Saint John climate

Saint John Weather in June

NASA POWER reanalysis for the half-degree grid cell around Saint John, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 18°C on June 1 to 22°C on June 30, and lows from 7°C to 12°C. Normal precipitation for the month is 99 mm over about 15 wet days.

June day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Saint John, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

June at a glance

Average high
20°C
Average low
10°C
Precipitation
99 mm
Reanalysis high
30°CJun 15, 2001
Reanalysis low
1°CJun 4, 2018
Daylight
15 h 25 min to 15 h 36 min
Cloud cover
67%
Humidity
83%
Dew point
12°C
Wind
8.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jun 118°C7°C27°C 20133°C 202044%
Jun 218°C8°C24°C 20062°C 202043%
Jun 318°C8°C21°C 19993°C 201842%
Jun 418°C8°C24°C 20051°C 201842%
Jun 518°C8°C21°C 20204°C 201844%
Jun 618°C8°C22°C 20063°C 201846%
Jun 719°C8°C26°C 19994°C 199345%
Jun 819°C9°C25°C 20084°C 200246%
Jun 919°C9°C28°C 20045°C 199844%
Jun 1019°C9°C25°C 19976°C 199945%
Jun 1119°C9°C27°C 19964°C 200044%
Jun 1219°C9°C27°C 20175°C 200044%
Jun 1320°C10°C27°C 20055°C 200242%
Jun 1420°C10°C25°C 20016°C 201841%
Jun 1520°C10°C30°C 20015°C 201842%
Jun 1620°C10°C25°C 20186°C 199243%
Jun 1720°C10°C26°C 19946°C 200244%
Jun 1821°C10°C27°C 20107°C 201245%
Jun 1921°C11°C29°C 19957°C 200546%
Jun 2021°C11°C29°C 20207°C 200546%
Jun 2121°C11°C27°C 20125°C 199646%
Jun 2221°C11°C27°C 20205°C 199646%
Jun 2322°C11°C26°C 20207°C 199648%
Jun 2422°C12°C26°C 19958°C 199350%
Jun 2522°C12°C29°C 20058°C 201850%
Jun 2622°C12°C29°C 20036°C 201851%
Jun 2722°C12°C30°C 20017°C 199551%
Jun 2822°C12°C28°C 19919°C 199652%
Jun 2922°C12°C28°C 19979°C 199652%
Jun 3022°C12°C29°C 19978°C 200450%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Saint John, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (ADT).

June 1
sunrise 5:40 AM, sunset 9:05 PM
June 30
sunrise 5:40 AM, sunset 9:16 PM

Every day of June: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.