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Washington, DC: May

: May 2026 averaged 65.8°F in Washington, DC, the warmest May since 2025, tied 60th warmest of 155 (with 1995, 1988, 1978 and 1 other year).

Mean temperature
65.8°F
Warmest since 2025
60th warmest of 155
Precipitation
2.85 in
Driest since 2023
58th driest of 156

A normal May in Washington, DC (1991 to 2020): a mean temperature of 66.3°F, between 62.8°F and 71.9°F in eight years of ten and 3.34 in of precipitation, between 1.69 in and 7.16 in in eight years of ten.

The mean temperature of every May in Washington, DC since 1872: 65.8°F in 2026; the highest is 73.2°F, in 2015.
2025: 67°F2015: 73.2°F2026: 65.8°F 2026 65.8°F 2015 73.2°F since 2025 1872 2026
  • Normal range, 62.8 to 71.9°F
Every year, ranked, as a table

Every May in Washington, DC from 1871 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
202665.86075.27356.4552.85980
2025674874.79059.3167.7390
202469.31677.43761.274.30520
2023657874.88655.3751.341480
202267.83276.45259.1186.36150
202166.15676.55055.7663.77670
202063.811372.312855.2782.491150
201971779.51362.564.97350
201872.4381.5563.428.7360
201765.56573.910857.1425.55230
201663.911071.314356.5535.65220
201573.2182.7363.811.921280
201468.523783358.9254.96360
201366.75275.86057.5342.821000
201271.4680.11062.753.28870
201168.32577.43759.3161.701370
201069.31678.42960.3102.401160
200965.56573.810957.2398.0570
200864.78774.39655.18110.6630
200767.83277.63558311.751330
200665.17474.98155.2782.211230
200561.914270.914652.81284.61460
200471.8480.6862.932.98950
200361.714468.315555.1817.06100
200265.27075.46655862.171260
200165.958757956.7483.71700
200067.832774558.6273.08920
199967.34077.93456.7481.281490
199867.53775.86059.1184.05580
199762.91267410651.81443.04930
199663.911072.612555.1814.96360
199565.86075.37056.3564.19560
19946312574.1101521401.561420
199367.43877.24057.5343.40820
199262.313671.913652.71303.41810
199173283.1162.841.571410
199064.210573.112055.4725.20290
198964.110772.812355.3757.7780
198865.86075.46656.2594.50480
198767.24377.24057.2392.541110
1986683078.92257.2390.751550
198568.12777.14359.1185.79200
198464.98274.110155.6693.80660
198364.98274.49355.4724.62450
19826920792059225.11310
198166.25575.76356.7483.42800
198069.514792060132.641080
197967.73576.35359223.55730
197865.86074.59257.1425.13300
197769.41579.91158.9251.731340
19766578757955863.57720
197569.71179.21760.2124.71440
197465.17474.98155.3754.37500
197362.812972.312853.31213.39830
197264.59273.611355.5704.78400
197163.711573.311754.11086.80130
197068.22679.41557.1422.791030
196968.42479.81257451.201500
196863.711574.110153.31214.23550
19676015070.714849.31544.27530
1966657875.95954.11082.741060
196569.11880.8757.4361.721350
196468.12779.51356.6521.461440
196364.98275.27354.6951.061510
196268.62278.23159.1183.46760
196162.214171.713852.71302.571100
196063.711572.812354.5974.35510
195969.71179.21760.3102.89970
195865.27074.49356632.771040
195767.24377.33957451.401470
195663.512074.1101531242.171260
195567.14676.55057.7323.38840
195462.613171.614053.61172.98950
1953701079.31660.8810.6910
195264.210573.411555864.73420
195164.98275.27354.6952.741060
195064.59273.112055.9645.76210
1949665776.25555.7666.33160
194864.68973.711055.5708.8750
194764.68974.69154.5974.44490
194665.36874.88655.7666.99110
194562.81297312252.71303.44780
194471.6582.3460.881.021520
194367.14676.94657.3374.04590
194269.11878.72359.5153.93640
194166.85178.72354.9911.581390
194064.49773.711055.2783.10890
1939683079.11956.9470.411560
193863.412172.312854.5973.51750
193765.86076.64955.1814.02610
193667.43878.72356.2595.32250
193561.814371.314352.41363.54740
193466.55477.14355.9643.85650
193367.24376.15758.2296.26170
193264.110774.396541125.07320
193165.17475.17855.1814.84380
193067.34078.33056.3561.811310
192964.59274.98154.11082.291190
192863.112373.611352.61344.00630
19276410973.211854.8932.211230
192664.310476.35352.31382.221220
192560.614972.512648.71551.671380
19246015069.315150.71496.73140
192363.412174.98151.91431.501430
192266.94977.24056.5534.27530
192162.313671.813752.81285.82190
19206015070150501511.421460
191964.68974.39655865.27260
191869.61380.6858.5282.351170
191759.615368.815350.41501.841300
191666.75276.74856.7482.301180
191562.513372.412752.61342.181250
191466.94978.52755.4721.721350
191364.49775.37053.41204.56470
191265.174765854.21064.84380
191170.1982.8257.3370.871540
191061.514771.514151.41463.43790
190964.49775.27353.51183.77670
190865.36874.39656.3566.10180
190759.315469.115249.41535.03330
190664.49775.46653.31211.801320
190565.27075.56554.9913.22880
1904657875.86054.21062.641080
190364.59275.27353.71162.751050
190265.46776.25554.5973.35860
190162.513372.113352.91272.811020
190064.59276.84752.11394.02610
189964.49774.98153.81142.531120
189864.49774.110154.8933.60710
189762.313672.312852.41366.97120
189668.82178.62659222.261200
189562.613172.2132531243.09900
189465.95875.76356.1614.03600
189361.61457213551.21475.41240
189263.811373.711053.91134.07570
189161.414870.8147521403.72690
189063.911073.211854.5974.73420
188964.78774.88654.59710.6910
188862.912671.414254.5974.77410
188768.12778.23158.1302.501130
188662.313670.714853.811410.6040
188562.313671.214553.51182.85980
188464.98275.37054.5973.09900
188363.711574.88652.71302.501130
188259.215568.4154501515.00340
188167.63677.53657.7321.861290
188070.5881.5559.6143.37850
187965.27075.46655861.581390
187862.413571.7138531245.27260
187761.614572.113351.11482.261200
187664.49774.49354.41053.02940
187563.112374.396521401.011530
187462.91267410651.81442.821000
187363.711573.411554.11085.22280
187267.34078.52756.1611.431450
18713.457731

