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COMPARE CITIES (Beta)

First Location
Second Location
Cancun and Dulles are 1,349.4 miles away from each other. Dulles and Cancun are currently on the same timezone (GMT-5). Cancun has a tropical savanna climate (Kppen climate classification: Aw) while Dulles has a humid subtropical climate (Kppen climate classification: Cfa).


Cancun is much warmer than than Dulles. On average, Cancun is 81.1°F while Dulles is 55.3°F, a difference of 25.8°F. Cancun is warmest on average in August, when the average high temperature is 90.0°F, while Dulles is warmest in July, when the average high temperature is 90.0°F. Cancun and Dulles both are coolest in January, when the average low temperature is 67.8°F in Cancun and 23.9°F in Dulles.


Cancun has more precipitation than Dulles. On average, Cancun has 51.2 in. of precipitation while Dulles has 41.5 in., a difference of 9.7 inches.


Use the menu below to compare and chart different weather types for Cancun and Dulles.


°F | °C
Average Dew Point ( F )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
68.068.069.071.073.076.076.076.075.073.071.069.072.0
Dulles
22.224.230.340.351.861.565.364.157.645.935.226.543.9
Average Evening Relative Humidity ( % )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
75.073.072.069.071.073.070.070.075.074.075.075.073.0
Dulles
57.052.049.046.053.054.054.055.055.052.054.057.053.0
Average Morning Relative Humidity ( % )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
86.085.085.084.083.084.084.086.085.086.086.086.085.0
Dulles
77.077.078.077.082.084.086.089.089.088.082.078.082.0
Average Precipitation ( in )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
4.12.01.81.13.55.62.73.47.211.15.03.551.2
Dulles
2.72.73.43.54.64.03.73.53.93.33.43.041.5
Average Number of Rainy Days ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
9.55.65.13.96.711.08.99.413.616.811.310.1111.9
Dulles
10.09.010.010.012.010.011.010.09.08.09.010.0117.0
Average High Temperature ( F )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
81.082.084.085.088.089.090.090.089.087.084.082.086.0
Dulles
42.546.455.566.775.183.887.986.679.468.257.546.066.4
Average Low Temperature ( F )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
67.868.770.272.975.276.576.676.375.774.171.669.372.9
Dulles
23.926.032.942.151.261.065.564.256.343.835.327.144.2
Average Number of Days Above 90F/32C ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
1.03.010.017.024.025.017.07.01.0105.0
Dulles
0.31.15.611.68.92.70.130.3
Average Temperature ( F )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
75.477.078.881.383.884.685.385.584.281.778.876.581.1
Dulles
33.236.244.254.463.272.476.775.467.956.046.436.655.3
Highest Recorded Temperature ( F )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
95.090.091.097.099.0102.0102.0100.0102.0102.099.088.0102.0
Dulles
75.079.089.093.097.0102.0105.0104.099.094.084.079.0105.0
Lowest Recorded Temperature ( F )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
55.453.649.157.264.468.969.869.866.259.053.653.649.1
Dulles
-18.0-14.0-1.017.028.036.041.038.030.015.09.0-4.0-18.0
Average Length of Day ( Hours )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
11.411.912.413.013.613.813.713.212.612.011.511.312.5
Dulles
10.311.212.413.714.815.415.114.112.811.610.510.012.7
Average Number of Days With Fog ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
0.10.10.10.10.10.5
Dulles
13.010.012.010.014.016.019.020.018.014.012.012.0170.0
Average Wind Speed ( mph )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
9.010.010.010.010.010.09.09.09.09.09.09.09.0
Dulles
7.88.08.68.17.06.35.95.66.06.37.07.37.0
Cooling Degree Days ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
291.4292.4375.1418.5514.6532.5567.3562.7520.5482.1384.0330.25271.3
Dulles
3.017.072.0237.0363.0324.0141.019.02.01178.0
Growing Degree Days ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
756.4716.1840.1868.5979.6982.51032.31027.7970.5947.1834.0795.210750.0
Dulles
9.09.053.0181.0410.0672.0828.0787.0536.0218.064.014.03780.0
Average Number of Days With Thunderstorms ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
0.10.10.10.20.30.10.20.20.30.30.12.0
Dulles
1.02.04.06.06.05.02.01.01.028.0
Average Daily Solar Radiation - Diffuse ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
1.21.41.61.82.02.22.12.01.91.61.31.21.7
Dulles
0.81.11.52.02.32.52.42.11.71.20.90.71.6
Average Daily Solar Radiation - Direct ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
5.76.66.97.36.96.06.76.65.95.85.85.46.3
Dulles
3.13.74.14.44.74.84.94.64.64.63.52.94.2
Average Daily Solar Radiation - Global ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
4.35.26.16.86.96.46.86.55.85.14.54.05.7
Dulles
2.02.83.74.75.35.65.65.04.33.42.21.73.9
Average Daily Solar Radiation - Reflected ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
5.26.06.46.66.36.46.76.25.95.75.44.86.0
Dulles
3.13.74.34.74.94.95.04.84.74.53.42.94.3
Maximum Daily Solar Radiation - Diffuse ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
1.41.61.82.12.52.52.52.22.01.71.41.31.9
Dulles
0.81.21.62.12.42.52.52.21.71.30.90.81.7
Maximum Daily Solar Radiation - Direct ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
6.87.67.98.48.37.18.17.77.96.97.06.87.5
Dulles
3.95.25.55.66.46.65.85.66.06.44.83.65.4
Maximum Daily Solar Radiation - Global ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
4.35.26.16.86.96.46.86.55.85.14.54.05.7
Dulles
2.02.83.74.75.35.65.65.04.33.42.21.73.9
Maximum Daily Solar Radiation - Reflected ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
5.96.66.97.16.97.07.46.76.96.36.05.56.6
Dulles
3.74.65.35.45.85.75.45.45.55.74.33.45.0
Minimum Daily Solar Radiation - Diffuse ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
1.11.21.41.61.82.11.81.81.51.41.11.01.5
Dulles
0.81.01.41.92.22.32.32.01.51.00.80.71.5
Minimum Daily Solar Radiation - Direct ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
3.85.05.75.63.63.83.75.54.54.74.84.24.6
Dulles
2.32.42.73.32.03.43.93.63.43.01.91.82.8
Minimum Daily Solar Radiation - Global ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
3.54.55.56.05.05.15.06.05.14.64.13.54.8
Dulles
1.72.23.04.03.54.75.04.43.72.71.61.33.2
Minimum Daily Solar Radiation - Reflected ( kWh/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
4.15.15.85.84.75.04.95.75.15.04.84.15.0
Dulles
2.52.83.44.03.34.24.54.23.93.42.22.03.4
Average Number of Days Above 80F/26C ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
20.021.026.029.031.030.031.031.030.030.028.023.0330.0
Dulles
0.83.810.122.327.927.114.13.10.3109.6