Peak in July
Coolest in January
Heavy in August
Peak in dry season
Yellowknife Monthly Weather Guide
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April
May
June
July
August
September
October
November
December
Essential Travel Info for Yellowknife
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Safety
Very High Safety
GPI: 1.389
Best Time to Visit Yellowknife
Location, climate overview & historical trends
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📍 62.4540° N, 114.3718° W
Open in Google MapsYellowknife is a prominent destination in Canada.
Located at 62.45°N latitude,Yellowknife experiences a subarctic climate with cold winters and mild summers.
Based on 30 years of data, July is the warmest month (avg. 21°C), while January is the coolest. August sees the most rain (18% chance), making February the driest month.
Historical Climate Trend
30-Year Analysis+1.25°C
Total over 30 years
+0.42°C
Per decade
Linear regression analysis of historical maximum temperatures for Yellowknife, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)June, July, August
Best months to visit
0°C
Avg High
Based on 30 years of NASA satellite data,Yellowknife receives approximately 146mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
-0.3°
2024 Avg
0.8°
2040 Proj
1.7°
+0.42°C
per decade (observed)
+0.58°C
per decade (CMIP6)
🌡️ Yellowknife has warmed by +1.3°C since 1995. By 2040, an additional +0.9°C is projected (based on CMIP6 rate of 0.582°C/decade), for a total of +2.2°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for Yellowknife
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Flight Connectivity Analysis
Airport traffic data & seasonal patterns
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May
Low
Jul
Monthly Traffic Distribution
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Health & Safety Advisory
CDC travel health recommendations
COVID-19
All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.
Hepatitis A
Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.
Hepatitis B
Recommended for unvaccinated travelers younger than 60 years old traveling to Canada. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Canada.
Measles
Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.
Rabies
Dogs infected with rabies are not commonly found in Canada.Rabies is commonly found in some terrestrial wildlife species and bats.If rabies exposures occur while in Canada, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.
Yellow Fever
CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025
Source: CDC Travelers' Health
View Complete Health GuideYellowknife Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | -21°C | 4% | ❄️ Cold |
| February | -20°C | 3% | ❄️ Cold |
| March | -13°C | 4% | ❄️ Cold |
| April | -2°C | 5% | ❄️ Cold |
| May | 10°C | 8% | Neutral |
| June | 17°C | 10% | 😊 Pleasant |
| July | 21°C | 13% | ✨ Perfect |
| August | 18°C | 18% | 😊 Pleasant |
| September | 12°C | 16% | Neutral |
| October | 2°C | 11% | ❄️ Cold |
| November | -9°C | 10% | ❄️ Cold |
| December | -18°C | 6% | ❄️ Cold |
Yellowknife Weather FAQ
When is the best time to visit Yellowknife?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, June, July, August are usually great choices.
When is the hottest month in Yellowknife?
July is historically the hottest month in Yellowknife with average highs of 21°C.
When does it rain the most in Yellowknife?
August typically sees the highest probability of rain (18%).
Is Yellowknife expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.