August is one of the warmer months of the year in Iqaluit, with average highs near 9.1°C and lows around 2.3°C (mean 5.7°C). It is a relatively wet time of year, averaging 97 mm of rainfall and 89% relative humidity across the period.
August is one of the warmer months of the year in Iqaluit. Across 45 years of records, the warmest August in Iqaluit was 2010 — when the month averaged 8.7°C — while the coldest was 1984 at 3.6°C. Typical August days reach 9.1°C with nights near 2.3°C. The long-term trend is warming, about 0.4°C per decade.
August is a relatively wet time of year in Iqaluit, averaging 97 mm of rainfall. The wettest August on record was 2001 with 215 mm, while the driest was 2008 at 41 mm.
Relative humidity in Iqaluit during August averages 89%. The most humid Augusts were 2018 and 2021 at 92%, and the least humid was 2002 at 85%.
August receives about 3.6 kWh/m²/day of solar energy in Iqaluit. The sunniest Augusts were 2002 and 2008 at 4.4 kWh/m²/day, and the cloudiest was 2021 at 2.8.
Average wind speed in Iqaluit during August is 3.2 m/s. The windiest August was 2015 at 3.9 m/s, while the calmest was 2006 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.6°C | 5.2°C | 6.4°C | 6.3°C | 5.9°C | +1.3°C |
| Avg High | 8.0°C | 8.7°C | 9.8°C | 9.8°C | 9.2°C | +1.2°C |
| Avg Low | 1.2°C | 1.7°C | 2.9°C | 2.9°C | 2.7°C | +1.5°C |
| Avg Rain | 99 mm | 92 mm | 106 mm | 87 mm | 105 mm | +6 mm |
August temperatures in Iqaluit have risen by about 1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -5°C (1981) to a record high of 22°C (2003).
Rainfall in August is a relatively wet time of year, averaging 97 mm, with a wettest year of 215 mm.
One of the best times to visit Iqaluit
August is one of the best times to visit Iqaluit. Expect days averaging 9.1°C and nights around 2.3°C (mean 5.7°C) — warmer than Iqaluit's yearly average — with higher rainfall (97 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 | 8.0°C | 4.7°C | 1.4°C | 14.1°C | -4.1°C | 96 mm | 90% | 3.1 m/s | 3.7 |
| 2024 | 9.2°C | 5.7°C | 2.3°C | 14.6°C | -1.6°C | 82 mm | 90% | 3.5 m/s | 3.6 |
| 2023 | 9.3°C | 6.3°C | 3.4°C | 15.5°C | -1.2°C | 140 mm | 91% | 3.1 m/s | 3.8 |
| 2022 | 9.2°C | 5.9°C | 2.6°C | 14.0°C | -1.4°C | 98 mm | 88% | 2.8 m/s | 3.6 |
| 2021 | 7.8°C | 5.0°C | 2.2°C | 13.6°C | -3.0°C | 153 mm | 92% | 3.7 m/s | 2.8 |
| 2020 | 11.9°C | 8.0°C | 4.2°C | 17.5°C | -0.9°C | 58 mm | 88% | 2.7 m/s | 4.1 |
| 2019 | 11.3°C | 7.0°C | 2.8°C | 16.9°C | -0.6°C | 54 mm | 86% | 3.1 m/s | 3.9 |
| 2018 | 7.0°C | 4.3°C | 1.5°C | 12.0°C | -1.6°C | 165 mm | 92% | 3.7 m/s | 3 |
| 2017 | 9.6°C | 6.1°C | 2.6°C | 15.6°C | -1.9°C | 57 mm | 89% | 2.7 m/s | 3.7 |
| 2016 | 11.0°C | 7.3°C | 3.6°C | 19.0°C | 0.3°C | 74 mm | 88% | 3.3 m/s | 4 |
| 2015 | 7.7°C | 4.1°C | 0.4°C | 13.4°C | -2.4°C | 71 mm | 89% | 3.9 m/s | 3.7 |
| 2014 | 10.8°C | 7.3°C | 3.8°C | 18.2°C | -1.3°C | 129 mm | 90% | 3.1 m/s | 3.4 |
| 2013 | 8.9°C | 5.4°C | 2.0°C | 14.8°C | -2.9°C | 63 mm | 89% | 3.6 m/s | 4 |
| 2012 | 9.9°C | 6.8°C | 3.8°C | 17.2°C | -0.7°C | 81 mm | 91% | 3.6 m/s | 3.3 |
| 2011 | 9.5°C | 6.2°C | 3.0°C | 14.8°C | -0.2°C | 77 mm | 90% | 3.6 m/s | 3.5 |
| 2010 🔥 | 12.2°C | 8.7°C | 5.2°C | 18.5°C | 0.2°C | 97 mm | 89% | 3.4 m/s | 3.5 |
| 2009 | 10.0°C | 6.4°C | 2.9°C | 17.3°C | -0.7°C | 54 mm | 87% | 2.7 m/s | 3.6 |
| 2008 | 10.8°C | 6.6°C | 2.3°C | 18.7°C | -2.6°C | 41 mm | 87% | 3.2 m/s | 4.4 |
