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Average climate of Saint John’s

The climate of Saint John’s has an average yearly temperature of 30°C. Throughout the year, the average monthly temperature can drop to 28°C and rise to 31°C.

Annually, about 832 mm of rain falls. This gives a good overview of how much rain to expect in Saint John’s.

Climate table Saint John’s

The climate table for Saint John’s shows the average temperatures, precipitation, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 28 28 29 29 30 30 31 31 31 31 30 29
Nighttime temperature (°C) 24 23 24 24 26 26 27 27 26 26 25 24
Precipitation (mm) 45 33 35 49 76 49 62 83 116 94 123 67
UV Index 8 8 9 9 9 9 9 9 9 8 7 7

Temperature per month in Saint John’s

This graph shows the average high temperatures in degrees Celsius for each month in Saint John’s

Temperature per month in Saint John’s

Precipitation per month in Saint John’s

This graph shows the average monthly precipitation in millimeters in Saint John’s.

Precipitation per month in Saint John’s

UV index per month in Saint John’s

This graph shows the average UV index per month in Saint John’s.

UV index per month in Saint John’s

Yearly temperature in Saint John’s

This graph shows the average yearly temperature in Saint John’s, measured in degrees Celsius.

Yearly temperature in Saint John’s

Yearly total precipitation in Saint John’s

This graph shows the average yearly precipitation in millimeters in Saint John’s.

Precipitation per year in Saint John’s

Weather experiences in Saint John’s

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Average weather in Saint John’s per month

Click on a month below to see in detail how the weather typically is in Saint John’s and what to expect. Based on the historical weather data of Saint John’s, you can view the average temperature, precipitation, wind, and UV index for each day of the month.