Islip, NY: August
: August 2026 averaged 75.1°F in Islip, NY, the warmest August since 2022, 11th warmest of 63.
August 2026
- Mean temperature
- 75.1°F
- Warmest since 2022
- 11th warmest of 63
- Precipitation
- 7.94 in
- Wettest since 2014
- 6th wettest of 63
A normal August in Islip, NY (1991 to 2020): a mean temperature of 74.1°F, between 71.3°F and 75.8°F in eight years of ten and 3.57 in of precipitation, between 0.88 in and 6.83 in in eight years of ten.
- Normal range, 71.3 to 75.8°F
Every year, ranked, as a table
Every August in Islip, NY from 1964 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | 75.1 | 11 | 82.2 | 20 | 67.9 | 9 | 7.94 | 6 | 0 |
| 2025 | 72.7 | 39 | 81.5 | 28 | 63.8 | 49 | 0.53 | 60 | 0 |
| 2024 | 73.8 | 27 | 81.8 | 25 | 65.8 | 28 | 6.50 | 12 | 0 |
| 2023 | 73.3 | 31 | 80.4 | 43 | 66.2 | 23 | 5.09 | 17 | 0 |
| 2022 | 77.7 | 1 | 86.1 | 1 | 69.3 | 2 | 0.67 | 59 | 0 |
| 2021 | 75.9 | 6 | 83 | 11 | 68.8 | 6 | 6.63 | 9 | 0 |
| 2020 | 75.3 | 10 | 82.5 | 17 | 68.1 | 8 | 3.25 | 37 | 0 |
| 2019 | 73.6 | 28 | 81.6 | 27 | 65.6 | 30 | 3.49 | 34 | 0 |
| 2018 | 76.7 | 5 | 84.1 | 7 | 69.3 | 2 | 6.15 | 13 | 0 |
| 2017 | 72.8 | 37 | 81.1 | 31 | 64.5 | 42 | 3.73 | 32 | 0 |
| 2016 | 77.3 | 3 | 85.6 | 2 | 69.1 | 4 | 0.90 | 56 | 0 |
| 2015 | 75.7 | 7 | 84.3 | 5 | 67.1 | 13 | 1.48 | 53 | 0 |
| 2014 | 71.9 | 46 | 80.6 | 38 | 63.3 | 51 | 14.07 | 1 | 0 |
| 2013 | 72.3 | 43 | 80.4 | 43 | 64.3 | 44 | 2.72 | 42 | 0 |
| 2012 | 74.6 | 16 | 82.6 | 15 | 66.6 | 19 | 4.92 | 20 | 0 |
| 2011 | 74.2 | 22 | 82 | 23 | 66.3 | 22 | 11.58 | 3 | 0 |
| 2010 | 74.3 | 20 | 82.7 | 14 | 65.9 | 26 | 2.31 | 47 | 0 |
| 2009 | 74.7 | 15 | 82.1 | 21 | 67.3 | 12 | 0.68 | 58 | 0 |
| 2008 | 71.3 | 52 | 80.1 | 46 | 62.5 | 57 | 3.29 | 36 | 0 |
| 2007 | 72.9 | 34 | 80.5 | 41 | 65.3 | 33 | 2.95 | 39 | 0 |
| 2006 | 73.9 | 24 | 82.1 | 21 | 65.7 | 29 | 5.58 | 15 | 0 |
| 2005 | 77 | 4 | 85 | 4 | 69.1 | 4 | 0.26 | 62 | 0 |
| 2004 | 71.1 | 54 | 78.2 | 58 | 63.9 | 47 | 5.04 | 18 | 0 |
| 2003 | 74.8 | 14 | 81.5 | 28 | 68.2 | 7 | 3.11 | 38 | 0 |
| 2002 | 74.5 | 18 | 82.4 | 18 | 66.6 | 19 | 5.19 | 16 | 0 |
| 2001 | 75.6 | 9 | 83.8 | 8 | 67.4 | 11 | 5.02 | 19 | 0 |
| 2000 | 71.4 | 49 | 78.4 | 55 | 64.4 | 43 | 3.65 | 33 | 0 |
| 1999 | 72.9 | 34 | 80.5 | 41 | 65.3 | 33 | 5.63 | 14 | 0 |
| 1998 | 75.7 | 7 | 84.2 | 6 | 67.1 | 13 | 2.45 | 43 | 0 |
| 1997 | 72.4 | 41 | 80.6 | 38 | 64.1 | 45 | 3.84 | 30 | 0 |
| 1996 | 72 | 44 | 79.4 | 49 | 64.6 | 40 | 1.62 | 48 | 0 |
| 1995 | 74.3 | 20 | 83.8 | 8 | 64.7 | 39 | 0.74 | 57 | 0 |
| 1994 | 70.5 | 59 | 78.6 | 53 | 62.4 | 59 | 6.51 | 11 | 0 |
| 1993 | 73.1 | 32 | 80.7 | 34 | 65.4 | 32 | 1.60 | 49 | 0 |
| 1992 | 70.3 | 60 | 78.7 | 52 | 61.9 | 61 | 6.62 | 10 | 0 |
| 1991 | 74.5 | 18 | 83 | 11 | 65.9 | 26 | 8.68 | 4 | 0 |
| 1990 | 74.1 | 23 | 81.3 | 30 | 66.9 | 18 | 13.78 | 2 | 0 |
| 1989 | 73.1 | 32 | 80.7 | 34 | 65.5 | 31 | 7.68 | 8 | 0 |