Warmest, coldest, wettest and driest

Warmest
YearMean, °F
201573.2
199173
201872.4
200471.8
194471.6
201271.4
201971
188070.5
191170.1
195370
Coldest
YearMean, °F
188259.2
190759.3
191759.6
196760
192460
192060
192560.6
189161.4
191061.5
189361.6
More years share the last value
Wettest
YearPrecipitation, in
195310.69
188910.69
200810.66
188610.60
19488.87
20188.73
20098.05
19897.77
20257.73
20037.06
Driest
YearPrecipitation, in
19390.41
19860.75
19110.87
18751.01
19441.02
19631.06
19691.20
19991.28
20231.34
19571.40

The hottest, coldest and wettest days

Hottest day
97°F
Coldest night
44°F
,
Wettest day
0.51 in

Every month, season and year

Months

Seasons

Years

Washington, DC the day's answers

All-time records

Every answer in words
  • May 2026 brought 2.85 in of precipitation in Washington, DC, the driest May since 2023, tied 58th driest of 156 (with 1885).
  • The hottest day of May 2026 in Washington, DC: 97°F on Tuesday 19 May 2026.
  • The coldest night of May 2026 in Washington, DC: a low of 44°F on Sunday 3 May 2026 and Friday 1 May 2026.
  • The wettest day of May 2026 in Washington, DC: 0.51 in on Friday 22 May 2026.