Saint John’s climate

Saint John’s Weather in March

NASA POWER reanalysis for the half-degree grid cell around Saint 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 26°C on March 1 to 27°C on March 31, and lows from 25°C to 25°C. Normal precipitation for the month is 34 mm over about 9 wet days.

March day by day

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

Normal daily high and low temperature at Saint John’s, in °C, with the record for each date.2224262830151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

March at a glance

Average high
26°C
Average low
25°C
Precipitation
34 mm
Reanalysis high
28°CMar 6, 2010
Reanalysis low
23°CMar 3, 2000
Daylight
11 h 49 min to 12 h 17 min
Cloud cover
39%
Humidity
75%
Dew point
21°C
Wind
23.8 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 126°C25°C28°C 201023°C 200033%
Mar 226°C25°C28°C 201023°C 200035%
Mar 326°C25°C28°C 201023°C 200036%
Mar 426°C25°C28°C 201023°C 200036%
Mar 526°C25°C28°C 201023°C 199335%
Mar 626°C25°C28°C 201024°C 199334%
Mar 726°C25°C28°C 201023°C 199935%
Mar 826°C25°C27°C 200624°C 200934%
Mar 926°C25°C28°C 201024°C 200034%
Mar 1026°C25°C27°C 201024°C 200033%
Mar 1126°C25°C27°C 201024°C 201133%
Mar 1226°C25°C27°C 200524°C 199534%
Mar 1326°C25°C27°C 200724°C 199433%
Mar 1426°C25°C28°C 201024°C 199532%
Mar 1526°C25°C28°C 201023°C 199532%
Mar 1626°C25°C28°C 201024°C 199530%
Mar 1726°C25°C28°C 201024°C 200830%
Mar 1826°C25°C28°C 201024°C 200830%
Mar 1926°C25°C28°C 201024°C 200029%
Mar 2026°C25°C28°C 201024°C 200030%
Mar 2126°C25°C28°C 201023°C 200030%
Mar 2226°C25°C28°C 201023°C 200031%
Mar 2326°C25°C28°C 201023°C 200032%
Mar 2426°C25°C28°C 201024°C 200032%
Mar 2526°C25°C28°C 200524°C 200032%
Mar 2626°C25°C28°C 200524°C 200933%
Mar 2726°C25°C27°C 201023°C 200932%
Mar 2826°C25°C28°C 201724°C 200933%
Mar 2927°C25°C28°C 200524°C 200934%
Mar 3027°C25°C28°C 201024°C 199333%
Mar 3127°C25°C28°C 201024°C 199732%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Saint John’s, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (AST).

March 1
sunrise 6:25 AM, sunset 6:14 PM
March 31
sunrise 6:03 AM, sunset 6:20 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.