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COMPARE CITIES (Beta)

First Location
Second Location
Cancun and Dulles are 2,171.7 kilometers 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 way, way, way the heck warmer than than Dulles. On average, Cancun is 27.3°C while Dulles is 12.9°C, a difference of 14.4°C. Cancun is warmest on average in August, when the average high temperature is °F, while Dulles is warmest in July, when the average high temperature is °F. Cancun is coolest on average in January, when the average low temperature is °F, while Dulles is coolest in January, when the average low temperature is °F.


Cancun has more precipitation than Dulles. On average, Cancun has 1300.0 mm of precipitation while Dulles has 1054.1 mm, a difference of 245.9 millimeters.


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


°F | °C
Average Dew Point ( C )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
20.020.020.021.022.024.024.024.023.022.021.020.022.0
Dulles
-5.4-4.3-0.94.611.016.418.517.814.27.71.8-3.16.6
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 ( mm )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
105.050.046.029.089.0141.070.088.0184.0282.0128.090.01300.0
Dulles
68.668.686.488.9116.8101.694.088.999.183.886.476.21054.1
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 ( C )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
27.027.028.029.031.031.032.032.031.030.028.027.030.0
Dulles
5.88.013.119.323.928.831.130.326.320.114.27.819.1
Average Low Temperature ( C )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
19.920.421.222.724.024.724.824.624.323.422.020.722.7
Dulles
-4.5-3.30.55.610.716.118.617.913.56.61.8-2.76.8
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 ( C )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
24.125.026.027.428.829.229.629.729.027.626.024.727.3
Dulles
0.72.36.812.417.322.424.824.119.913.38.02.612.9
Highest Recorded Temperature ( C )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
35.032.032.036.037.038.038.037.038.038.037.031.038.0
Dulles
23.926.131.733.936.138.940.640.037.234.428.926.140.6
Lowest Recorded Temperature ( C )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
13.012.09.514.018.020.521.021.019.015.012.012.09.5
Dulles
-27.8-25.6-18.3-8.3-2.22.25.03.3-1.1-9.4-12.8-20.0-27.8
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 ( km/h )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
14.016.016.016.016.016.014.014.014.014.014.014.014.0
Dulles
12.612.913.813.011.310.19.59.09.710.111.311.711.3
Cooling Degree Days ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
161.9162.4208.4232.5285.9295.8315.2312.6289.2267.8213.3183.43075.2
Dulles
3.017.072.0237.0363.0324.0141.019.02.01178.0
Growing Degree Days ( Days )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
420.2397.8466.7482.5544.2545.8573.5570.9539.2526.2463.3441.86325.5
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 ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
4.44.95.86.57.38.07.57.16.75.64.64.36.0
Dulles
3.04.05.57.28.38.98.67.65.94.33.22.75.8
Average Daily Solar Radiation - Direct ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
20.623.624.826.224.821.524.223.621.121.020.919.422.6
Dulles
11.313.414.715.816.917.417.616.416.616.612.610.415.0
Average Daily Solar Radiation - Global ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
15.418.821.924.624.723.024.423.520.818.516.114.320.5
Dulles
7.19.913.416.819.220.320.117.915.312.18.06.213.9
Average Daily Solar Radiation - Reflected ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
18.921.723.123.822.622.924.222.221.120.519.417.121.5
Dulles
11.213.415.617.017.617.817.917.317.016.312.310.315.3
Maximum Daily Solar Radiation - Diffuse ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
5.25.76.57.68.88.98.97.77.36.25.14.86.9
Dulles
3.04.15.77.48.69.18.87.86.34.63.32.75.9
Maximum Daily Solar Radiation - Direct ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
24.527.528.330.329.825.529.227.628.624.725.024.427.1
Dulles
14.018.519.820.023.123.620.820.021.523.117.413.019.6
Maximum Daily Solar Radiation - Global ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
15.418.821.924.624.723.024.423.520.818.516.114.320.5
Dulles
7.19.913.416.819.220.320.117.915.312.18.06.213.9
Maximum Daily Solar Radiation - Reflected ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
21.123.825.025.724.825.126.724.125.022.521.719.823.8
Dulles
13.416.718.919.420.720.719.519.319.920.615.612.318.1
Minimum Daily Solar Radiation - Diffuse ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
3.94.25.15.76.47.46.56.35.35.04.03.65.3
Dulles
2.83.65.16.87.78.38.37.35.43.52.82.65.4
Minimum Daily Solar Radiation - Direct ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
13.618.020.620.113.113.613.219.916.316.717.314.916.4
Dulles
8.38.69.711.87.212.113.912.912.210.87.06.410.1
Minimum Daily Solar Radiation - Global ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
12.416.319.921.418.018.418.121.618.216.414.612.517.3
Dulles
6.07.910.814.512.717.117.915.813.19.85.94.811.4
Minimum Daily Solar Radiation - Reflected ( Mj/m2 )
CityJanFebMarAprMayJunJulAugSepOctNovDecAnn
Cancun
14.618.420.920.716.818.117.720.418.418.017.214.618.0
Dulles
9.09.912.114.511.715.116.115.314.112.38.17.212.1
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