| 1988 | 75 | 12 | 82.3 | 19 | 67.7 | 10 | 1.49 | 52 | 0 |
| 1987 | 70.8 | 57 | 78.4 | 55 | 63.3 | 51 | 4.46 | 26 | 0 |
| 1986 | 70.3 | 60 | 77.5 | 60 | 63.1 | 54 | 3.95 | 29 | 0 |
| 1985 | 71.8 | 47 | 78.6 | 53 | 64.9 | 37 | 3.84 | 30 | 0 |
| 1984 | 73.9 | 24 | 80.7 | 34 | 67 | 17 | 0.47 | 61 | 0 |
| 1983 | 73.5 | 29 | 80.9 | 32 | 66.1 | 25 | 4.85 | 21 | 0 |
| 1982 | 70.6 | 58 | 78.4 | 55 | 62.9 | 55 | 2.39 | 45 | 0 |
| 1981 | 71.1 | 54 | 79.1 | 50 | 63.2 | 53 | 1.18 | 55 | 0 |
| 1980 | 77.4 | 2 | 85.1 | 3 | 69.8 | 1 | 1.45 | 54 | 0 |
| 1979 | 71.4 | 49 | 77.5 | 60 | 65.3 | 33 | 7.70 | 7 | 0 |
| 1978 | 73.5 | 29 | 79.9 | 47 | 67.1 | 13 | 4.54 | 24 | 1 |
| 1977 | 72 | 44 | 79.1 | 50 | 64.8 | 38 | 4.82 | 23 | 0 |
| 1976 | 72.7 | 39 | 80.7 | 34 | 64.6 | 40 | 8.21 | 5 | 0 |
| 1975 | 72.4 | 41 | 80.8 | 33 | 64 | 46 | 2.75 | 41 | 0 |
| 1974 | 72.9 | 34 | 81.9 | 24 | 63.9 | 47 | 2.87 | 40 | 0 |
| 1973 | 74.6 | 16 | 82.9 | 13 | 66.2 | 23 | 1.60 | 49 | 0 |
| 1972 | 71.2 | 53 | 80.6 | 38 | 61.8 | 62 | 1.57 | 51 | 0 |
| 1971 | 71.4 | 49 | 80.4 | 43 | 62.5 | 57 | 4.05 | 28 | 0 |
| 1970 | 73.9 | 24 | 82.6 | 15 | 65.2 | 36 | 4.43 | 27 | 0 |
| 1969 | 74.9 | 13 | 83.2 | 10 | 66.6 | 19 | 4.48 | 25 | 0 |
| 1968 | 71.1 | 54 | 79.5 | 48 | 62.6 | 56 | 2.42 | 44 | 0 |
| 1967 | 71.7 | 48 | 76.4 | 63 | 67.1 | 13 | 4.84 | 22 | 0 |
| 1966 | 72.8 | 37 | 81.7 | 26 | 63.8 | 49 | 2.32 | 46 | 0 |
| 1965 | 70.2 | 62 | 78.2 | 58 | 62.3 | 60 | 3.33 | 35 | 0 |
| 1964 | 68.7 | 63 | 77.4 | 62 | 59.9 | 63 | 0.18 | 63 | 0 |
Warmest, coldest, wettest and driest
| Year | Mean, °F |
|---|---|
| 2022 | 77.7 |
| 1980 | 77.4 |
| 2016 | 77.3 |
| 2005 | 77 |
| 2018 | 76.7 |
| 2021 | 75.9 |
| 2015 | 75.7 |
| 1998 | 75.7 |
| 2001 | 75.6 |
| 2020 | 75.3 |
| Year | Mean, °F |
|---|---|
| 1964 | 68.7 |
| 1965 | 70.2 |
| 1992 | 70.3 |
| 1986 | 70.3 |
| 1994 | 70.5 |
| 1982 | 70.6 |
| 1987 | 70.8 |
| 2004 | 71.1 |
| 1981 | 71.1 |
| 1968 | 71.1 |
| Year | Precipitation, in |
|---|---|
| 2014 | 14.07 |
| 1990 | 13.78 |
| 2011 | 11.58 |
| 1991 | 8.68 |
| 1976 | 8.21 |
| 2026 | 7.94 |
| 1979 | 7.70 |
| 1989 | 7.68 |
| 2021 | 6.63 |
| 1992 | 6.62 |
| Year | Precipitation, in |
|---|---|
| 1964 | 0.18 |
| 2005 | 0.26 |
| 1984 | 0.47 |
| 2025 | 0.53 |
| 2022 | 0.67 |
| 2009 | 0.68 |
| 1995 | 0.74 |
| 2016 | 0.90 |
| 1981 | 1.18 |
| 1980 | 1.45 |
The hottest, coldest and wettest days
- Hottest day
- 91°F
- Coldest night
- 60°F
- Wettest day
- 3.27 in
Every month, season and year
Months
Seasons
Years
Islip, NY the day's answers
Every answer in words
- August 2026 brought 7.94 in of precipitation in Islip, NY, the wettest August since 2014, 6th wettest of 63.
- The hottest day of August 2026 in Islip, NY: 91°F on Friday 7 August 2026.
- The coldest night of August 2026 in Islip, NY: a low of 60°F on Tuesday 25 August 2026.
- The wettest day of August 2026 in Islip, NY: 3.27 in on Thursday 20 August 2026.