Last updated: June 24, 2025
In February, the average temperature in Saint John, United States hovers around 1°C (34°F), with a range that can dip to a frosty -13°C (9°F) and peak at a comfortable 16°C (62°F). Expect 74 mm (2.9 in) of precipitation spread over 15 days, accompanied by a high average humidity of 86%. Bundle up and be prepared for both chilly days and rainy spells!
In February in Saint John, the average temperature is 1°C (34°F). The maximum can reach 16°C (62°F), while the minimum can dip as low as -13°C (9°F). Be prepared for a range of temperatures when visiting during this time, and pack accordingly for both chilly and milder weather.
In Saint John in February, the precipitation amount is 74 mm (2.9 in) over the course of 15 days.
In Saint John in February, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.
In Saint John in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saint John for better planning.
UV Risk Categories
Weather in Saint John varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Saint John, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (35°F) | 62 mm (2.5 inches) | 85% | low |
February Weather | 1°C (34°F) | 74 mm (2.9 inches) | 86% | moderate |
March Weather | 6°C (42°F) | 56 mm (2.2 inches) | 86% | moderate |
April Weather | 10°C (50°F) | 48 mm (1.9 inches) | 82% | high |
May Weather | 15°C (59°F) | 45 mm (1.8 inches) | 77% | very high |
June Weather | 20°C (68°F) | 20 mm (0.8 inches) | 79% | very high |
July Weather | 24°C (76°F) | 2 mm (0.1 inches) | 77% | very high |
August Weather | 24°C (75°F) | 10 mm (0.4 inches) | 62% | very high |
September Weather | 18°C (64°F) | 22 mm (0.9 inches) | 60% | high |
October Weather | 10°C (50°F) | 54 mm (2.1 inches) | 80% | moderate |
November Weather | 5°C (41°F) | 74 mm (2.9 inches) | 87% | moderate |
December Weather | 1°C (34°F) | 70 mm (2.8 inches) | 86% | low |