°C | -4.9°C | 14.8°C | -15.6°C | 44 mm | 87% | 3.6 m/s | 5.7 |
| 1995 | 7.7°C | 3.9°C | 0.1°C | 13.8°C | -8.0°C | 45 mm | 89% | 2.8 m/s | 5.5 |
| 1994 | 2.5°C | -1.0°C | -4.4°C | 15.1°C | -14.5°C | 51 mm | 90% | 3.4 m/s | 5.9 |
| 1993 | 5.8°C | 2.0°C | -1.8°C | 13.8°C | -12.9°C | 87 mm | 90% | 3.8 m/s | 4.6 |
| 1992 | 2.4°C | -1.9°C | -6.1°C | 17.6°C | -13.8°C | 100 mm | 91% | 4 m/s | 5.8 |
| 1991 | 3.7°C | -0.2°C | -4.1°C | 13.8°C | -12.2°C | 52 mm | 89% | 4 m/s | 6 |
| 1990 | 3.9°C | -0.3°C | -4.5°C | 15.9°C | -14.1°C | 58 mm | 89% | 3.5 m/s | 5.9 |
| 1989 | 8.4°C | 3.8°C | -0.7°C | 18.1°C | -9.3°C | 69 mm | 89% | 3.4 m/s | 5.5 |
| 1988 | 7.9°C | 3.4°C | -1.1°C | 20.7°C | -6.7°C | 71 mm | 87% | 4 m/s | 5.3 |
| 1987 | 6.6°C | 2.0°C | -2.7°C | 15.3°C | -9.3°C | 141 mm | 87% | 4.6 m/s | 4.7 |
| 1986 | 8.9°C | 3.7°C | -1.4°C | 19.3°C | -12.4°C | 50 mm | 86% | 3.5 m/s | 6.1 |
| 1985 | 1.2°C | -2.3°C | -5.9°C | 8.4°C | -17.3°C | 74 mm | 92% | 3 m/s | 5.5 |
| 1984 | 6.4°C | 2.7°C | -1.0°C | 16.6°C | -4.1°C | 112 mm | 89% | 3.8 m/s | 4.8 |
| 1983 | 4.5°C | 0.9°C | -2.6°C | 13.5°C | -11.8°C | 64 mm | 91% | 3.9 m/s | — |
| 1982 | 3.2°C | -0.3°C | -3.7°C | 17.6°C | -11.2°C | 89 mm | 93% | 3.7 m/s | — |
| 1981 | 3.1°C | -0.7°C | -4.5°C | 16.3°C | -12.8°C | 113 mm | 92% | 2.9 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 5.6°C with lows near -2.4°C (mean 1.6°C), based on 45 years of NASA POWER data.
May averages 83 mm of rainfall in Labrador City, about average for rainfall. The wettest on record was 151 mm in 2024.
The hottest May reached 23.6°C in 2023. The coldest dipped to -17.3°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 2.9°C. Daytime highs moved from 3.7°C to 7.5°C and overnight lows from -3.5°C to -1.4°C over the same span.
May is one of the warmer months of the year in Labrador City and about average for rainfall, so plan for around 5.6°C daytime highs and -2.4°C at night.
Not quite — May is the 8th coolest month in Labrador City, averaging 1.6°C.
For May in Labrador City, pack warm layers and a jacket for chilly mornings, with typical highs of 5.6°C and lows of -2.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 90% — quite humid.
Average wind speed in May is 3.7 m/s. The windiest May on record averaged 4.6 m/s (1987).
The wettest May on record was 2024 with 151 mm. On average, May sees 83 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 Labrador City 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.
