Riverdale climate

Riverdale Weather in August

NOAA 1991-2020 normals for Bronx, 8.6 km from Riverdale

Average highs run from 86°F on August 1 to 82°F on August 31, and lows from 71°F to 67°F. Normal precipitation for the month is 4.82 in over about 11 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 Riverdale, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
69°F
Precipitation
4.82 in
Record high
102°FAug 9, 2001
Record low
43°FAug 29, 1982
Chance of a freeze
0%
Days of 90°F or more
6.4
Daylight
14 h 19 min to 13 h 08 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 186°F71°F99°F 199959°F 199233%0%
Aug 286°F71°F101°F 200654°F 199233%0%
Aug 386°F71°F98°F 197557°F 197633%0%
Aug 486°F71°F96°F 200558°F 198533%0%
Aug 586°F70°F98°F 200558°F 197234%0%
Aug 686°F70°F96°F 201853°F 199234%0%
Aug 785°F70°F98°F 200153°F 199434%0%
Aug 885°F70°F98°F 200153°F 199434%0%
Aug 985°F70°F102°F 200156°F 199434%0%
Aug 1085°F70°F98°F 200157°F 200734%0%
Aug 1185°F70°F98°F 201648°F 197234%0%
Aug 1285°F70°F97°F 200556°F 197934%0%
Aug 1385°F70°F102°F 200556°F 197934%0%
Aug 1485°F70°F99°F 200554°F 198334%0%
Aug 1584°F69°F97°F 198853°F 201334%0%
Aug 1684°F69°F95°F 199753°F 199433%0%
Aug 1784°F69°F94°F 200953°F 197933%0%
Aug 1884°F69°F97°F 201953°F 198133%0%
Aug 1984°F69°F93°F 201954°F 197733%0%
Aug 2084°F69°F93°F 200953°F 199233%0%
Aug 2184°F69°F96°F 198349°F 199232%0%
Aug 2283°F68°F96°F 197646°F 198232%0%
Aug 2383°F68°F91°F 199654°F 199432%0%
Aug 2483°F68°F94°F 196950°F 199432%0%
Aug 2583°F68°F94°F 196948°F 198731%0%
Aug 2683°F68°F94°F 202151°F 200531%0%
Aug 2782°F68°F95°F 198056°F 201031%0%
Aug 2882°F67°F99°F 197351°F 198631%0%
Aug 2982°F67°F95°F 197343°F 198230%0%
Aug 3082°F67°F97°F 197346°F 198630%0%
Aug 3182°F67°F96°F 197343°F 197630%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Riverdale, 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 8:11 PM
August 31
sunrise 6:22 AM, sunset 7:30 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00300961 (Bronx), public domain. Records: NOAA GHCN-Daily, station USW00094741, 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.