July is one of the warmer months of the year in Grand Falls, with average highs near 21.8°C and lows around 11°C (mean 16.4°C). It is about average for rainfall, averaging 96 mm of rainfall and 83% relative humidity across the period.
July is one of the warmer months of the year in Grand Falls. Across 45 years of records, the warmest Julys in Grand Falls were 2014 and 2023 — when the month averaged 19.6°C — while the coldest was 1992 at 12.4°C. Typical July days reach 21.8°C with nights near 11°C. The long-term trend is warming, about 0.4°C per decade.
July is about average for rainfall in Grand Falls, averaging 96 mm of rainfall. The wettest July on record was 2011 with 150 mm, while the driest was 1987 at 32 mm.
Relative humidity in Grand Falls during July averages 83%. The most humid July was 1993 at 88%, and the least humid was 1987 at 75%.
July receives about 5.1 kWh/m²/day of solar energy in Grand Falls. The sunniest July was 1987 at 5.9 kWh/m²/day, and the cloudiest was 1993 at 4.3.
Average wind speed in Grand Falls during July is 0.1 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.3°C | 15.3°C | 16.9°C | 16.6°C | 17.4°C | +1.1°C |
| Avg High | 21.9°C | 20.6°C | 22.3°C | 22.0°C | 22.9°C | +1°C |
| Avg Low | 10.7°C | 10.0°C | 11.4°C | 11.2°C | 12.0°C | +1.3°C |
| Avg Rain | 76 mm | 96 mm | 113 mm | 103 mm | 86 mm | +10 mm |
July temperatures in Grand Falls have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 1.5°C (1992) to a record high of 31°C (2005).
Rainfall in July is about average for rainfall, averaging 96 mm, with a wettest year of 150 mm.
One of the best times to visit Grand Falls
July is one of the best times to visit Grand Falls. Expect days averaging 21.8°C and nights around 11°C (mean 16.4°C) — warmer than Grand Falls's yearly average — with higher rainfall (96 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 | 23.4°C | 17.8°C | 12.2°C | 29.8°C | 7.4°C | 118 mm | 82% | 0.1 m/s | 5.1 |
| 2024 | 25.1°C | 19.3°C | 13.5°C | 28.9°C | 7.9°C | 67 mm | 81% | 0.1 m/s | 5.5 |
| 2023 | 24.5°C | 19.6°C | 14.8°C | 29.8°C | 8.8°C | 113 mm | 86% | 0.1 m/s | 4.7 |
| 2022 | 22.9°C | 17.3°C | 11.6°C | 27.7°C | 8.0°C | 69 mm | 81% | 0.1 m/s | 5.1 |
| 2021 | 20.7°C | 15.2°C | 9.8°C | 25.2°C | 4.2°C | 75 mm | 82% | 0.1 m/s | 4.8 |
| 2020 | 20.8°C | 15.4°C | 10.1°C | 27.0°C | 5.0°C | 74 mm | 83% | 0.1 m/s | 5 |
| 2019 | 20.0°C | 14.7°C | 9.4°C | 30.1°C | 5.2°C | 86 mm | 85% | 0.1 m/s | 4.9 |
| 2018 | 24.2°C | 18.3°C | 12.4°C | 28.0°C | 7.1°C | 91 mm | 83% | 0.1 m/s | 5.5 |
| 2017 | 21.9°C | 15.9°C | 9.9°C | 26.7°C | 4.1°C | 61 mm | 81% | 0.1 m/s | 5.8 |
| 2016 | 21.2°C | 16.1°C | 11.0°C | 26.7°C | 4.9°C | 105 mm | 84% | 0.1 m/s | 4.8 |
| 2015 | 17.9°C | 13.2°C | 8.5°C | 24.3°C | 5.0°C | 96 mm | 86% | 0.1 m/s | 4.5 |
| 2014 🔥 | 24.9°C | 19.6°C | 14.2°C | 28.3°C | 10.8°C | 56 mm | 82% | 0.1 m/s | 5.6 |
| 2013 | 23.1°C | 17.2°C | 11.3°C | 27.7°C | 6.9°C | 146 mm | 82% | 0.1 m/s | 5.7 |
| 2012 | 23.5°C | 18.1°C | 12.7°C | 27.3°C | 8.0°C | 94 mm | 80% | 0.1 m/s | 5.5 |
| 2011 🌧️ | 20.4°C | 15.3°C | 10.2°C | 25.1°C | 6.4°C | 150 mm | 84% | 0.1 m/s | 4.6 |
| 2010 | 22.6°C | 17.6°C | 12.6°C | 28.2°C | 6.4°C | 143 mm | 85% | 0.1 m/s | 4.6 |
| 2009 | 21.5°C | 15.7°C | 9.9°C | 26.5°C | 2.9°C | 127 mm | 83% | 0.1 m/s | 5.1 |
| 2008 | 24.0°C | 18.6°C | 13.2°C | 28.1°C | 7.8°C | 82 mm | 83% | 0.1 m/s | 5.4 |
