McAllen, TX weather in March
March in McAllen: warm, often humid and mostly dry. Highs 83°F, lows 63°F, rain on about 4 days.
- Normal high
- 83°F
- Normal low
- 63°F
- Wet days
- 4
- 1.4 in total
- Muggy days
- 10
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 80°F | 86°F |
| Normal low | 60°F | 66°F |
| Chance of a wet day | 15% | 13% |
| Sunrise / sunset | 6:56 am / 6:34 pm | 7:24 am / 7:49 pm |
| Daylight | 11.6 h | 12.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical March day
- 6 am64°Fdew point 58°F
- 9 am68°Fdew point 59°F
- Noon76°Fdew point 57°F
- 3 pm80°Fdew point 56°F
- 6 pm76°Fdew point 56°F
- 9 pm69°Fdew point 59°F
NOAA hourly normals (local standard time) from Mcallen Miller Intl Airport (2 mi away); average wind 12 mph; clear or few clouds in 53% of daytime hours, mostly cloudy or overcast in 39%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F7 of 31
- Hot dayshigh 90°F or more6 of 31
- Muggy daysdaily mean dew point 65°F or more10 of 31
- Wet daysat least 0.01 in of rain or melted snow4 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 1.4 in; a dry March brings about 0.3 in and a wet one about 1.8 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How March varies from year to year
- Warmest March, 1991-20201991: average high 88°F
- Coolest March2014: average high 76°F
- Wettest March2012: 4.5 in
- Driest March2013: no measurable precipitation
- Highest reading104°F (March 14, 2008)
- Lowest reading36°F (March 3, 2014)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 77°F | 83°F | 88°F |
| Normal low | 57°F | 63°F | 68°F |
| Wet days | 5 | 4 | 4 |
| Comfortable days | 10 | 7 | 2 |
| Daylight | 11.3 h | 12.0 h | 12.8 h |
Highs change by +6°F from February and +5°F into April.
Nearby alternatives in March
- Cooler: South Padre Island, TX66 mi · high 75°F · 5 wet days
How McAllen ranks in March
- Normal high2nd warmest of 378 cities; 1st of 38 in Texas
- Wet days24th driest of 378
- Comfortable days202nd most of 339
Heating and cooling
March has 28 heating degree days and 274 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is McAllen in March?
The normal high is 83°F and the normal low is 63°F. From 1991 to 2020 the hottest March reading was 104°F (March 14, 2008).
Does it rain a lot in McAllen in March?
About 4 days in March have at least 0.01 in of precipitation, and the normal total is 1.4 in. The wettest March in 1991-2020 was in 2012 (4.5 in); the driest was in 2013, with no measurable precipitation.
Is March a good time to visit McAllen?
March ranks 5th of 12 months on our comfort score for McAllen (56 out of 100). It has about 7 comfortable days and about 6 days at 90°F or hotter. The best months are January and December.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Mcallen Miller Intl Airport (USW00012959), 2.0 mi SW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Mcallen (USC00415701), 1.5 mi WSW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mc Allen Miller Intl Arpt (722506-12959), 1.9 mi SSW of the city center, 99 ft . Hourly observations, 1991-2020.