Rio Negro Weather in July
Average highs run from 19°C on July 1 to 20°C on July 31, and lows from 10°C to 9°C. Normal precipitation for the month is 105 mm over about 9 wet days.
July day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
July at a glance
- Average high
- 19°C
- Average low
- 9°C
- Precipitation
- 105 mm
- Reanalysis high
- 28°CJul 24, 2006
- Reanalysis low
- -5°CJul 24, 2013
- Daylight
- 10 h 32 min to 10 h 54 min
- Cloud cover
- 56%
- Humidity
- 84%
- Dew point
- 10°C
- Wind
- 4.7 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 19°C | 10°C | 25°C 2002 | 3°C 2014 | 39% |
| Jul 2 | 19°C | 9°C | 24°C 2000 | 3°C 2020 | 39% |
| Jul 3 | 19°C | 9°C | 24°C 2002 | 1°C 2020 | 38% |
| Jul 4 | 19°C | 9°C | 25°C 2014 | 1°C 2011 | 37% |
| Jul 5 | 19°C | 9°C | 24°C 2006 | 1°C 2019 | 36% |
| Jul 6 | 19°C | 9°C | 25°C 2006 | -2°C 2019 | 36% |
| Jul 7 | 19°C | 9°C | 25°C 2006 | -3°C 2019 | 34% |
| Jul 8 | 19°C | 9°C | 26°C 2006 | 0°C 2011 | 34% |
| Jul 9 | 19°C | 9°C | 24°C 2000 | -2°C 1994 | 34% |
| Jul 10 | 19°C | 9°C | 23°C 2001 | -1°C 1994 | 34% |
| Jul 11 | 19°C | 9°C | 24°C 2016 | -1°C 2004 | 34% |
| Jul 12 | 19°C | 9°C | 26°C 2006 | 0°C 2000 | 34% |
| Jul 13 | 19°C | 9°C | 26°C 2006 | -3°C 2000 | 34% |
| Jul 14 | 19°C | 9°C | 26°C 2006 | -4°C 2000 | 34% |
| Jul 15 | 19°C | 8°C | 25°C 2018 | -2°C 1993 | 34% |
| Jul 16 | 19°C | 8°C | 26°C 2018 | -1°C 2000 | 34% |
| Jul 17 | 19°C | 8°C | 25°C 2018 | -4°C 2000 | 33% |
| Jul 18 | 19°C | 8°C | 25°C 2018 | -2°C 2000 | 33% |
| Jul 19 | 19°C | 8°C | 25°C 2018 | -2°C 2017 | 32% |
| Jul 20 | 19°C | 8°C | 25°C 2018 | -4°C 2000 | 31% |
| Jul 21 | 19°C | 8°C | 25°C 2006 | -2°C 2000 | 31% |
| Jul 22 | 19°C | 9°C | 26°C 2006 | 0°C 1996 | 31% |
| Jul 23 | 20°C | 9°C | 27°C 2006 | -3°C 2013 | 31% |
| Jul 24 | 20°C | 9°C | 28°C 2006 | -5°C 2013 | 30% |
| Jul 25 | 20°C | 9°C | 27°C 2006 | -1°C 2000 | 29% |
| Jul 26 | 20°C | 9°C | 28°C 2006 | -1°C 2007 | 29% |
| Jul 27 | 20°C | 9°C | 28°C 2006 | -1°C 2007 | 30% |
| Jul 28 | 20°C | 9°C | 25°C 2006 | -2°C 2001 | 29% |
| Jul 29 | 20°C | 9°C | 25°C 1995 | -2°C 2007 | 29% |
| Jul 30 | 20°C | 9°C | 27°C 1995 | 2°C 2006 | 27% |
| Jul 31 | 20°C | 9°C | 26°C 1995 | 0°C 1993 | 26% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- July 1
- sunrise 7:07 AM, sunset 5:39 PM
- July 31
- sunrise 6:59 AM, sunset 5:53 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.