Lyndon climate

Lyndon Weather in August

NOAA 1991-2020 normals for Saint Johnsbury, 10.5 km from Lyndon

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 58°F to 54°F. Normal precipitation for the month is 3.94 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 Lyndon, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
57°F
Precipitation
3.94 in
Record high
90°FAug 12, 2025
Record low
39°FAug 28, 2009
Chance of a freeze
0%
Days of 90°F or more
1.0
Daylight
14 h 38 min to 13 h 16 min
Cloud cover
61%
Humidity
84%
Dew point
58°F
Wind
3.6 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 181°F58°F82°F 201746°F 201043%0%
Aug 281°F58°F84°F 201145°F 202343%0%
Aug 381°F58°F86°F 202447°F 202142%0%
Aug 481°F58°F87°F 202449°F 200942%0%
Aug 580°F58°F87°F 201246°F 201942%0%
Aug 680°F58°F84°F 201845°F 201342%0%
Aug 780°F58°F86°F 201842°F 201041%0%
Aug 880°F58°F87°F 202244°F 200941%0%
Aug 980°F58°F87°F 202248°F 200941%0%
Aug 1080°F58°F84°F 202549°F 200841%0%
Aug 1180°F57°F87°F 202545°F 201941%0%
Aug 1280°F57°F90°F 202548°F 201340%0%
Aug 1380°F57°F90°F 202550°F 202240%0%
Aug 1480°F57°F88°F 202549°F 202240%0%
Aug 1580°F57°F84°F 200946°F 201340%0%
Aug 1680°F57°F85°F 200946°F 201339%0%
Aug 1780°F57°F85°F 200948°F 200839%0%
Aug 1879°F57°F88°F 200943°F 202539%0%
Aug 1979°F56°F85°F 201545°F 201239%0%
Aug 2079°F56°F85°F 201543°F 200839%0%
Aug 2179°F56°F84°F 202242°F 200838%0%
Aug 2279°F56°F86°F 202146°F 201038%0%
Aug 2379°F56°F82°F 201346°F 201138%0%
Aug 2479°F56°F83°F 202545°F 201338%0%
Aug 2579°F56°F83°F 202146°F 201737%0%
Aug 2678°F55°F85°F 202143°F 200837%0%
Aug 2778°F55°F88°F 202141°F 200937%0%
Aug 2878°F55°F81°F 201239°F 200937%0%
Aug 2978°F55°F84°F 201842°F 200937%0%
Aug 3078°F54°F87°F 201845°F 201237%0%
Aug 3177°F54°F86°F 202245°F 202537%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lyndon, 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 5:35 AM, sunset 8:13 PM
August 31
sunrise 6:10 AM, sunset 7:26 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00437054 (Saint Johnsbury), public domain. Records: NOAA GHCN-Daily, station USC00438169, 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.