San Leon climate

San Leon Weather in March

NOAA 1991-2020 normals for Houston Nwso, 15.7 km from San Leon

Average highs run from 70°F on March 1 to 76°F on March 31, and lows from 53°F to 58°F. Normal precipitation for the month is 3.30 in over about 9 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at San Leon, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
73°F
Average low
56°F
Precipitation
3.30 in
Record high
92°FMar 25, 2020
Record low
23°FMar 4, 2002
Chance of a freeze
13%
Daylight
11 h 34 min to 12 h 28 min
Cloud cover
60%
Humidity
82%
Dew point
57°F
Wind
11.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 170°F53°F85°F 201735°F 200930%0%
Mar 270°F53°F81°F 199132°F 200230%0%
Mar 371°F53°F82°F 201628°F 201430%0%
Mar 471°F54°F80°F 202023°F 200230%0%
Mar 571°F54°F82°F 202429°F 200230%0%
Mar 671°F54°F83°F 199932°F 201530%0%
Mar 771°F54°F84°F 200434°F 200830%0%
Mar 872°F54°F85°F 202431°F 199629%0%
Mar 972°F54°F83°F 200029°F 199629%0%
Mar 1072°F55°F82°F 201827°F 199629%0%
Mar 1172°F55°F82°F 201930°F 199629%0%
Mar 1272°F55°F86°F 202333°F 202229%0%
Mar 1373°F55°F86°F 202534°F 199329%0%
Mar 1473°F55°F83°F 200828°F 199329%0%
Mar 1573°F56°F88°F 200829°F 199329%0%
Mar 1673°F56°F82°F 200639°F 199928%0%
Mar 1773°F56°F81°F 199635°F 202628%0%
Mar 1873°F56°F84°F 201341°F 202628%0%
Mar 1974°F56°F87°F 201840°F 199628%0%
Mar 2074°F56°F83°F 201733°F 199628%0%
Mar 2174°F57°F82°F 201729°F 199628%0%
Mar 2274°F57°F81°F 199728°F 199628%0%
Mar 2374°F57°F87°F 202041°F 199228%0%
Mar 2475°F57°F90°F 202039°F 200628%0%
Mar 2575°F57°F92°F 202034°F 200628%0%
Mar 2675°F57°F88°F 202040°F 201328%0%
Mar 2775°F57°F89°F 202037°F 201328%0%
Mar 2875°F58°F84°F 202041°F 200528%0%
Mar 2975°F58°F84°F 202537°F 199428%0%
Mar 3076°F58°F87°F 202034°F 200328%0%
Mar 3176°F58°F85°F 202041°F 199128%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at San Leon, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

March 1
sunrise 6:45 AM, sunset 6:19 PM
March 31
sunrise 7:10 AM, sunset 7:38 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00414333 (Houston Nwso), public domain. Records: NOAA GHCN-Daily, station USC00414333, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.