Peconic climate

Peconic Weather in July

NOAA 1991-2020 normals for Mattituck, 7.7 km from Peconic

Average highs run from 80°F on July 1 to 83°F on July 31, and lows from 63°F to 66°F. Normal precipitation for the month is 3.08 in.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Peconic, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
82°F
Average low
65°F
Precipitation
3.08 in
Record high
102°FJul 21, 1991
Record low
45°FJul 3, 2010
Chance of a freeze
0%
Days of 90°F or more
3.4
Daylight
15 h 05 min to 14 h 22 min
Cloud cover
57%
Humidity
80%
Dew point
66°F
Wind
8.5 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
Jul 180°F63°F94°F 196449°F 19880%
Jul 280°F63°F94°F 201248°F 19820%
Jul 380°F64°F95°F 200245°F 20100%
Jul 480°F64°F97°F 202650°F 19390%
Jul 581°F64°F99°F 199948°F 19820%
Jul 681°F64°F100°F 201049°F 19620%
Jul 781°F64°F92°F 199451°F 19650%
Jul 881°F64°F96°F 199350°F 20180%
Jul 981°F64°F96°F 199352°F 19490%
Jul 1081°F65°F100°F 199348°F 19830%
Jul 1182°F65°F92°F 199348°F 20090%
Jul 1282°F65°F92°F 199346°F 19450%
Jul 1382°F65°F94°F 199448°F 19330%
Jul 1482°F65°F96°F 199750°F 19990%
Jul 1582°F65°F96°F 199752°F 19990%
Jul 1682°F65°F92°F 199952°F 19540%
Jul 1782°F65°F96°F 199748°F 19460%
Jul 1882°F65°F95°F 199149°F 19460%
Jul 1982°F65°F93°F 197753°F 20000%
Jul 2083°F65°F99°F 199155°F 19430%
Jul 2183°F65°F102°F 199149°F 20000%
Jul 2283°F65°F98°F 201152°F 19440%
Jul 2383°F65°F96°F 199153°F 19740%
Jul 2483°F65°F93°F 202251°F 19850%
Jul 2583°F65°F93°F 198750°F 19920%
Jul 2683°F66°F95°F 200550°F 19920%
Jul 2783°F66°F94°F 196353°F 20170%
Jul 2883°F66°F94°F 194949°F 20010%
Jul 2983°F66°F94°F 202054°F 19840%
Jul 3083°F66°F93°F 194951°F 19680%
Jul 3183°F66°F94°F 200251°F 19320%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Peconic, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 5:21 AM, sunset 8:26 PM
July 31
sunrise 5:45 AM, sunset 8:07 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00305142 (Mattituck), public domain. Records: NOAA GHCN-Daily, station USC00300889, 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.