San Juan Cotzal monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at San Juan Cotzal
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 19.4 | 20.5 | 22.1 | 23.7 | 23.6 | 22.2 | 21.5 | 21.9 | 21.2 | 20.6 | 20.2 | 19.7 |
| °F | 67 | 68.9 | 71.8 | 74.6 | 74.6 | 71.9 | 70.7 | 71.4 | 70.1 | 69 | 68.4 | 67.5 |
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.
Average rainfall & rainy days
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 | 64 | 47 | 45 | 49 | 118 | 276 | 259 | 205 | 245 | 186 | 109 | 75 |
| inches | 2.5 | 1.8 | 1.8 | 1.9 | 4.6 | 10.9 | 10.2 | 8.1 | 9.6 | 7.3 | 4.3 | 3 |
| Rainy days | 9 | 7 | 6 | 8 | 15 | 23 | 23 | 22 | 23 | 19 | 13 | 10 |
Average annual rainfall in San Juan Cotzal: 1602.034mm (630.7 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in San Juan Cotzal
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 8.3 | 7.8 | 8.5 | 8.7 | 7.9 | 6.9 | 6.7 | 6.8 | 5.7 | 6.3 | 6.6 | 6.7 |
Day / night temperatures
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 | 6.1 | 6.4 | 8 | 9.8 | 11.3 | 12.2 | 11.5 | 11.3 | 11.2 | 10.4 | 8.9 | 7.2 |
| Max °C | 19.8 | 20.9 | 22.5 | 24 | 24 | 22.4 | 21.8 | 22.2 | 21.4 | 20.8 | 20.5 | 20.1 |
| Min °F | 42.9 | 43.4 | 46.3 | 49.6 | 52.3 | 54 | 52.6 | 52.3 | 52.2 | 50.7 | 48 | 44.9 |
| Max °F | 55.2 | 56.5 | 59.4 | 62.4 | 63.7 | 63.1 | 61.9 | 62.1 | 61.3 | 60.1 | 58.5 | 56.5 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 27.2 | 27.2 | 27.8 | 28.9 | 29.6 | 29.6 | 29.6 | 29.7 | 29.5 | 29 | 28.6 | 28 |
| °F | 81 | 81 | 82 | 84 | 85.2 | 85.3 | 85.3 | 85.5 | 85.1 | 84.3 | 83.5 | 82.4 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 11 |
| mph | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 71% | 73% | 70% | 69% | 75% | 80% | 82% | 82% | 85% | 81% | 81% | 80% |
Other monthly averages
San Juan Cotzal weather stats
| Hottest month: | May | 23.6°C 74.5°F |
|---|---|---|
| Driest month: | March | 45mm 1.8ins |
| Sunniest month: | January | 8.3hrs |
| Coldest month: | January | 19.4°C 66.9°F |
| Wettest month: | June | 276mm 10.9ins |
| Warmest sea: | August | 29.7°C 85.5°F |
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