Letterkenny climate

Letterkenny Weather in March

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

Average highs run from 7°C on March 1 to 9°C on March 31, and lows from 3°C to 4°C. Normal precipitation for the month is 93 mm over about 19 wet days.

March day by day

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

Normal daily high and low temperature at Letterkenny, 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
8°C
Average low
4°C
Precipitation
93 mm
Reanalysis high
17°CMar 27, 2012
Reanalysis low
-3°CMar 1, 2018
Daylight
10 h 46 min to 13 h 01 min
Cloud cover
81%
Humidity
89%
Dew point
4°C
Wind
24.5 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 17°C3°C11°C 2008-3°C 201869%
Mar 27°C3°C10°C 2012-1°C 200169%
Mar 37°C3°C11°C 1992-1°C 199569%
Mar 47°C3°C12°C 2003-1°C 200169%
Mar 57°C3°C10°C 20071°C 200968%
Mar 67°C3°C11°C 20001°C 201667%
Mar 78°C3°C12°C 2015-1°C 201067%
Mar 88°C3°C12°C 2000-2°C 201066%
Mar 98°C3°C10°C 2003-1°C 201066%
Mar 108°C4°C11°C 2007-1°C 201364%
Mar 118°C4°C12°C 2009-2°C 201363%
Mar 128°C4°C12°C 1991-1°C 201362%
Mar 138°C4°C13°C 19930°C 200361%
Mar 148°C4°C11°C 19930°C 201561%
Mar 158°C4°C12°C 20040°C 201560%
Mar 168°C4°C13°C 20050°C 201159%
Mar 178°C4°C13°C 2005-2°C 201859%
Mar 188°C4°C13°C 2009-2°C 201858%
Mar 199°C4°C15°C 2005-1°C 200157%
Mar 209°C4°C13°C 20050°C 201856%
Mar 219°C4°C12°C 20110°C 200656%
Mar 229°C4°C12°C 2002-1°C 200656%
Mar 239°C4°C13°C 2002-1°C 200656%
Mar 249°C4°C14°C 20120°C 201356%
Mar 259°C4°C16°C 2012-1°C 201357%
Mar 269°C4°C15°C 2012-1°C 201359%
Mar 279°C4°C17°C 2012-1°C 201360%
Mar 289°C4°C15°C 2012-1°C 201361%
Mar 299°C4°C13°C 2017-1°C 199561%
Mar 309°C4°C13°C 2017-1°C 201362%
Mar 319°C4°C13°C 2014-1°C 201361%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Letterkenny, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

March 1
sunrise 7:21 AM, sunset 6:07 PM
March 31
sunrise 7:05 AM, sunset 8:06 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.