Climateby Month

Sugar Land, TX climate by month

NOAA 1991-2020 normals · 77 ft elevation

Summers in Sugar Land are hot and oppressively humid; winters are cool. Highs peak at 95°F in July and fall to 64°F in January. Wet days are spread through the year, from about 7 to 11 a month. The most comfortable time to visit is March.

Warmest month
95°F
July normal high
Coldest month
45°F
January normal low
Wet days a year
107
55.4 in of precipitation
Muggy days a year
185
dew point 65°F or higher

How warm is Sugar Land?

Normal highs range from 64°F in January to 95°F in July.

40°50°60°70°80°90°100° January: normal high 64°F (18°C), low 45°F (7°C) 64° 45° February: normal high 68°F (20°C), low 50°F (10°C) March: normal high 74°F (23°C), low 55°F (13°C) April: normal high 80°F (27°C), low 60°F (16°C) May: normal high 87°F (31°C), low 69°F (21°C) June: normal high 92°F (33°C), low 74°F (23°C) July: normal high 95°F (35°C), low 76°F (24°C) 95° 76° August: normal high 94°F (34°C), low 76°F (24°C) September: normal high 90°F (32°C), low 72°F (22°C) October: normal high 83°F (28°C), low 62°F (17°C) November: normal high 74°F (23°C), low 53°F (12°C) December: normal high 67°F (19°C), low 46°F (8°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Sugar Land?

June has the most wet days (about 11); the year brings about 55 in of precipitation.

January: 10 wet days February: 9 wet days March: 8 wet days April: 8 wet days May: 8 wet days June: 11 wet days 11 July: 9 wet days August: 10 wet days September: 9 wet days October: 7 wet days 7 November: 8 wet days December: 10 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How humid is Sugar Land?

Muggy days peak in July, at about 31 days.

January: 2 muggy days 2 February: 3 muggy days March: 7 muggy days April: 11 muggy days May: 23 muggy days June: 29 muggy days July: 31 muggy days 31 August: 31 muggy days September: 25 muggy days October: 15 muggy days November: 6 muggy days December: 4 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Ellington Field Airport, 28 mi E of the city center (the nearest airport with complete hourly records).

How much daylight?

Daylight ranges from about 10.3 hours in December to 14.0 hours in June.

January: 10.5 hours of daylight February: 11.2 hours of daylight March: 12.0 hours of daylight April: 12.9 hours of daylight May: 13.6 hours of daylight June: 14.0 hours of daylight 14.0 July: 13.8 hours of daylight August: 13.2 hours of daylight September: 12.3 hours of daylight October: 11.4 hours of daylight November: 10.7 hours of daylight December: 10.3 hours of daylight 10.3 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Sugar Land, 1991-2020
MonthHighLowPrecip.Wet daysMuggy daysDaylight
January 64°F45°F 4.4 in10 2 10.5 h
February 68°F50°F 3.3 in9 3 11.2 h
March 74°F55°F 3.4 in8 7 12.0 h
April 80°F60°F 4.2 in8 11 12.9 h
May 87°F69°F 5.1 in8 23 13.6 h
June 92°F74°F 5.7 in11 29 14.0 h
July 95°F76°F 4.4 in9 31 13.8 h
August 94°F76°F 5.2 in10 31 13.2 h
September 90°F72°F 5.7 in9 25 12.3 h
October 83°F62°F 4.9 in7 15 11.4 h
November 74°F53°F 4.7 in8 6 10.7 h
December 67°F46°F 4.3 in10 4 10.3 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Sugar Land

By our comfort score, the best month is March.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 631561
Feb 691650
Mar 731950
Apr 671341
May 503510
Jun 360724
Jul 350726
Aug 330628
Sep 381618
Oct 55956
Nov 681850
Dec 631560

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. Comfortable days here are judged by temperature only (no humidity station nearby). How the score works.

Frost dates in Sugar Land

The last spring frost typically comes around Feb 2, and the first fall frost around Dec 11, leaving 318 frost-free days in a typical year.

Frost and freeze dates for Sugar Land
Typical date1 year in 10
Last spring frost (32°F)Feb 2after Mar 7
First fall frost (32°F)Dec 11before Nov 20
Last hard freeze (28°F)Jan 18after Feb 23
First hard freeze (28°F)Jan 1before Dec 4
Frost-free season318 daysunder 276 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Houston Sugarland Mem (USW00012977), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Texas.

Hottest and coldest readings, 1991-2020

The highest reading was 108°F (August 27, 2011); the lowest was 16°F (January 9, 2010).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Sugar Land

Similar climates elsewhere

Where the numbers come from

  • Temperature and frost dates: Houston Sugarland Mem (USW00012977), 1.3 mi W of the city center, 82 ft . NOAA normals and daily records, 1991-2020.
  • Rain: Houston-Westbury (USC00414325), 2.8 mi N of the city center, 50 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Sugar Land (USC00418728), 1.3 mi W of the city center, 84 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Houston Intercont Airport (USW00012960), 30 mi NNE of the city center, 95 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Ellington Field Airport (722436-12906), 28 mi E of the city center, 32 ft . Hourly observations, 1991-2020.

Distances from the city center (USGS). Methodology · Report an error