Halifax climate

Halifax Weather in May

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

Average highs run from 9°C on May 1 to 14°C on May 31, and lows from 3°C to 7°C. Normal precipitation for the month is 93 mm over about 12 wet days.

May day by day

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

Normal daily high and low temperature at Halifax, in °C, with the record for each date.-50510152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
12°C
Average low
5°C
Precipitation
93 mm
Reanalysis high
23°CMay 22, 1992
Reanalysis low
-1°CMay 19, 1991
Daylight
14 h 15 min to 15 h 19 min
Cloud cover
70%
Humidity
85%
Dew point
6°C
Wind
13.0 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
May 19°C3°C14°C 1999-1°C 200145%
May 210°C3°C13°C 20180°C 201544%
May 310°C3°C14°C 19961°C 199346%
May 410°C3°C16°C 20010°C 200347%
May 510°C4°C15°C 2006-1°C 199245%
May 610°C4°C15°C 1999-1°C 199742%
May 710°C4°C16°C 19990°C 199242%
May 811°C4°C16°C 20010°C 199242%
May 911°C4°C17°C 2007-1°C 199641%
May 1011°C4°C18°C 2007-1°C 199340%
May 1111°C4°C15°C 20140°C 199242%
May 1211°C4°C20°C 20011°C 199242%
May 1311°C5°C14°C 20000°C 200543%
May 1411°C5°C15°C 20101°C 200542%
May 1512°C5°C16°C 20152°C 200340%
May 1612°C5°C16°C 19980°C 200340%
May 1712°C5°C16°C 20172°C 199840%
May 1812°C5°C22°C 20170°C 199138%
May 1912°C5°C19°C 2017-1°C 199138%
May 2012°C5°C20°C 20032°C 202038%
May 2112°C6°C19°C 20162°C 200240%
May 2213°C6°C23°C 19922°C 200740%
May 2313°C6°C19°C 20121°C 199140%
May 2413°C6°C20°C 20103°C 199740%
May 2513°C6°C22°C 19913°C 200140%
May 2613°C7°C20°C 20013°C 200440%
May 2713°C7°C18°C 20063°C 199639%
May 2813°C7°C20°C 20163°C 199539%
May 2914°C7°C19°C 20063°C 201440%
May 3014°C7°C19°C 20134°C 200041%
May 3114°C7°C21°C 20135°C 199642%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Halifax, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (ADT).

May 1
sunrise 6:04 AM, sunset 8:19 PM
May 31
sunrise 5:33 AM, sunset 8:52 PM

Every day of May: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.