Canada
Yellowknife in May: weather & travel advice
This month's data profile
Strong month under the current formula
Yellowknife in May is climatically mixed. The average daily high is around 10 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
53/100 · #4
Warmth
#5
Dryness
#7
Sun
#2
Published best categories: City break
Yellowknife · MayPhoto: Sebastian Schlaeger · CC BY-SA 2.0Climate facts
- Average high
- 10 °C
- Average low
- 2 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 75 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| April | -2 | -10 | 5 | 20 | 5.8 | 90 | 4.1 | 47 |
| May (selected) | 10 | 2 | 8 | 45 | 7.1 | 75 | 4.4 | 53 |
| June | 18 | 10 | 9 | 52 | 7.6 | 67 | 4.0 | 74 |
How do the previous and next months compare?
Baseline: May (53/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| April | -6 | -12.3 °C | -12.4 °C | -3.2 | -24.6 mm | -1.3 h | +15.5 % | -0.3 m/s |
| June | +21 | +7.9 °C | +8.2 °C | +1.2 | +7.2 mm | +0.5 h | -7.8 % | -0.4 m/s |
All twelve months in context

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Frequently asked questions
How warm is Yellowknife in May?
The average daily high is around 10 °C, with an average daily low of about 2 °C.
Does it rain a lot in Yellowknife in May?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 45 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Yellowknife?
By the climate score, June, July and August are the strongest months for Yellowknife. May is not among them.