Dover climate

Dover Weather in August

NOAA 1991-2020 normals for Dover 1 W, 2.3 km from Dover

Average highs run from 88°F on August 1 to 86°F on August 31, and lows from 69°F to 65°F. Normal precipitation for the month is 3.77 in over about 7 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 Dover, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
88°F
Average low
68°F
Precipitation
3.77 in
Record high
107°FAug 16, 2007
Record low
48°FAug 15, 2004
Chance of a freeze
0%
Days of 90°F or more
11.4
Daylight
13 h 59 min to 12 h 59 min
Cloud cover
50%
Humidity
67%
Dew point
66°F
Wind
4.9 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 188°F69°F97°F 200759°F 200423%0%
Aug 288°F69°F98°F 201259°F 201323%0%
Aug 388°F69°F104°F 201158°F 202123%0%
Aug 488°F69°F101°F 201057°F 201723%0%
Aug 588°F69°F98°F 200752°F 201723%0%
Aug 688°F69°F100°F 200756°F 200423%0%
Aug 788°F69°F101°F 200752°F 200423%0%
Aug 888°F69°F102°F 200754°F 200223%0%
Aug 988°F69°F105°F 200756°F 200223%0%
Aug 1088°F69°F98°F 200558°F 200823%0%
Aug 1188°F68°F100°F 200757°F 200823%0%
Aug 1288°F68°F101°F 200754°F 201223%0%
Aug 1388°F68°F100°F 200551°F 200423%0%
Aug 1488°F68°F100°F 200749°F 200423%0%
Aug 1588°F68°F105°F 200748°F 200423%0%
Aug 1688°F68°F107°F 200749°F 200422%0%
Aug 1788°F68°F99°F 200751°F 200422%0%
Aug 1888°F68°F100°F 200755°F 200822%0%
Aug 1988°F68°F101°F 202559°F 202322%0%
Aug 2088°F68°F99°F 200757°F 200122%0%
Aug 2188°F67°F100°F 200754°F 201522%0%
Aug 2288°F67°F102°F 200756°F 200422%0%
Aug 2388°F67°F103°F 200755°F 201822%0%
Aug 2487°F67°F102°F 200755°F 200622%0%
Aug 2587°F67°F98°F 200750°F 201522%0%
Aug 2687°F67°F98°F 202452°F 201522%0%
Aug 2787°F66°F98°F 200750°F 202522%0%
Aug 2887°F66°F100°F 202454°F 201522%0%
Aug 2987°F66°F102°F 202455°F 201922%0%
Aug 3087°F66°F94°F 201358°F 201922%0%
Aug 3186°F65°F95°F 201154°F 200922%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dover, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:58 AM, sunset 7:57 PM
August 31
sunrise 6:22 AM, sunset 7:21 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00402589 (Dover 1 W), public domain. Records: NOAA GHCN-Daily, station USW00003894, 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.