Massena weather in August: Massena, New York: normal highs, lows, rain and records for August

Massena in August has a normal high of 79°F and a normal low of 56°F, a daily mean of 68°F, falling from 80°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 3.36 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 13°C, 85 mm of precipitation in August.

  • NOAA stationMassena International Airport
  • Station IDUSW00094725
  • Location44.94°N 74.85°W
  • Elevation214 ft (65 m)
  • From the center2 miles
  • Population9,998
  1. Jan 25° 6°
  2. Feb 28° 7°
  3. Mar 38° 19°
  4. Apr 54° 32°
  5. May 68° 44°
  6. Jun 76° 53°
  7. Jul 81° 58°
  8. Aug 79° 56°
  9. Sep 71° 48°
  10. Oct 58° 37°
  11. Nov 45° 27°
  12. Dec 32° 16°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Massena in August?

The normal high is 79°F and the normal low 56°F, for a daily mean of 67.5°F. August is 2.0°F cooler than July and 8.0°F warmer than September. August is the 2nd warmest month of the year in Massena and the 5th wettest. Across the month the normal high falls 3°F, from 80°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 66°F and 69°F.

Massena in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 180°F58°F38%21%
August 880°F58°F36%21%
August 1579°F57°F35%21%
August 2278°F55°F34%21%
August 3177°F53°F34%22%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Massena: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 180°F58°F38%21%14 h 40 min
August 280°F58°F38%21%14 h 40 min
August 380°F58°F37%21%14 h 40 min
August 480°F58°F37%21%14 h 40 min
August 580°F58°F37%21%14 h 30 min
August 680°F58°F37%21%14 h 30 min
August 780°F58°F37%21%14 h 30 min
August 880°F58°F36%21%14 h 30 min
August 980°F58°F36%21%14 h 20 min
August 1080°F57°F36%21%14 h 20 min
August 1180°F57°F36%21%14 h 20 min
August 1280°F57°F36%21%14 h 20 min
August 1379°F57°F35%21%14 h 10 min
August 1479°F57°F35%21%14 h 10 min
August 1579°F57°F35%21%14 h 10 min
August 1679°F57°F35%21%14 h 10 min
August 1779°F56°F35%21%14 h
August 1879°F56°F35%21%14 h
August 1979°F56°F34%21%14 h
August 2079°F56°F34%21%13 h 50 min
August 2179°F56°F34%21%13 h 50 min
August 2278°F55°F34%21%13 h 50 min
August 2378°F55°F34%21%13 h 50 min
August 2478°F55°F34%21%13 h 40 min
August 2578°F55°F34%21%13 h 40 min
August 2678°F54°F34%21%13 h 40 min
August 2778°F54°F34%21%13 h 30 min
August 2877°F54°F34%21%13 h 30 min
August 2977°F54°F34%21%13 h 30 min
August 3077°F53°F34%21%13 h 20 min
August 3177°F53°F34%22%13 h 20 min
Normal high
79°FAugust average
Normal low
56°FAugust average
Precipitation
3.36 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
1
Daylight
14 h 40 min to 13 h 20 minAugust 1 to August 31
Days at 70°F or more
29
Days at 80°F or more
15
Sunshine
74%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094725; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Massena in August?

On a given August day the chance of 0.01 inch or more is 35% on average, highest around August 1 (38%). In all, 3.36 in falls on 11 days of a normal August, 1 of them with an inch or more.

In a normal August in Massena, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094725.

How humid and windy is Massena in August?

At 3 p.m. the normal temperature is 75°F with 54% relative humidity and a dew point of 57°F; at 6 a.m. it is 57°F with 90% humidity. The wind averages 5.9 mph, most often from the west in the afternoon.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.57°F54°F90%3.8 mph58%
9 a.m.67°F58°F73%7.7 mph61%
noon73°F58°F59%9.1 mph53%
3 p.m.75°F57°F54%9.2 mph52%
6 p.m.71°F58°F64%5.9 mph60%
9 p.m.63°F58°F83%3.7 mph64%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094725. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Massena?

The warmest August temperature on this station's record (since 1948) is 100°F, on August 1, 1975; the coldest is 35°F, on August 31, 1965. The wettest August brought 7.68 in (1965).

The August mean against the 1991-2020 normal of 67.5°F: 2021 71.3°F (+3.8), 2022 68.8°F (+1.3), 2023 65.8°F (−1.7), 2024 68.2°F (+0.7), 2025 66.8°F (−0.7), 2026 67.9°F (+0.4). 4 of 6 ran warmer than normal.

Massena: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202171.3°F+3.8°F2.68 in
202268.8°F+1.3°F1.35 in
202365.8°F−1.7°F3.66 in
202468.2°F+0.7°F7.19 in
202566.8°F−0.7°F1.43 in
202667.9°F+0.4°F4.02 in

Source: records: ACIS, station USW00094725; recent months: ACIS, station USW00094725. Records and recent months use complete months only.

How does August in Massena compare across New York?

Across the 131 places PlainClimate covers in New York, August normal highs run from 71°F in Cooperstown to 85°F in Mineola; Massena's is 79°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places