March
Other strong months: November and April
United States · 1991–2020
For Houston, March has the most comfortable weather in our climate comparison. Typical daytime highs are 23.1°C, nights average 12.5°C, and rainfall totals about 73 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Other strong months: November and April
Other strong months: December and March
Make the answer personal
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
5 months fit your choices for Houston
June has the lowest comfort score at 26 out of 100, compared with March at 86. The main reason is that days average 33.4°C, 9° above the 24°C the score treats as ideal, and 197 mm of rain falls.
Quick answers
These answers come from the same measured monthly climate record shown on this page.
March is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.1°C and 73 mm of rain.
August is hottest in this record, with a typical daytime high of 34.7°C and a night-time low of 25.1°C.
February and March have the lowest monthly rainfall total at 73 mm.
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 17.8°C | 7.3°C | 88 mm | 5.5 | 10 h 25 | 56 | Good coverage |
| February | 19.7°C | 9.1°C | 73 mm | 4.6 | 11 h 05 | 68 | Good coverage |
| March | 23.1°C | 12.5°C | 73 mm | 4.3 | 11 h 54 | 86 | Good coverage |
| April | 26.5°C | 16.3°C | 98 mm | 4.1 | 12 h 51 | 80 | Good coverage |
| May | 30.3°C | 20.8°C | 99 mm | 4.2 | 13 h 38 | 59 | Good coverage |
| June | 33.4°C | 24°C | 197 mm | 7.1 | 14 h 03 | 26 | Good coverage |
| July | 34.1°C | 25°C | 112 mm | 6.2 | 13 h 53 | 35 | Good coverage |
| August | 34.7°C | 25.1°C | 82 mm | 6.1 | 13 h 13 | 37 | Good coverage |
| September | 32.5°C | 22.2°C | 103 mm | 5.9 | 12 h 18 | 47 | Good coverage |
| October | 27.9°C | 17°C | 119 mm | 4.2 | 11 h 24 | 71 | Good coverage |
| November | 22.7°C | 11.7°C | 86 mm | 4.4 | 10 h 37 | 81 | Good coverage |
| December | 18.7°C | 7.9°C | 91 mm | 5.3 | 10 h 14 | 60 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 28.9°C13 Jan 2000 | -6.1°C10 Jan 2010 | 122 mm6 Jan 1996 | 194 mm1992 · driest 0 mm in 2010 | 22 |
| February | 29.4°C22 Feb 1996 | -5.0°C4 Feb 1996 | 97 mm22 Feb 1992 | 319 mm1992 · driest 0 mm in 2011 | 22 |
| March | 32.2°C19 Mar 2013 | -1.7°C2 Mar 2002 | 139 mm27 Mar 2001 | 250 mm2001 · driest 0 mm in 2011 | 22 |
| April | 33.3°C18 Apr 2006 | 2.8°C8 Apr 2007 | 167 mm5 Apr 1991 | 346 mm1991 · driest 0 mm in 2010 | 23 |
| May | 37.2°C31 May 1998 | 10.6°C1 May 2005 | 91 mm16 May 1994 | 230 mm1992 · driest 0 mm in 2011 | 23 |
| June | 40.0°C27 Jun 2012 | 15.0°C1 Jun 2012 | 467 mm8 Jun 2001 | 1183 mm2001 · driest 0 mm in 2012 | 22 |
| July | 40.0°C28 Jul 1995 | 18.3°C20 Jul 2002 | 93 mm15 Jul 2005 | 344 mm2005 · driest 18 mm in 2000 | 21 |
| August | 41.1°C31 Aug 2000 | 18.3°C17 Aug 1992 | 86 mm30 Aug 2001 | 226 mm2001 · driest 3 mm in 2011 | 22 |
| September | 43.3°C5 Sep 2000 | 11.1°C26 Sep 2000 | 115 mm19 Sep 1996 | 238 mm1998 · driest 25 mm in 2011 | 22 |
| October | 35.0°C3 Oct 1994 | 1.7°C31 Oct 1993 | 399 mm18 Oct 1994 | 565 mm1994 · driest 2 mm in 2010 | 21 |
| November | 35.0°C12 Nov 2003 | -1.7°C27 Nov 1993 | 85 mm17 Nov 2003 | 247 mm2000 · driest 1 mm in 2012 | 22 |
| December | 31.7°C4 Dec 2003 | -3.9°C18 Dec 1996 | 120 mm22 Dec 1991 | 252 mm1991 · driest 11 mm in 2011 | 22 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 3 | 0 | 2 | 3 |
| February | 5 | 0 | <1 | 2 |
| March | 12 | <1 | <1 | 2 |
| April | 21 | 4 | 0 | 2 |
| May | 28 | 17 | 0 | 3 |
| June | 29 | 27 | 0 | 4 |
| July | 29 | 28 | 0 | 3 |
| August | 30 | 29 | 0 | 2 |
| September | 28 | 24 | 0 | 3 |
| October | 24 | 11 | 0 | 2 |
| November | 11 | 1 | <1 | 3 |
| December | 5 | <1 | 1 | 2 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 37% | 19% | 9% | 16% | 15.5–20.0°C |
| February | 49% | 17% | 8% | 11% | 18.2–22.4°C |
| March | 69% | 15% | 8% | 10% | 21.5–24.4°C |
| April | 84% | 14% | 9% | 8% | 24.7–28.5°C |
| May | 85% | 15% | 10% | 16% | 28.9–31.8°C |
| June | 75% | 24% | 14% | 28% | 32.3–34.6°C |
| July | 79% | 20% | 12% | 17% | 32.9–35.9°C |
| August | 79% | 21% | 8% | 21% | 33.2–36.3°C |
| September | 79% | 21% | 11% | 16% | 30.9–34.2°C |
| October | 83% | 14% | 8% | 12% | 26.4–29.1°C |
| November | 61% | 17% | 10% | 16% | 19.8–25.1°C |
| December | 39% | 20% | 9% | 11% | 17.2–20.7°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
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