Climateby Month

Houston vs New Orleans weather

Houston, TX and New Orleans, LA · 317 mi apart

July highs: 93°F in Houston, 94°F in New Orleans (New Orleans is 1°F warmer). January highs: 64°F and 64°F. Houston has about 107 wet days a year, New Orleans about 113. Muggy days: about 173 a year in Houston, about 176 in New Orleans.

Houston, TX

40°50°60°70°80°90°100° January: normal high 64°F (18°C), low 46°F (8°C) 64° 46° February: normal high 68°F (20°C), low 50°F (10°C) March: normal high 73°F (23°C), low 56°F (13°C) April: normal high 79°F (26°C), low 62°F (17°C) May: normal high 86°F (30°C), low 69°F (21°C) June: normal high 91°F (33°C), low 75°F (24°C) July: normal high 93°F (34°C), low 77°F (25°C) August: normal high 94°F (34°C), low 77°F (25°C) 94° 77° September: normal high 89°F (32°C), low 73°F (23°C) October: normal high 82°F (28°C), low 64°F (18°C) November: normal high 73°F (23°C), low 54°F (12°C) December: normal high 66°F (19°C), low 48°F (9°C) JFMAMJJASOND

Best months: March

New Orleans, LA

40°50°60°70°80°90°100° January: normal high 64°F (18°C), low 47°F (8°C) 64° 47° February: normal high 68°F (20°C), low 51°F (11°C) March: normal high 75°F (24°C), low 56°F (13°C) April: normal high 81°F (27°C), low 62°F (17°C) May: normal high 88°F (31°C), low 69°F (21°C) June: normal high 93°F (34°C), low 75°F (24°C) July: normal high 94°F (34°C), low 77°F (25°C) 94° 77° August: normal high 94°F (34°C), low 77°F (25°C) September: normal high 90°F (32°C), low 74°F (23°C) October: normal high 83°F (28°C), low 65°F (18°C) November: normal high 73°F (23°C), low 55°F (13°C) December: normal high 66°F (19°C), low 49°F (9°C) JFMAMJJASOND

Best months: March, April, November

Which city for what

  • Longer growing season: New Orleans (341 frost-free days vs 330 frost-free days)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high HoustonAvg high New OrleansWet days HoustonWet days New Orleans
Winter (Dec-Feb)66°F66°F2930
Spring (Mar-May)80°F81°F2423
Summer (Jun-Aug)92°F93°F2937
Fall (Sep-Nov)81°F82°F2524

Side by side over a year

HoustonNew Orleans
Hot days (90°F+)101105
Freezing nights44
Muggy days173176
Comfortable days8480
Precipitation55.6 in60.1 in
Snowfall0.1 in0.1 in
Frost dateslast Jan 30, first Dec 28last Jan 24, first Jan 2
Daylight in June / December14.0 h / 10.3 h14.0 h / 10.3 h
Best monthsMarchMarch, April, November

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh HoustonHigh New OrleansWet days HoustonWet days New Orleans
January64°F64°F1010
February68°F68°F99
March73°F75°F88
April79°F81°F87
May86°F88°F87
June91°F93°F1012
July93°F94°F913
August94°F94°F1012
September89°F90°F109
October82°F83°F77
November73°F73°F87
December66°F66°F1010

Both charts use the same temperature scale.

Where the numbers come from

  • Houston, TX: temperature from Houston Hobby Airport (USW00012918), 9.9 mi SSE of the city center; precipitation from Houston Hobby Airport (USW00012918). NOAA 1991-2020 normals and daily records.
  • New Orleans, LA: temperature from New Orleans Audubon (USW00012930), 4.2 mi SW of the city center; precipitation from New Orleans Lakefront Airport (USW00053917). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.