Alert Weather & Climate: Best Time to Visit
Temperatures in Alert, Canada, vary greatly throughout the year. July is the hottest month at 8°C (46°F), while February is the coldest at -28°C (-18°F).
The city has an arid climate, receiving only 220 mm (8.7 in) of rain/snowfall per year. The sunniest month is May, with 14.3 hours of sunshine per day on average.
Monthly Temperature in Alert
The climate in Alert is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a chilly 8°C (46°F) in July to a very cold -28°C (-18°F) in February.
Nighttime temperatures range from 3°C (37°F) in July to -34°C (-29°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Alert
Alert is known for its low rain/snowfall, with yearly precipitation amounts around 220 mm (8.7 in). The seasons in Alert bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 34 mm (1.3 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, February, experiences much less snowfall, totaling 9.5 mm (0.4 in) over 6 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Alert Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Alert
In Alert, summer days are longer and more sunny, with daily sunshine hours peaking at 14.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 0.0 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Alert by Month
The relative humidity is high throughout the year in Alert.
The city experiences its highest humidity in June, reaching 87%. In January, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Alert
The average wind speed over the year ranges from 1 m/s (2 knots) to 3 m/s (6 knots). It is lower in March and April and higher in June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Alert 3-Day Forecast
Check the conditions for any month of the year.
