climatesince.com

Olympia, WA: May

: May 2026 averaged 56.1°F in Olympia, WA, the warmest May since 2023, tied 16th warmest of 78 (with 1969).

Mean temperature
56.1°F
Warmest since 2023
16th warmest of 78
Precipitation
1.56 in
Driest since 2025
35th driest of 79

A normal May in Olympia, WA (1991 to 2020): a mean temperature of 54.8°F, between 50.9°F and 57.5°F in eight years of ten and 2.08 in of precipitation, between 0.46 in and 4.14 in in eight years of ten.

The mean temperature of every May in Olympia, WA since 1948: 56.1°F in 2026; the highest is 59.3°F, in 1958.
2023: 58.6°F1958: 59.3°F2026: 56.1°F 2026 56.1°F 1958 59.3°F since 2023 1948 2026
  • Normal range, 50.9 to 57.5°F
Every year, ranked, as a table

Every May in Olympia, WA from 1948 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

YearMean, °FRankHigh, °FRankLow, °FRankPrecipitation, inRankDays missing
202656.116691443.3221.56450
202553.73866.93040.6530.96640
202453.73865.74041.7371.38560
202358.6272.3344.870.59720
202251.16960.77541.6414.3360
202154.33066.33842.3321.81390
202056.21567.32445.152.87210
201957.5670.3944.870.90670
201857.6470.5644.6100.24770
201755.91867.62244.1163.07180
201657.2869.3124560.15790
201556.61168.41644.870.67710
201455.91867.91943.9173.34120
201355.62166.63444.5113.21140
201252.75464.94940.5562.73220
201150.37660.47740.1614.1670
2010517261.57440.6534.1480
200953.835672940.6534.6840
200854.52764.85144.3120.48740
200753.64066.83140.5561.22590
200654.82567.12542.4302.36290
200556.61166.73246.524.0690
200454.82565.44444.3122.00340
200352.85164.65441.1461.14620
200251.16962.16940642.04330
200153.64067.12540.1611.92360
200053.44563.26243.5193.28130
199950.475627038.9741.54460
199853.34662.46644.3122.11300
19973.10175
199650.77460.57640.8503.14160
199557.2871.3443241.16610
199455.82069.11342.6261.44530
199358.62701047.214.5750
199257.5672.6242.4300.19780
199151.86261.67342.1341.69430
199052.55662.66442.3322.06320
198953.93365.74042.1341.99350
198853.34664.15642.5273.36110
198755.52267.62243.4212.71240
198654.42965.14643.7183.20150
198554.52766.53542.5270.94650
198451.66562.46640.7525.4820
198356.51368.71544.2151.51480
198254.13167.91940.3600.51730
198153.93364.75343.1231.81390
198052.85165.54340.1610.93660
197954.92368.21841.5431.40550
197852.94964.94940.9482.90200
197751.46861.87240.9485.2130
197651.56763.95739.1732.66250
197552.55665.14639.9661.51480
197451.862627041.6412.65270
197353.83567.72140642.66250
197254.92368.41641.4440.83690
197153.64065.64241.7371.50500
197051.86265.44438.2771.21600
196956.11670.5641.8362.07310
1968543265.14642.8252.57280
196753.64066.73240.5560.25760
196652.65566.53538.6751.30580
196551.66563.66039.5701.89380
196449.97762.86337780.98630
196353.14867.12539.2721.76420
196249.67859.77839.5701.81390
196152.55663.95741472.93190
196052.16162.56541.7373.50100
195952.36064.85139.8681.45520
195859.3172.9145.731.47510
195757.6469.51145.731.42540
195657.2871543.5190.30750
1955517262.26839.8681.35570
195452.94965.93939.9661.63440
195352.85164.25541.4442.72230
195253.83567.12540.5560.85680
195153.64066.43740.8501.91370
195051.16963.85938.4760.79700
194956.51370.4842.5271.54460
194852.55663.36141.7375.8310

Warmest, coldest, wettest and driest

Warmest
YearMean, °F
195859.3
202358.6
199358.6
201857.6
195757.6
201957.5
199257.5
201657.2
199557.2
195657.2
Coldest
YearMean, °F
196249.6
196449.9
201150.3
199950.4
199650.7
201051
195551
202251.1
200251.1
195051.1
Wettest
YearPrecipitation, in
19485.83
19845.48
19775.21
20094.68
19934.57
20224.33
20114.16
20104.14
20054.06
19603.50
Driest
YearPrecipitation, in
20160.15
19920.19
20180.24
19670.25
19560.30
20080.48
19820.51
20230.59
20150.67
19500.79

The hottest, coldest and wettest days

Hottest day
85°F
Coldest night
32°F
Wettest day
0.73 in

Every month, season and year

Months

Seasons

Years

Olympia, WA the day's answers

All-time records

Every answer in words
  • May 2026 brought 1.56 in of precipitation in Olympia, WA, the driest May since 2025, 35th driest of 79.
  • The hottest day of May 2026 in Olympia, WA: 85°F on Sunday 3 May 2026.
  • The coldest night of May 2026 in Olympia, WA: a low of 32°F on Sunday 17 May 2026.
  • The wettest day of May 2026 in Olympia, WA: 0.73 in on Friday 15 May 2026.