Yellowknife Weather: May
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Average Day Temperature: | 46.0°F |
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Average Night Temperature: | 35.3°F |
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Sea Water Temperature: | 32.1°F |
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Number of Sunny Days: | 11 days |
| Sunshine Hours: | 16.5 - 19.2 hours | |
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Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.3 in | |
| detailed information | ||
forecast
| Yellowknife |
Temperature
| Yellowknife |
Air Temperature in May, °F
The highest day temperature in May 2025 was 44°F. The lowest night temperature was 8°F. The average values for day and night temperatures during May were 33.4°F и 29.8°F respectivly.
Yellowknife Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for Yellowknife was 32.7°F. The maximum and minimum values were 30.6°F and 34.8°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Yellowknife is 0.3 in. This value is relatively stable throughout the year.
The average wind speed in May is 9.9 mph. It makes May one of the most windy months of the year for Yellowknife.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Yellowknife in May is 9.8 hours.
| Halifax | ![]() |
+12 |
| Kingston | ![]() |
+4 |
| Moncton | ![]() |
-6 |
| Montreal | ![]() |
-2 |
| Niagara Falls | ![]() |
+10 |
| Ottawa | ![]() |
-4 |
| Prince Edward Island | ![]() |
+6 |
| Quebec | ![]() |
-12 |
| Rocky Harbour | ![]() |
+28 |
| St. John's | ![]() |
+32 |
| Sydney | ![]() |
+24 |
| Toronto | ![]() |
+10 |
| Vancouver | ![]() |
+42 |
| Victoria | ![]() |
+44 |
| Winnipeg | ![]() |
+12 |
| 0000 | ![]() |
-12°F | SE 13 mph |
| 0300 | ![]() |
-18°F | SE 10 mph |
| 0600 | ![]() |
-22°F | SE 7 mph |
| 0900 | ![]() |
-26°F | SE 6 mph |
| 1200 | ![]() |
-26°F | SE 6 mph |
| 1500 | ![]() |
-26°F | S 5 mph |
| 1800 | ![]() |
-30°F | S 6 mph |
| 2100 | ![]() |
-30°F | S 6 mph |

































