Harlem Weather in August
Average highs run from 88°F on August 1 to 80°F on August 31, and lows from 55°F to 47°F. Normal precipitation for the month is 0.99 in over about 5 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 85°F
- Average low
- 52°F
- Precipitation
- 0.99 in
- Record high
- 106°FAug 12, 2018
- Record low
- 35°FAug 23, 2015
- Chance of a freeze
- 2%
- Days of 90°F or more
- 11.5
- Daylight
- 15 h 02 min to 13 h 28 min
- Cloud cover
- 50%
- Humidity
- 48%
- Dew point
- 46°F
- Wind
- 9.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 88°F | 55°F | 104°F 2026 | 50°F 2013 | 18% |
| Aug 2 | 88°F | 55°F | 98°F 2005 | 50°F 2013 | 18% |
| Aug 3 | 88°F | 55°F | 102°F 2001 | 50°F 2006 | 17% |
| Aug 4 | 87°F | 55°F | 101°F 2001 | 49°F 2008 | 17% |
| Aug 5 | 87°F | 55°F | 100°F 2001 | 49°F 2026 | 17% |
| Aug 6 | 87°F | 55°F | 101°F 1998 | 48°F 2006 | 17% |
| Aug 7 | 87°F | 54°F | 102°F 2001 | 49°F 2026 | 17% |
| Aug 8 | 87°F | 54°F | 101°F 2001 | 47°F 1996 | 17% |
| Aug 9 | 87°F | 54°F | 100°F 2000 | 47°F 2001 | 17% |
| Aug 10 | 87°F | 54°F | 101°F 2018 | 39°F 1997 | 17% |
| Aug 11 | 86°F | 53°F | 104°F 2018 | 46°F 2004 | 17% |
| Aug 12 | 86°F | 53°F | 106°F 2018 | 48°F 1997 | 17% |
| Aug 13 | 86°F | 53°F | 98°F 2001 | 41°F 2005 | 17% |
| Aug 14 | 86°F | 53°F | 100°F 2015 | 45°F 2005 | 17% |
| Aug 15 | 85°F | 52°F | 98°F 2003 | 49°F 2008 | 17% |
| Aug 16 | 85°F | 52°F | 103°F 2003 | 40°F 2012 | 16% |
| Aug 17 | 85°F | 52°F | 103°F 2003 | 46°F 2012 | 16% |
| Aug 18 | 85°F | 51°F | 99°F 2020 | 48°F 2015 | 16% |
| Aug 19 | 84°F | 51°F | 102°F 2008 | 42°F 2015 | 16% |
| Aug 20 | 84°F | 51°F | 96°F 2025 | 47°F 2016 | 16% |
| Aug 21 | 84°F | 50°F | 98°F 2010 | 41°F 2018 | 16% |
| Aug 22 | 83°F | 50°F | 97°F 2001 | 42°F 2008 | 16% |
| Aug 23 | 83°F | 50°F | 99°F 2001 | 35°F 2015 | 16% |
| Aug 24 | 83°F | 49°F | 97°F 1999 | 45°F 2010 | 16% |
| Aug 25 | 82°F | 49°F | 102°F 2008 | 44°F 2012 | 16% |
| Aug 26 | 82°F | 49°F | 102°F 2008 | 43°F 2005 | 17% |
| Aug 27 | 82°F | 48°F | 100°F 2010 | 43°F 2004 | 17% |
| Aug 28 | 81°F | 48°F | 99°F 2012 | 44°F 2018 | 17% |
| Aug 29 | 81°F | 47°F | 100°F 2012 | 46°F 2000 | 17% |
| Aug 30 | 81°F | 47°F | 98°F 2005 | 44°F 2003 | 17% |
| Aug 31 | 80°F | 47°F | 96°F 1999 | 39°F 2020 | 17% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 5:50 AM, sunset 8:52 PM
- August 31
- sunrise 6:31 AM, sunset 7:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00243929 (Harlem), public domain. Records: NOAA GHCN-Daily, station USC00245334, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.