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Weather on May 18

Tulsa, OK

55 Years of Data

Avg High
81°F
Avg Low
59°F
Warmest
2026
85°F avg
Coldest
2002
57°F avg

About This Date

May 18th in Tulsa, OK typically brings warm spring weather, with average highs around 81°F and lows near 59°F. Over 56 years of records, the warmest May 18th was in 2026 (85°F average), while the coldest was 2002 (57°F) — a 28°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 5.28" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

Planning for May 18th in Tulsa, OK? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest91°79°85°
202573°60°67°0.25"
202488°60°74°
202382°57°70°
202290°68°79°0.03"
202179°65°72°
202080°56°68°
201977°63°70°4.11"
201891°64°78°
201789°63°76°5.28"
201669°51°60°
201586°62°74°
201478°50°64°
201389°67°78°0.51"
201291°59°75°
201171°54°62°0.51"
201075°56°65°
200977°47°62°
200886°55°71°
200777°47°62°
200686°53°70°
200585°65°75°
200488°71°79°
200383°57°70°
2002coldest68°46°57°
200181°61°71°
200080°55°68°
199973°51°62°2.34"
199885°55°70°
199791°66°79°
199689°71°80°
199580°57°69°1.75"
199483°56°69°
199384°61°72°0.84"
199272°64°68°1.32"
199183°64°73°
199077°49°63°0.64"
198968°59°64°4.24"
198891°54°72°
198787°64°76°
198662°54°58°
198578°52°65°
198485°55°70°
198373°48°61°
198282°57°70°
198179°55°67°
198079°56°67°1.68"
197986°64°75°
197869°59°64°0.25"
197783°63°73°
197674°45°59°
197587°53°70°
197484°70°77°
197378°51°65°
197290°64°77°4.32"
197188°68°78°
56 years of data from BIXBY

Tulsa, OK Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

20°40°60°80°100°JFMAMJJASOND
Avg high Avg low

Tulsa, OK Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"7.3"14.6"JFMAMJJASOND2.9"0"
Rain (in) Snow (in)

Tulsa, OK Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Tulsa, OK

Tulsa, OK has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

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