Olean weather in August: Olean, New York: normal highs, lows, rain and records for August

Olean in August has a normal high of 79°F and a normal low of 55°F, a daily mean of 67°F, falling from 80°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 13 days in a normal August, 4.03 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 13°C, 102 mm of precipitation in August.

  • NOAA stationOlean
  • Station IDUSC00306196
  • Location42.07°N 78.45°W
  • Elevation1,420 ft (433 m)
  • From the center1 miles
  • Population13,614
  1. Jan 32° 13°
  2. Feb 34° 15°
  3. Mar 43° 21°
  4. Apr 57° 32°
  5. May 68° 44°
  6. Jun 76° 53°
  7. Jul 80° 57°
  8. Aug 79° 55°
  9. Sep 73° 49°
  10. Oct 60° 38°
  11. Nov 47° 29°
  12. Dec 37° 21°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Olean in August?

The normal high is 79°F and the normal low 55°F, for a daily mean of 67.0°F. August is 1.6°F cooler than July and 6.2°F warmer than September. August is the 2nd warmest month of the year in Olean and the 3rd wettest. Across the month the normal high falls 3°F, from 80°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 65°F and 69°F.

Olean in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 44%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 180°F57°F44%26%
August 880°F57°F44%26%
August 1579°F56°F43%25%
August 2278°F55°F41%24%
August 3177°F53°F40%23%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Olean: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 180°F57°F44%26%14 h 30 min
August 280°F57°F44%26%14 h 30 min
August 380°F57°F44%26%14 h 20 min
August 480°F57°F44%26%14 h 20 min
August 580°F57°F44%26%14 h 20 min
August 680°F57°F44%26%14 h 20 min
August 780°F57°F44%26%14 h 20 min
August 880°F57°F44%26%14 h 10 min
August 980°F56°F44%26%14 h 10 min
August 1079°F56°F43%26%14 h 10 min
August 1179°F56°F43%26%14 h 10 min
August 1279°F56°F43%25%14 h
August 1379°F56°F43%25%14 h
August 1479°F56°F43%25%14 h
August 1579°F56°F43%25%14 h
August 1679°F56°F42%25%13 h 50 min
August 1779°F55°F42%25%13 h 50 min
August 1879°F55°F42%25%13 h 50 min
August 1979°F55°F42%24%13 h 50 min
August 2078°F55°F41%24%13 h 40 min
August 2178°F55°F41%24%13 h 40 min
August 2278°F55°F41%24%13 h 40 min
August 2378°F54°F41%24%13 h 40 min
August 2478°F54°F41%24%13 h 30 min
August 2578°F54°F40%24%13 h 30 min
August 2678°F54°F40%24%13 h 30 min
August 2778°F54°F40%24%13 h 30 min
August 2877°F54°F40%24%13 h 20 min
August 2977°F53°F40%24%13 h 20 min
August 3077°F53°F40%24%13 h 20 min
August 3177°F53°F40%23%13 h 10 min
Normal high
79°FAugust average
Normal low
55°FAugust average
Precipitation
4.03 inmonth total
Days with precipitation
130.01 inch or more
Daylight
14 h 30 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
29
Days at 80°F or more
15
Sunshine
76%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00306196; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Olean in August?

On a given August day the chance of 0.01 inch or more is 42% on average, highest around August 4 (44%). In all, 4.03 in falls on 13 days of a normal August, 1 of them with an inch or more.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00306196.

What are the records for August in Olean?

The August mean against the 1991-2020 normal of 67.0°F: 2021 71.3°F (+4.3), 2022 68.6°F (+1.6), 2023 65.8°F (−1.2), 2024 67.1°F (+0.1), 2025 65.0°F (−2.0), 2026 67.1°F (+0.1). 4 of 6 ran warmer than normal.

Olean: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202171.3°F+4.3°F4.38 in
202268.6°F+1.6°F5.02 in
202365.8°F−1.2°F3.56 in
202467.1°F+0.1°F4.23 in
202565.0°F−2.0°F2.96 in
202667.1°F+0.1°F3.37 in

Source: recent months: ACIS, station USC00306196. Records and recent months use complete months only.

How does August in Olean compare across New York?

Across the 131 places PlainClimate covers in New York, August normal highs run from 71°F in Cooperstown to 85°F in Mineola; Olean's is 79°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places