Saint John climate

Saint John Weather in July

NOAA 1991-2020 normals for St John, 0.5 km from Saint John

Average highs run from 78°F on July 1 to 87°F on July 31, and lows from 52°F to 56°F. Normal precipitation for the month is 0.43 in over about 3 wet days.

July day by day

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

Normal daily high and low temperature at Saint John, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
54°F
Precipitation
0.43 in
Record high
104°FJul 31, 2021
Record low
33°FJul 11, 2008
Chance of a freeze
0%
Days of 90°F or more
11.6
Daylight
15 h 50 min to 14 h 56 min
Cloud cover
38%
Humidity
52%
Dew point
49°F
Wind
7.4 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 178°F52°F96°F 201339°F 200917%0%
Jul 279°F52°F96°F 201536°F 199916%0%
Jul 379°F52°F97°F 201534°F 199916%0%
Jul 480°F53°F95°F 201536°F 199915%0%
Jul 580°F53°F100°F 200740°F 201215%0%
Jul 681°F53°F96°F 201742°F 199915%0%
Jul 781°F53°F95°F 201742°F 201014%0%
Jul 881°F53°F97°F 201239°F 200414%0%
Jul 982°F54°F97°F 202439°F 200914%0%
Jul 1082°F54°F97°F 202441°F 200013%0%
Jul 1183°F54°F95°F 200233°F 200813%0%
Jul 1283°F54°F95°F 200741°F 200813%0%
Jul 1383°F54°F98°F 200240°F 202013%0%
Jul 1484°F54°F97°F 200438°F 201012%0%
Jul 1584°F55°F94°F 200539°F 200012%0%
Jul 1684°F55°F98°F 201436°F 200012%0%
Jul 1785°F55°F93°F 201841°F 200512%0%
Jul 1885°F55°F95°F 200343°F 199911%0%
Jul 1985°F55°F96°F 200341°F 199911%0%
Jul 2085°F55°F97°F 202440°F 201911%0%
Jul 2186°F55°F101°F 202444°F 200411%0%
Jul 2286°F56°F100°F 200643°F 201111%0%
Jul 2386°F56°F101°F 200641°F 201111%0%
Jul 2486°F56°F98°F 200641°F 200810%0%
Jul 2586°F56°F95°F 199843°F 201410%0%
Jul 2686°F56°F98°F 199842°F 200510%0%
Jul 2786°F56°F99°F 199839°F 202410%0%
Jul 2886°F56°F98°F 201443°F 200410%0%
Jul 2987°F56°F99°F 201442°F 201210%0%
Jul 3087°F56°F101°F 202141°F 200810%0%
Jul 3187°F56°F104°F 202140°F 200610%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Saint John, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

July 1
sunrise 4:59 AM, sunset 8:49 PM
July 31
sunrise 5:28 AM, sunset 8:24 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00457267 (St John), public domain. Records: NOAA GHCN-Daily, station USW00094129, 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.