The bar chart below shows the average monthly peak daytime temperatures at San Juan
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 33.3 | 31.8 | 28.6 | 23.8 | 18.8 | 15.1 | 15.3 | 18.2 | 21.7 | 26.2 | 29.9 | 32.8 |
°F | 92 | 89.3 | 83.6 | 74.9 | 65.8 | 59.2 | 59.5 | 64.7 | 71 | 79.2 | 85.9 | 91 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 19 | 18 | 11 | 4 | 2 | 3 | 4 | 2 | 4 | 6 | 9 | 11 |
inches | 0.8 | 0.7 | 0.4 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.3 | 0.4 | 0.4 |
Rainy days | 5 | 5 | 4 | 2 | 1 | 1 | 2 | 1 | 2 | 2 | 3 | 4 |
Average annual rainfall in San Juan: -6.466mm (-2.5 inches)
The bar chart below shows the average daily sunshine hours in San Juan
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 11.2 | 10.7 | 9.4 | 8.5 | 7.5 | 6.9 | 7.5 | 8.3 | 9 | 10.1 | 11.4 | 11.6 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 18.3 | 16.8 | 14 | 9 | 4.5 | 0.8 | 0.2 | 2.5 | 6.2 | 10.6 | 14.3 | 17.5 |
Max °C | 33.7 | 32.2 | 29 | 24.2 | 19.2 | 15.5 | 15.7 | 18.6 | 22.1 | 26.6 | 30.3 | 33.2 |
Min °F | 64.9 | 62.2 | 57.2 | 48.2 | 40 | 33.4 | 32.3 | 36.4 | 43.1 | 51.1 | 57.7 | 63.4 |
Max °F | 78.8 | 76.1 | 70.7 | 61.9 | 53.2 | 46.6 | 46.2 | 50.9 | 57.4 | 65.5 | 72.1 | 77.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 19 | 19.5 | 19 | 17.6 | 16.2 | 15.1 | 14.1 | 13.7 | 14 | 14.9 | 16 | 17.5 |
°F | 66.3 | 67.1 | 66.2 | 63.6 | 61.1 | 59.1 | 57.4 | 56.7 | 57.2 | 58.8 | 60.9 | 63.6 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 9 | 8 | 7 | 7 | 7 | 6 | 7 | 8 | 9 | 9 | 10 | 10 |
mph | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 6 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
48% | 53% | 57% | 61% | 65% | 64% | 61% | 51% | 48% | 47% | 46% | 46% |
Hottest month: | January | 33.3°C 91.9°F |
---|---|---|
Driest month: | May | 2mm 0.1ins |
Sunniest month: | November | 11.4hrs |
Coldest month: | July | 15.3°C 59.5°F |
Wettest month: | January | 19mm 0.7ins |
Warmest sea: | February | 19.5°C 67.1°F |