Ashmont climate

Ashmont Weather in August

NOAA 1991-2020 normals for Blue Hill Coop, 8.7 km from Ashmont

Average highs run from 82°F on August 1 to 78°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.91 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 Ashmont, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
63°F
Precipitation
3.91 in
Record high
102°FAug 2, 1975
Record low
46°FAug 25, 1940
Chance of a freeze
0%
Days of 90°F or more
2.6
Daylight
14 h 27 min to 13 h 11 min
Cloud cover
51%
Humidity
73%
Dew point
60°F
Wind
4.3 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°F64°F98°F 195555°F 196435%0%
Aug 282°F64°F102°F 197554°F 194735%0%
Aug 382°F64°F96°F 195755°F 195335%0%
Aug 482°F64°F98°F 202254°F 196435%0%
Aug 582°F64°F100°F 195554°F 197234%0%
Aug 681°F64°F97°F 202254°F 195134%0%
Aug 781°F64°F98°F 202255°F 196434%0%
Aug 881°F64°F98°F 202257°F 195034%0%
Aug 981°F64°F99°F 194957°F 196434%0%
Aug 1081°F63°F101°F 194953°F 196434%0%
Aug 1181°F63°F99°F 194456°F 200734%0%
Aug 1281°F63°F101°F 194456°F 195434%0%
Aug 1381°F63°F100°F 194454°F 194134%0%
Aug 1481°F63°F101°F 200252°F 196434%0%
Aug 1581°F63°F98°F 194452°F 196433%0%
Aug 1680°F63°F97°F 194455°F 196433%0%
Aug 1780°F63°F97°F 194455°F 196133%0%
Aug 1880°F63°F95°F 200254°F 194133%0%
Aug 1980°F63°F95°F 201956°F 195832%0%
Aug 2080°F62°F98°F 193754°F 194932%0%
Aug 2180°F62°F97°F 195554°F 194032%0%
Aug 2280°F62°F93°F 195551°F 198232%0%
Aug 2379°F62°F92°F 194753°F 198831%0%
Aug 2479°F62°F96°F 194751°F 194031%0%
Aug 2579°F62°F96°F 194846°F 194031%0%
Aug 2679°F61°F99°F 194850°F 194231%0%
Aug 2779°F61°F100°F 194852°F 194031%0%
Aug 2879°F61°F99°F 194850°F 198630%0%
Aug 2978°F61°F98°F 201847°F 198630%0%
Aug 3078°F61°F99°F 197348°F 196530%0%
Aug 3178°F60°F97°F 195347°F 196530%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ashmont, 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 5:37 AM, sunset 8:04 PM
August 31
sunrise 6:09 AM, sunset 7:20 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00190736 (Blue Hill Coop), public domain. Records: NOAA GHCN-Daily, station USW00014739, 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.