Saint Helier Weather in March
Average highs run from 9°C on March 1 to 11°C on March 31, and lows from 6°C to 7°C. Normal precipitation for the month is 53 mm over about 12 wet days.
March day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
March at a glance
- Average high
- 10°C
- Average low
- 7°C
- Precipitation
- 53 mm
- Reanalysis high
- 16°CMar 30, 2019
- Reanalysis low
- -1°CMar 1, 2018
- Daylight
- 11 h 00 min to 12 h 50 min
- Cloud cover
- 72%
- Humidity
- 85%
- Dew point
- 6°C
- Wind
- 23.4 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Mar 1 | 9°C | 6°C | 12°C 1999 | -1°C 2018 | 48% |
| Mar 2 | 9°C | 6°C | 13°C 1999 | 1°C 2004 | 47% |
| Mar 3 | 9°C | 6°C | 13°C 1998 | 1°C 2013 | 46% |
| Mar 4 | 9°C | 6°C | 13°C 1992 | 1°C 2013 | 45% |
| Mar 5 | 9°C | 6°C | 12°C 2019 | 2°C 2010 | 45% |
| Mar 6 | 10°C | 6°C | 13°C 2019 | 2°C 2010 | 43% |
| Mar 7 | 10°C | 6°C | 13°C 1991 | 0°C 2010 | 41% |
| Mar 8 | 10°C | 6°C | 14°C 2014 | 1°C 2010 | 40% |
| Mar 9 | 10°C | 6°C | 15°C 2014 | 1°C 1993 | 38% |
| Mar 10 | 10°C | 6°C | 15°C 1997 | 2°C 2004 | 36% |
| Mar 11 | 10°C | 6°C | 16°C 1997 | 1°C 2013 | 34% |
| Mar 12 | 10°C | 7°C | 13°C 1991 | 1°C 2013 | 33% |
| Mar 13 | 10°C | 7°C | 16°C 1991 | 1°C 1996 | 32% |
| Mar 14 | 10°C | 7°C | 13°C 1993 | 1°C 2006 | 32% |
| Mar 15 | 10°C | 7°C | 14°C 1993 | 3°C 2003 | 33% |
| Mar 16 | 10°C | 7°C | 14°C 2004 | 3°C 2003 | 32% |
| Mar 17 | 11°C | 7°C | 13°C 2003 | 2°C 2006 | 32% |
| Mar 18 | 11°C | 7°C | 14°C 2005 | 2°C 2006 | 33% |
| Mar 19 | 11°C | 7°C | 16°C 2005 | 2°C 2018 | 33% |
| Mar 20 | 11°C | 7°C | 16°C 2005 | 3°C 2018 | 33% |
| Mar 21 | 11°C | 7°C | 14°C 2000 | 4°C 2006 | 35% |
| Mar 22 | 11°C | 7°C | 14°C 2012 | 3°C 2006 | 37% |
| Mar 23 | 11°C | 7°C | 16°C 2012 | 3°C 2006 | 38% |
| Mar 24 | 11°C | 7°C | 16°C 2012 | 5°C 2013 | 39% |
| Mar 25 | 11°C | 7°C | 16°C 2003 | 3°C 2020 | 39% |
| Mar 26 | 11°C | 7°C | 15°C 2003 | 3°C 2013 | 40% |
| Mar 27 | 11°C | 7°C | 16°C 2003 | 3°C 2013 | 41% |
| Mar 28 | 11°C | 7°C | 15°C 2011 | 2°C 2013 | 42% |
| Mar 29 | 11°C | 7°C | 15°C 2017 | 2°C 2013 | 41% |
| Mar 30 | 11°C | 7°C | 16°C 2019 | 2°C 2013 | 41% |
| Mar 31 | 11°C | 7°C | 15°C 1999 | 2°C 2013 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- March 1
- sunrise 6:51 AM, sunset 5:51 PM
- March 31
- sunrise 6:48 AM, sunset 7:38 PM
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.