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GrenadaThe climate of Saint John
The current climate in Saint John features temperatures ranging from a high of 32°C to a low of 30°C throughout the year. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 24°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Saint John, Grenada.
Temperature records
The highest temperature recorded in Saint John in recent years was 39°C in June 2017. The lowest daytime temperature recorded was 25°C in February 2021.
Rainfall amount
On average, Saint John receives 1173 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Saint John?
The best time to go for a sun holiday to Saint John is January through May and December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Saint John. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Saint John
The climate table of Saint John shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 30 |
| Temp. min (°C) | 24 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 25 |
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| Precipitation (mm) | 62 | 41 | 23 | 23 | 40 | 133 | 128 | 188 | 125 | 151 | 173 | 86 |
| UV Index | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Saint John, Grenada. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Saint John
Yearly Temperature in Saint John
Precipitation charts
These charts show the average amount of precipitation in Saint John, Grenada. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Saint John
Total Yearly Precipitation in Saint John
UV index chart
This chart shows the average UV index per month in Saint John, Grenada. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Saint John
Weather experiences in Saint John
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Average weather in Saint John by month
Click on a month below to see detailed weather info for Saint John. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.