Temperatures in May
It's cold in May in Alert with an average temperature of -8°C. Temperatures this month range from a low of -13°C to a high of -2°C. At night, you can expect temperatures between -17°C and -6°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Alert in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Alert with very cold temperatures, averaging around -11°C during the day and nights close to -16°C. There’s little chance of precipitation. The weather is mostly sunny and dry. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-May
By mid-May, the average daytime temperature rises to around -7°C, with nights close to -11°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
End of May
By the end of May, the average daytime temperature in Alert will be around -4°C, with nights close to -8°C. A shower might show up, but overall the weather will be dry and sunny. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Precipitation in May
In May, there is an average of 137 mm of precipitation, spread over 4 days. Of the total precipitation, about 56 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the Southwest.
The precipitation chance averages 14% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Alert. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Alert in May |
London | ||
|---|---|---|---|
 Average Temperature |
-8°C | 18°C | |
 High Temp |
-2°C | 21°C | |
| Low Temp |
-13°C | 15°C | |
 Total Precipitation |
137 mm | 46 mm | |
| Rainy Days |
4 days | 8 days | |
 Total Snowfall |
56 cm | 0 cm | |
| Snowy Days |
18 days | 0 days | |
April
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is May a good time to visit Alert?
After some sun? Then May isn’t the best time to be in Alert. There’s too much chance of rain this month.
Temperature records for Alert in May
With 3°C, Alert hit the highest temperature in the last 10 years in May 2014. The lowest daytime temperature in this month was -19°C in 2017. The extreme night temperatures ranged from a low of -24°C to a high of -1°C.
Check out the climate of Alert for all months and discover the best travel time
Curious about the climate in other parts of Canada? Check out the weather and climate in places like Vancouver, Toronto, Niagara Falls, or have a look at other destinations in Canada.
Daily Temperature in May in Alert
This chart shows the average daily temperatures, both day and night, for each day in May in Alert, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Alert
The chart below shows the average daily precipitation in May for Alert, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 4 days of rain in Alert.
Daily Snowfall in May in Alert
This chart shows the average daily snowfall in May in Alert, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV Index in May in Alert
This chart shows the average daily UV index in May in Alert, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Alert Over the Years
This chart shows the average temperature in May in Alert, measured in degrees Celsius, over the past years.
Total Precipitation in May in Alert Over the Years
This chart shows the average precipitation in May in Alert, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in May in Alert per year
This chart shows the average snowfall in May in Alert, measured in centimetres, over the past years.
Daily climate in May for Alert
Click on a specific day in May for detailed info on the typical weather on that day in Alert. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Alert
Have you been to Alert in May?
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Average Weather in Alert by Month
Click on a month below to see detailed weather info for Alert. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
