St. John's climate

St. John's Weather in March

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

Average highs run from 0°C on March 1 to 2°C on March 31, and lows from -4°C to -2°C. Normal precipitation for the month is 118 mm over about 17 wet days.

March day by day

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

Normal daily high and low temperature at St. John's, in °C, with the record for each date.-15-10-50510151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

March at a glance

Average high
0°C
Average low
-3°C
Precipitation
118 mm
Reanalysis high
7°CMar 11, 1994
Reanalysis low
-14°CMar 5, 2014
Daylight
11 h 05 min to 12 h 48 min
Cloud cover
78%
Humidity
87%
Dew point
-3°C
Wind
26.6 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
Mar 10°C-4°C4°C 1992-13°C 199252%
Mar 20°C-4°C5°C 2009-13°C 199251%
Mar 30°C-4°C5°C 1991-9°C 199452%
Mar 40°C-4°C5°C 2020-13°C 201452%
Mar 50°C-4°C4°C 1994-14°C 201453%
Mar 60°C-4°C4°C 2016-13°C 201453%
Mar 70°C-4°C3°C 2011-13°C 200354%
Mar 80°C-4°C4°C 2011-13°C 200354%
Mar 90°C-4°C7°C 2012-12°C 199753%
Mar 100°C-4°C5°C 1995-11°C 199753%
Mar 110°C-4°C7°C 1994-10°C 199752%
Mar 120°C-4°C5°C 1994-7°C 201753%
Mar 130°C-4°C4°C 2014-11°C 201553%
Mar 140°C-4°C5°C 1993-11°C 201554%
Mar 150°C-3°C4°C 2007-11°C 200355%
Mar 160°C-3°C4°C 2017-13°C 200355%
Mar 170°C-3°C4°C 1996-11°C 200354%
Mar 180°C-3°C4°C 2000-9°C 200354%
Mar 190°C-3°C5°C 1999-10°C 199254%
Mar 201°C-3°C5°C 1999-11°C 199254%
Mar 211°C-3°C5°C 2020-6°C 201553%
Mar 221°C-3°C5°C 1992-7°C 200752%
Mar 231°C-2°C5°C 2019-7°C 199354%
Mar 241°C-2°C4°C 1999-9°C 199354%
Mar 251°C-2°C4°C 1994-7°C 200854%
Mar 261°C-2°C6°C 2010-8°C 201754%
Mar 271°C-2°C7°C 1993-10°C 201754%
Mar 281°C-2°C6°C 1999-6°C 199655%
Mar 291°C-2°C5°C 1993-7°C 199655%
Mar 301°C-2°C5°C 2004-6°C 199555%
Mar 312°C-2°C5°C 1991-7°C 200854%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT-2:30).

March 1
sunrise 6:41 AM, sunset 5:46 PM
March 31
sunrise 6:41 AM, sunset 7:29 PM

Every day of March: 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.