Weather radar St. John's
Real-time precipitation radar · Neufundland · Canada
St. John's climate table – average temperature, precipitation & sunshine hours
The climate table for St. John's shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 0.7° | -0.1° | 1.3° | 5.2° | 9.4° | 14.1° | 19.6° | 19.9° | 16.8° | 11.7° | 7.3° | 2.9° |
| Avg low (°C) | -4.7° | -5.8° | -4° | -0.4° | 2.9° | 7.5° | 12.9° | 14.2° | 11.1° | 7° | 2.5° | -1.6° |
| Precipitation (mm) | 145 | 112 | 107 | 92 | 79 | 76 | 80 | 90 | 99 | 106 | 122 | 134 |
| Rainy days | 16 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 13 | 14 | 15 |
| Sunshine hours | 117 | 142 | 198 | 214 | 248 | 241 | 278 | 259 | 219 | 165 | 118 | 101 |
| Humidity | – | – | – | – | – | – | – | – | – | – | – | – |
Best time to visit St. John's
The best time to visit St. John's is typically July. In this month the average high is 19.6°C, precipitation is 80 mm and sunshine duration is 278 hours. The annual average high is 9.1°C, total annual precipitation is 1242 mm (151 rainy days/year) and annual sunshine is 2300 hours.
Frequently asked questions about the weather in St. John's
How up to date is the weather radar for St. John's?
The weather radar for St. John's is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for St. John's?
Besides the rain radar, RadarWeather provides for St. John's: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in St. John's?
The thunderstorm potential for St. John's is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near St. John's.
What is the climate like in St. John's?
St. John's has an annual average high of 9.1°C. The warmest month is August (avg high 19.9°C), the coldest February (avg low -5.8°C). The wettest month is January with 145 mm, the driest June with 76 mm. Total annual precipitation is 1242 mm (151 rainy days). Annual sunshine is 2300 hours.
Weather radar near St. John's
Charlottetown · Halifax · Fredericton · Quebec City · Boston · Montreal · Ottawa · New York
All cities in North America →