Weather on May 18

Sugar Land, TX

55 Years of Data

Avg High
87°F
Avg Low
67°F
Warmest
2025
85°F avg
Coldest
1976
67°F avg

About This Date

May 18th in Sugar Land, TX typically brings warm spring weather, with average highs around 87°F and lows near 67°F. Over 55 years of records, the warmest May 18th was in 2025 (85°F average), while the coldest was 1976 (67°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 18th dates historically, with the wettest May 18th recording 6.99" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

Planning for May 18th in Sugar Land, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest91°79°85°
202491°64°78°
202390°67°78°
202296°71°84°
202185°65°75°4.62"
202092°64°78°
201984°76°80°0.05"
201894°74°84°
201790°78°84°
201682°69°76°0.1"
201588°72°80°0.2"
201485°65°75°
201390°74°82°
201287°63°75°
201183°66°74°
201092°70°81°3.18"
200980°57°69°
200889°56°72°
200782°58°70°
200690°62°76°
200587°67°77°
200484°69°77°0.43"
200393°62°78°
200277°63°70°
200188°69°78°
200088°75°81°
199989°62°76°
199893°70°81°
199785°71°78°
199691°69°80°
199589°77°83°
199483°69°76°1.4"
199388°68°78°
199275°67°71°0.33"
199183°69°76°0.15"
199093°73°83°0.64"
198987°68°78°6.99"
198888°62°75°
198789°71°80°
198688°64°76°2.29"
198554°0.38"
198479°72°75°
198379°69°74°0.05"
198284°65°74°0.58"
198189°53°71°
198086°63°74°
197987°63°75°
197891°75°83°
197786°68°77°
1976coldest79°56°67°
197586°65°75°
197489°73°81°
197386°64°75°
197286°64°75°
197185°67°76°
55 years of data from HOUSTON SUGARLAND MEM

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

May 18th Weather in Sugar Land, TX - 55 Years of History