Williston climate

Williston Weather in August

NOAA 1991-2020 normals for Burlington Intl AP, 7.3 km from Williston

Average highs run from 82°F on August 1 to 78°F on August 31, and lows from 62°F to 58°F. Normal precipitation for the month is 3.54 in over about 12 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 Williston, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
61°F
Precipitation
3.54 in
Record high
101°FAug 11, 1944
Record low
35°FAug 31, 1965
Chance of a freeze
0%
Days of 90°F or more
1.6
Daylight
14 h 38 min to 13 h 16 min
Cloud cover
61%
Humidity
76%
Dew point
59°F
Wind
4.5 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 182°F62°F98°F 197543°F 195340%0%
Aug 282°F62°F99°F 197544°F 195340%0%
Aug 382°F62°F97°F 198842°F 196440%0%
Aug 482°F62°F95°F 194446°F 197240%0%
Aug 582°F62°F95°F 195543°F 197240%0%
Aug 682°F62°F95°F 201844°F 196439%0%
Aug 782°F62°F95°F 200140°F 196439%0%
Aug 882°F62°F97°F 194948°F 195439%0%
Aug 982°F62°F99°F 200146°F 196039%0%
Aug 1082°F62°F97°F 194947°F 196439%0%
Aug 1181°F62°F101°F 194446°F 194138%0%
Aug 1281°F62°F98°F 202547°F 195038%0%
Aug 1381°F61°F97°F 194745°F 195738%0%
Aug 1481°F61°F96°F 194447°F 194138%0%
Aug 1581°F61°F97°F 194446°F 195038%0%
Aug 1681°F61°F96°F 194443°F 197237%0%
Aug 1781°F61°F95°F 198742°F 196137%0%
Aug 1881°F61°F93°F 200240°F 194137%0%
Aug 1981°F61°F90°F 201540°F 196337%0%
Aug 2080°F60°F92°F 202242°F 195337%0%
Aug 2180°F60°F93°F 194543°F 194137%0%
Aug 2280°F60°F90°F 194239°F 198236%0%
Aug 2380°F60°F93°F 194743°F 198836%0%
Aug 2480°F60°F97°F 194741°F 194236%0%
Aug 2580°F59°F97°F 194738°F 194236%0%
Aug 2679°F59°F96°F 194840°F 198736%0%
Aug 2779°F59°F95°F 194840°F 196935%0%
Aug 2879°F59°F94°F 195239°F 195735%0%
Aug 2979°F59°F97°F 201839°F 194135%0%
Aug 3079°F58°F93°F 199139°F 196535%0%
Aug 3178°F58°F92°F 201035°F 196535%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Williston, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:39 AM, sunset 8:17 PM
August 31
sunrise 6:14 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 USW00014742 (Burlington Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00014742, 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.