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Weather on May 18

Scottsdale, AZ

55 Years of Data

Avg High
93°F
Avg Low
62°F
Warmest
1997
90°F avg
Coldest
1987
39°F avg

About This Date

May 18th in Scottsdale, AZ typically brings hot spring weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 55 years of records, the warmest May 18th was in 1997 (90°F average), while the coldest was 1987 (39°F) — a 51°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 18th dates historically. The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.

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

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202589°61°75°
2024102°69°86°
202398°
202299°60°79°
202194°60°77°
2020100°61°80°
201985°49°67°
201892°57°74°
201785°59°72°
201665°0.15"
201589°55°72°
201457°
201390°63°76°
201258°
201179°62°70°0.1"
201092°56°74°
2009104°70°87°
2008105°
200799°67°83°
2006105°67°86°
200592°64°78°
200496°66°81°
200398°75°87°
2002101°65°83°
2001100°70°85°
200090°60°75°
199998°63°80°
199896°62°79°
1997warmest101°79°90°
1996102°69°86°
199590°58°74°
199489°58°73°
199396°67°81°
1992100°66°83°
199191°63°77°
199095°68°82°
198995°64°80°
198889°66°78°
1987coldest72°39°
198696°64°80°
198598°56°77°
198499°60°79°
198388°50°69°
198299°60°79°
198191°46°69°
198096°56°76°
197995°61°78°
197889°55°72°
197779°58°68°
1976101°76°88°
197590°60°75°
197492°57°74°
1973101°66°83°
197298°59°79°
197188°55°71°
55 years of data from SCOTTSDALE

Scottsdale, AZ Temperature Range by Month

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

30°50°70°90°110°JFMAMJJASOND
Avg high Avg low

Scottsdale, AZ Monthly Precipitation

Average rainfall per month, in inches.

0"4"7.9"JFMAMJJASOND
Rain (in)

Scottsdale, AZ 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 Scottsdale, AZ

Scottsdale, AZ 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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