| 2007 | 9.9°C | 6.8°C | 3.8°C | 16.0°C | 1.7°C | 110 mm | 89% | 3.1 m/s | 3.3 |
| 2006 | 10.3°C | 7.1°C | 3.9°C | 16.0°C | 0.3°C | 78 mm | 88% | 2.2 m/s | 3.8 |
| 2005 | 8.3°C | 5.4°C | 2.4°C | 14.3°C | -0.8°C | 93 mm | 90% | 3.3 m/s | 3.4 |
| 2004 | 9.0°C | 5.6°C | 2.3°C | 17.5°C | -3.6°C | 104 mm | 89% | 3 m/s | 3.4 |
| 2003 | 9.6°C | 5.9°C | 2.3°C | 22.0°C | -2.3°C | 132 mm | 87% | 3.5 m/s | 3.5 |
| 2002 | 10.6°C | 6.4°C | 2.1°C | 16.4°C | -2.4°C | 73 mm | 85% | 3 m/s | 4.4 |
| 2001 🌧️ | 8.9°C | 5.9°C | 2.9°C | 16.9°C | -3.8°C | 215 mm | 90% | 2.8 m/s | 3.2 |
| 2000 | 11.0°C | 7.4°C | 3.8°C | 16.3°C | -0.6°C | 159 mm | 89% | 3.7 m/s | 3.4 |
| 1999 | 8.0°C | 4.9°C | 1.7°C | 15.7°C | -3.8°C | 137 mm | 89% | 3.5 m/s | 3.6 |
| 1998 | 9.7°C | 6.3°C | 2.8°C | 14.5°C | 0.1°C | 62 mm | 88% | 2.9 m/s | 3.8 |
| 1997 | 9.6°C | 5.6°C | 1.7°C | 15.0°C | -3.5°C | 108 mm | 87% | 2.8 m/s | 3.8 |
| 1996 | 8.4°C | 4.8°C | 1.2°C | 15.5°C | -3.1°C | 112 mm | 88% | 3 m/s | 3.6 |
| 1995 | 9.8°C | 6.1°C | 2.4°C | 14.6°C | -1.9°C | 65 mm | 88% | 3.3 m/s | 3.9 |
| 1994 | 8.3°C | 4.8°C | 1.2°C | 13.6°C | -2.0°C | 84 mm | 87% | 2.7 m/s | 3.6 |
| 1993 | 9.5°C | 5.7°C | 1.9°C | 18.1°C | -2.6°C | 75 mm | 87% | 2.7 m/s | 3.9 |
| 1992 | 7.9°C | 4.8°C | 1.7°C | 15.8°C | -1.7°C | 74 mm | 89% | 2.6 m/s | 3.9 |
| 1991 | 8.9°C | 5.1°C | 1.3°C | 18.4°C | -2.7°C | 98 mm | 87% | 3.6 m/s | 3.8 |
| 1990 | 7.0°C | 3.9°C | 0.8°C | 10.0°C | -2.7°C | 108 mm | 89% | 3.2 m/s | 3.4 |
| 1989 | 7.3°C | 4.1°C | 1.0°C | 12.5°C | -2.2°C | 78 mm | 90% | 3.1 m/s | 3.5 |
| 1988 | 8.4°C | 5.1°C | 1.7°C | 17.2°C | -2.4°C | 115 mm | 91% | 3.5 m/s | 3.6 |
| 1987 | 8.5°C | 5.2°C | 1.9°C | 13.6°C | -1.4°C | 105 mm | 90% | 3.1 m/s | 3.4 |
| 1986 | 8.0°C | 4.7°C | 1.5°C | 18.9°C | -3.2°C | 164 mm | 91% | 3.7 m/s | 3.4 |
| 1985 | 10.1°C | 6.2°C | 2.3°C | 18.4°C | -2.5°C | 90 mm | 86% | 3.4 m/s | 4 |
| 1984 ❄️ | 6.9°C | 3.6°C | 0.4°C | 11.8°C | -2.3°C | 111 mm | 89% | 3.6 m/s | 3.5 |
| 1983 | 6.7°C | 3.7°C | 0.7°C | 12.3°C | -2.6°C | 101 mm | 90% | 2.7 m/s | — |
| 1982 | 8.0°C | 4.4°C | 0.8°C | 15.3°C | -3.4°C | 52 mm | 88% | 3.5 m/s | — |
| 1981 | 8.1°C | 4.5°C | 0.9°C | 15.0°C | -5.0°C | 71 mm | 88% | 3.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 9.1°C with lows near 2.3°C (mean 5.7°C), based on 45 years of NASA POWER data.
August averages 97 mm of rainfall in Iqaluit, a relatively wet time of year. The wettest on record was 215 mm in 2001.
The hottest August reached 22°C in 2003. The coldest dipped to -5°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1°C. Daytime highs moved from 8°C to 8.7°C and overnight lows from 1°C to 2.4°C over the same span.
August is one of the warmer months of the year in Iqaluit and a relatively wet time of year, so plan for around 9.1°C daytime highs and 2.3°C at night.
Not quite — August is the 11th coolest month in Iqaluit, averaging 5.7°C.
For August in Iqaluit, pack warm layers and a jacket for chilly mornings, with typical highs of 9.1°C and lows of 2.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 89% — quite humid.
Average wind speed in August is 3.2 m/s. The windiest August on record averaged 3.9 m/s (2015).
The wettest August on record was 2001 with 215 mm. On average, August sees 97 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 Iqaluit behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
