Santa Helena Weather in July
Average highs run from 21°C on July 1 to 22°C on July 31, and lows from 14°C to 14°C. Normal precipitation for the month is 81 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
- 21°C
- Average low
- 13°C
- Precipitation
- 81 mm
- Reanalysis high
- 29°CJul 31, 1995
- Reanalysis low
- 3°CJul 21, 2000
- Daylight
- 10 h 37 min to 10 h 58 min
- Cloud cover
- 54%
- Humidity
- 80%
- Dew point
- 14°C
- Wind
- 11.5 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 | 21°C | 14°C | 26°C 2018 | 7°C 1997 | 35% |
| Jul 2 | 21°C | 14°C | 26°C 2018 | 9°C 2020 | 34% |
| Jul 3 | 21°C | 14°C | 25°C 2012 | 8°C 2020 | 33% |
| Jul 4 | 21°C | 14°C | 28°C 1995 | 6°C 2011 | 32% |
| Jul 5 | 21°C | 14°C | 27°C 1995 | 7°C 2019 | 30% |
| Jul 6 | 21°C | 14°C | 27°C 2018 | 4°C 2019 | 28% |
| Jul 7 | 21°C | 14°C | 26°C 2007 | 4°C 2019 | 27% |
| Jul 8 | 21°C | 14°C | 27°C 2006 | 5°C 1994 | 26% |
| Jul 9 | 21°C | 14°C | 25°C 2008 | 3°C 1994 | 27% |
| Jul 10 | 21°C | 13°C | 26°C 2006 | 5°C 1994 | 28% |
| Jul 11 | 21°C | 13°C | 28°C 2006 | 5°C 1994 | 28% |
| Jul 12 | 21°C | 13°C | 28°C 2006 | 4°C 2000 | 28% |
| Jul 13 | 21°C | 13°C | 28°C 2006 | 3°C 2000 | 28% |
| Jul 14 | 21°C | 13°C | 28°C 2006 | 3°C 2000 | 28% |
| Jul 15 | 21°C | 13°C | 27°C 1995 | 4°C 1993 | 27% |
| Jul 16 | 21°C | 13°C | 28°C 2018 | 4°C 2000 | 26% |
| Jul 17 | 21°C | 13°C | 28°C 2018 | 3°C 2000 | 26% |
| Jul 18 | 21°C | 13°C | 27°C 2018 | 4°C 2017 | 25% |
| Jul 19 | 21°C | 13°C | 28°C 2018 | 5°C 2017 | 25% |
| Jul 20 | 21°C | 13°C | 27°C 2018 | 4°C 2000 | 26% |
| Jul 21 | 21°C | 13°C | 27°C 2008 | 3°C 2000 | 26% |
| Jul 22 | 21°C | 13°C | 28°C 2006 | 6°C 1996 | 26% |
| Jul 23 | 21°C | 13°C | 28°C 2018 | 4°C 1992 | 26% |
| Jul 24 | 21°C | 13°C | 27°C 2020 | 3°C 2013 | 26% |
| Jul 25 | 21°C | 13°C | 29°C 2006 | 4°C 2009 | 25% |
| Jul 26 | 22°C | 13°C | 28°C 2006 | 6°C 2013 | 25% |
| Jul 27 | 22°C | 13°C | 28°C 2006 | 7°C 2001 | 25% |
| Jul 28 | 22°C | 13°C | 28°C 1995 | 5°C 2001 | 24% |
| Jul 29 | 22°C | 13°C | 28°C 1995 | 6°C 2001 | 24% |
| Jul 30 | 22°C | 14°C | 27°C 1995 | 6°C 1993 | 23% |
| Jul 31 | 22°C | 14°C | 29°C 1995 | 4°C 1993 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- July 1
- sunrise 7:23 AM, sunset 6:00 PM
- July 31
- sunrise 7:15 AM, sunset 6:13 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.