Saint John Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Saint John’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in US Virgin Islands.
Monthly Temperature Averages
In Saint John temperatures are generally consistent throughout the year. Typically, maximum daytime temperatures range from a comfortable 30°C in September to a comfortable 27°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 24°C, particularly during the colder months.
The chart below illustrates the average maximum day and minimum night temperatures in Saint John by month:
The minimum temperature is commonly observed between 4 AM and 6 AM, with the maximum occurring around 3 PM, when the sun’s strength is at its peak.
The chart below shows the average temperature throughout the year:
February, the city’s coldest month, sees about 35 mm of rainfall spread over roughly 15 days.
Annual Temperatures in US Virgin Islands Compared
The map below shows the annual temperature across US Virgin Islands. You can also select the different months in case you are interested in a specific month.
very warm
warm
pleasant
moderate
cold
very cold
Saint John Temperatures Compared World Wide
Saint John’s average annual maximum temperature is 28°C. Let’s compare this with some popular tourist destinations:
Seville, Spain, stands out with its warm Mediterranean climate and an average annual temperature of 23°C.
Glasgow, Scotland, the average annual temperature is significantly lower at 13°C, with mild summers and cold winters.
Beijing, China, experiences more extreme temperature shifts, but still averaging 20°C annually.
In Tokyo, Japan, the average annual temperature is 21°C, expect warmer summers and milder winters.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Temperatures in the Mountains
Although not all regions have mountains, elevated areas exhibit distinct temperature variations.
- Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
- Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.
For more detailed information about Saint John’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Saint John climate page.
Current temperature in Saint John