| 2007 | 22.1°C | 17.0°C | 11.9°C | 29.8°C | 5.7°C | 147 mm | 85% | 0.1 m/s | 4.6 |
| 2006 | 22.9°C | 17.5°C | 12.1°C | 27.7°C | 5.6°C | 146 mm | 83% | 0.1 m/s | 5 |
| 2005 | 23.3°C | 17.4°C | 11.5°C | 31.0°C | 5.5°C | 103 mm | 82% | 0.1 m/s | 5.1 |
| 2004 | 22.9°C | 17.3°C | 11.6°C | 27.8°C | 6.6°C | 77 mm | 83% | 0.1 m/s | 5.1 |
| 2003 | 22.1°C | 17.1°C | 12.1°C | 27.3°C | 6.6°C | 135 mm | 85% | 0.1 m/s | 4.6 |
| 2002 | 21.8°C | 16.1°C | 10.5°C | 26.5°C | 6.2°C | 104 mm | 81% | 0.1 m/s | 5.7 |
| 2001 | 20.8°C | 15.5°C | 10.2°C | 26.5°C | 6.3°C | 97 mm | 83% | 0.1 m/s | 5.3 |
| 2000 | 21.5°C | 16.4°C | 11.3°C | 26.3°C | 8.1°C | 115 mm | 84% | 0.1 m/s | 5.1 |
| 1999 | 21.6°C | 16.3°C | 11.0°C | 28.7°C | 5.2°C | 75 mm | 82% | 0.1 m/s | 5 |
| 1998 | 21.7°C | 16.6°C | 11.5°C | 27.5°C | 6.3°C | 98 mm | 84% | 0.1 m/s | 5 |
| 1997 | 21.2°C | 15.6°C | 10.0°C | 26.8°C | 6.3°C | 91 mm | 83% | 0.1 m/s | 5.4 |
| 1996 | 21.7°C | 16.4°C | 11.0°C | 25.4°C | 4.5°C | 141 mm | 83% | 0.1 m/s | 4.9 |
| 1995 | 21.6°C | 16.1°C | 10.5°C | 30.2°C | 2.5°C | 95 mm | 83% | 0.1 m/s | 4.8 |
| 1994 | 22.0°C | 16.7°C | 11.3°C | 27.6°C | 5.5°C | 144 mm | 83% | 0.1 m/s | 5 |
| 1993 | 17.5°C | 13.0°C | 8.4°C | 22.9°C | 5.1°C | 139 mm | 88% | 0.1 m/s | 4.3 |
| 1992 ❄️ | 17.3°C | 12.4°C | 7.5°C | 25.1°C | 1.5°C | 72 mm | 85% | 0.1 m/s | 4.8 |
| 1991 | 20.4°C | 14.7°C | 9.0°C | 28.2°C | 3.2°C | 46 mm | 82% | 0.1 m/s | 4.9 |
| 1990 | 21.1°C | 15.4°C | 9.8°C | 29.0°C | 4.9°C | 62 mm | 80% | 0.1 m/s | 5.3 |
| 1989 | 22.7°C | 16.7°C | 10.7°C | 29.7°C | 4.4°C | 70 mm | 76% | 0.1 m/s | 5.3 |
| 1988 | 22.7°C | 16.5°C | 10.3°C | 28.8°C | 6.2°C | 53 mm | 80% | 0.1 m/s | 4.7 |
| 1987 | 23.3°C | 17.1°C | 11.0°C | 29.9°C | 5.1°C | 32 mm | 75% | 0.1 m/s | 5.9 |
| 1986 | 19.2°C | 14.0°C | 8.7°C | 27.2°C | 3.1°C | 70 mm | 83% | 0.1 m/s | 5.4 |
| 1985 | 22.8°C | 17.0°C | 11.2°C | 26.8°C | 7.2°C | 112 mm | 83% | 0.1 m/s | 5.5 |
| 1984 | 23.0°C | 17.7°C | 12.5°C | 27.9°C | 3.8°C | 43 mm | 83% | 0.1 m/s | 5.2 |
| 1983 | 21.2°C | 16.3°C | 11.5°C | 29.4°C | 5.6°C | 119 mm | 85% | 0.1 m/s | — |
| 1982 | 21.2°C | 15.8°C | 10.3°C | 29.9°C | 4.5°C | 99 mm | 84% | 0.1 m/s | — |
| 1981 | 20.7°C | 15.3°C | 10.0°C | 27.4°C | 5.4°C | 85 mm | 82% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 21.8°C with lows near 11°C (mean 16.4°C), based on 45 years of NASA POWER data.
July averages 96 mm of rainfall in Grand Falls, about average for rainfall. The wettest on record was 150 mm in 2011.
The hottest July reached 31°C in 2005. The coldest dipped to 1.5°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 21.8°C to 23.3°C and overnight lows from 11.1°C to 12.4°C over the same span.
July is one of the warmer months of the year in Grand Falls and about average for rainfall, so plan for around 21.8°C daytime highs and 11°C at night.
Not quite — July is the 12th coolest month in Grand Falls, averaging 16.4°C.
For July in Grand Falls, pack light layers you can adjust through the day, with typical highs of 21.8°C and lows of 11°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 83% — quite humid.
Average wind speed in July is 0.1 m/s. The windiest July on record averaged 0.1 m/s (1981).
The wettest July on record was 2011 with 150 mm. On average, July sees 96 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 Grand Falls behaves each July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
