Dorchester climate

Dorchester Weather in March

NASA POWER reanalysis for the half-degree grid cell around Dorchester, 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 March 1 to 10°C on March 31, and lows from 6°C to 7°C. Normal precipitation for the month is 65 mm over about 12 wet days.

March day by day

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

Normal daily high and low temperature at Dorchester, in °C, with the record for each date.-505101520151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

March at a glance

Average high
9°C
Average low
6°C
Precipitation
65 mm
Reanalysis high
15°CMar 28, 2012
Reanalysis low
-1°CMar 1, 2018
Daylight
10 h 57 min to 12 h 53 min
Cloud cover
73%
Humidity
87%
Dew point
6°C
Wind
25.6 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 19°C6°C12°C 2008-1°C 201849%
Mar 29°C6°C11°C 20082°C 200148%
Mar 39°C6°C12°C 19981°C 200547%
Mar 49°C6°C12°C 19981°C 201146%
Mar 59°C6°C11°C 20072°C 201146%
Mar 69°C6°C11°C 20071°C 200545%
Mar 79°C6°C12°C 20142°C 201044%
Mar 89°C6°C12°C 20002°C 201043%
Mar 99°C6°C12°C 20173°C 201042%
Mar 109°C6°C12°C 20122°C 201341%
Mar 119°C6°C12°C 20080°C 201339%
Mar 129°C7°C12°C 19970°C 201338%
Mar 139°C7°C13°C 20003°C 201338%
Mar 149°C7°C12°C 20172°C 201339%
Mar 159°C7°C12°C 19974°C 200639%
Mar 169°C7°C12°C 20142°C 200638%
Mar 1710°C7°C14°C 19991°C 201838%
Mar 1810°C7°C12°C 19981°C 201837%
Mar 1910°C7°C12°C 20172°C 201838%
Mar 2010°C7°C12°C 20022°C 201837%
Mar 2110°C7°C12°C 20023°C 200738%
Mar 2210°C7°C12°C 19923°C 200639%
Mar 2310°C7°C12°C 20124°C 201339%
Mar 2410°C7°C12°C 20172°C 201339%
Mar 2510°C7°C12°C 20172°C 201340%
Mar 2610°C7°C13°C 20112°C 201340%
Mar 2710°C7°C13°C 20072°C 201341%
Mar 2810°C7°C15°C 20121°C 201341%
Mar 2910°C7°C14°C 20122°C 201340%
Mar 3010°C7°C14°C 20192°C 201340%
Mar 3110°C7°C13°C 19953°C 201340%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT).

March 1
sunrise 6:54 AM, sunset 5:51 PM
March 31
sunrise 6:48 AM, sunset 7:41 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.