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

Olean in April has a normal high of 57°F and a normal low of 32°F, a daily mean of 45°F, rising from 50°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 15 days in a normal April, 3.35 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 14°C and low of 0°C, 85 mm of precipitation and 5 cm of snow in April.

  • 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 April?

The normal high is 57°F and the normal low 32°F, for a daily mean of 44.5°F. April is 12.4°F warmer than March and 11.5°F cooler than May. April is the 7th warmest month of the year in Olean and the 7th wettest. Across the month the normal high rises 13°F, from 50°F on April 1 to 63°F on April 30. From one year to the next April's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 42°F and 47°F.

Olean in April, 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 49%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 150°F26°F48%26%
April 853°F29°F48%27%
April 1556°F32°F48%27%
April 2260°F35°F49%28%
April 3063°F38°F48%28%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Olean: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 150°F26°F48%26%12 h 40 min
April 250°F27°F48%26%12 h 40 min
April 351°F27°F48%26%12 h 50 min
April 451°F28°F48%26%12 h 50 min
April 552°F28°F48%26%12 h 50 min
April 652°F28°F48%26%12 h 50 min
April 753°F29°F48%27%13 h
April 853°F29°F48%27%13 h
April 953°F30°F48%27%13 h
April 1054°F30°F48%27%13 h
April 1154°F31°F48%27%13 h 10 min
April 1255°F31°F48%27%13 h 10 min
April 1355°F31°F48%27%13 h 10 min
April 1456°F32°F48%27%13 h 20 min
April 1556°F32°F48%27%13 h 20 min
April 1657°F33°F48%28%13 h 20 min
April 1757°F33°F48%28%13 h 20 min
April 1858°F34°F48%28%13 h 30 min
April 1958°F34°F48%28%13 h 30 min
April 2059°F34°F48%28%13 h 30 min
April 2159°F35°F48%28%13 h 30 min
April 2260°F35°F49%28%13 h 40 min
April 2360°F36°F49%28%13 h 40 min
April 2461°F36°F48%28%13 h 40 min
April 2561°F36°F48%28%13 h 50 min
April 2661°F37°F48%28%13 h 50 min
April 2762°F37°F48%28%13 h 50 min
April 2862°F38°F48%28%13 h 50 min
April 2963°F38°F48%28%14 h
April 3063°F38°F48%28%14 h
Normal high
57°FApril average
Normal low
32°FApril average
Precipitation
3.35 inmonth total
Days with precipitation
150.01 inch or more
Snowfall
1.8 inmonth total
Nights at 32°F or colder
16
Daylight
12 h 40 min to 14 hApril 1 to April 30
Days at 70°F or more
4
Sunshine
64%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 or snow in Olean in April?

On a given April day the chance of 0.01 inch or more is 48% on average, highest around April 22 (49%). In all, 3.35 in falls on 15 days of a normal April.

In a normal April in Olean, 16 nights fall to freezing and snowfall averages 1.8 inches.

Snow falls on 2 days in a normal April, and an inch or more covers the ground on 2 days.

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

What are the records for April in Olean?

The April mean against the 1991-2020 normal of 44.5°F: 2021 46.2°F (+1.7), 2022 43.8°F (−0.7), 2023 48.8°F (+4.3), 2024 46.5°F (+2.0), 2025 46.2°F (+1.7), 2026 50.4°F (+5.9). 5 of 6 ran warmer than normal.

Olean: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202146.2°F+1.7°F3.84 in
202243.8°F−0.7°F3.37 in
202348.8°F+4.3°F2.49 in
202446.5°F+2.0°F5.95 in
202546.2°F+1.7°F3.62 in
202650.4°F+5.9°F5.58 in

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

How does April in Olean compare across New York?

Across the 131 places PlainClimate covers in New York, April normal highs run from 48°F in Cooperstown to 64°F in Mount Sinai; Olean's is 57°F.

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

Other months and places