Suffern climate

Suffern Weather in August

NOAA 1991-2020 normals for Wanaque Raymond Dam, 14.3 km from Suffern

Average highs run from 84°F on August 1 to 81°F on August 31, and lows from 64°F to 61°F. Normal precipitation for the month is 4.57 in over about 10 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Suffern, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
63°F
Precipitation
4.57 in
Record high
101°FAug 9, 2001
Record low
48°FAug 21, 2000
Chance of a freeze
0%
Days of 90°F or more
3.5
Daylight
14 h 21 min to 13 h 09 min
Cloud cover
56%
Humidity
73%
Dew point
63°F
Wind
5.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 184°F64°F98°F 199960°F 202135%0%
Aug 284°F64°F98°F 200257°F 202335%0%
Aug 384°F64°F98°F 200657°F 202535%0%
Aug 484°F64°F98°F 200559°F 201334%0%
Aug 584°F64°F96°F 200555°F 201334%0%
Aug 684°F64°F94°F 200156°F 201334%0%
Aug 784°F64°F96°F 200152°F 200434%0%
Aug 884°F64°F98°F 200153°F 200434%0%
Aug 984°F64°F101°F 200155°F 200234%0%
Aug 1084°F64°F94°F 200155°F 199933%0%
Aug 1183°F64°F95°F 200555°F 200733%0%
Aug 1283°F63°F97°F 200254°F 200633%0%
Aug 1383°F63°F100°F 200551°F 200633%0%
Aug 1483°F63°F98°F 200255°F 200633%0%
Aug 1583°F63°F94°F 200252°F 201332%0%
Aug 1683°F63°F93°F 201553°F 201432%0%
Aug 1783°F63°F96°F 201556°F 200432%0%
Aug 1883°F63°F97°F 200257°F 200032%0%
Aug 1983°F63°F95°F 201954°F 200031%0%
Aug 2083°F63°F92°F 202250°F 200831%0%
Aug 2183°F63°F93°F 200548°F 200031%0%
Aug 2282°F62°F92°F 201951°F 200430%0%
Aug 2382°F62°F90°F 202053°F 200430%0%
Aug 2482°F62°F92°F 202051°F 200329%0%
Aug 2582°F62°F94°F 202155°F 200529%0%
Aug 2682°F62°F95°F 202153°F 200829%0%
Aug 2782°F62°F95°F 202053°F 200828%0%
Aug 2882°F62°F95°F 201850°F 202528%0%
Aug 2981°F61°F94°F 201853°F 201428%0%
Aug 3081°F61°F91°F 202254°F 201228%0%
Aug 3181°F61°F95°F 201055°F 200228%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Suffern, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:52 AM, sunset 8:13 PM
August 31
sunrise 6:22 AM, sunset 7:31 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00289187 (Wanaque Raymond Dam), public domain. Records: NOAA GHCN-Daily, station USW00054743, 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.