Mayo, Canada experiences average highs of 2°C (36°F) and lows of -5°C (23°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Average highs have cooled by 0.8°C (1.4°F) across the available records.
Mayo, Canada Weather & Climate 2026
Monthly climate averages for Mayo, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.9/10
Best: June, July, August
UV Index
2
Low
Temperature 2°C / -5°C
Feels Like -1°C / -9°C
Rainy Days 8
Rainfall 33 mm
Sunshine 8 h
Humidity 71%
Wind Speed 9 km/h
Dew Point -6°C
Snow Days 10 days
Frost Days 23 days
Hottest Month
22°C
July
Avg Low14°C
Rain13days
Coldest Month
-23°C
December
Avg High-17°C
Rain7days
Driest Month
4days
February
Avg High-15°C
Avg Low-23°C
Windiest Month
12 km/h
May (Gusts 35)
Worst Time to Visit
Consider avoiding January, October, November, December due to very cold temperatures.
Sun Position
Sunrise 03:47
Daylight 20.6h
Sunset 00:24
Live conditions—
Mayo on the map · live conditions
Mayo, Canada
- Continent
- Americas
- Country
- Canada
- City
- Mayo
- Population
- 540
- Coordinates
- 63.59°, -135.90°
Seasonal Breakdown
Spring
Mar–May
Avg High 4°C
Avg Low -5°C
Rain 7 days/mo
Summer
Jun–Aug
Avg High 20°C
Avg Low 12°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 1°C
Avg Low -5°C
Rain 9 days/mo
Winter
Dec–Feb
Avg High -16°C
Avg Low -23°C
Rain 5 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -17°C / -22°C . Feb: -15°C / -23°C . Mar: -5°C / -15°C . Apr: 4°C / -5°C . May: 14°C / 4°C . Jun: 20°C / 11°C . Jul: 22°C / 14°C . Aug: 19°C / 11°C . Sep: 13°C / 5°C . Oct: 2°C / -3°C . Nov: -11°C / -16°C . Dec: -17°C / -23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 17 mm. Feb: 12 mm. Mar: 12 mm. Apr: 15 mm. May: 45 mm. Jun: 50 mm. Jul: 55 mm. Aug: 54 mm. Sep: 49 mm. Oct: 41 mm. Nov: 23 mm. Dec: 22 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 74%. Mar: 72%. Apr: 67%. May: 62%. Jun: 59%. Jul: 62%. Aug: 67%. Sep: 75%. Oct: 80%. Nov: 82%. Dec: 78%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 8 km/h . Feb: 7 km/h . Mar: 9 km/h . Apr: 11 km/h . May: 12 km/h . Jun: 10 km/h . Jul: 10 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 9 km/h . Nov: 7 km/h . Dec: 8 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 5h. Mar: 9h. Apr: 11h. May: 13h. Jun: 15h. Jul: 14h. Aug: 12h. Sep: 8h. Oct: 5h. Nov: 2h. Dec: 2h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 0. Feb: UV 1. Mar: UV 2. Apr: UV 3. May: UV 4. Jun: UV 5. Jul: UV 5. Aug: UV 4. Sep: UV 2. Oct: UV 1. Nov: UV 0. Dec: UV 0.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 13 days. Feb: 10 days. Mar: 10 days. Apr: 9 days. May: 3 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 12 days. Nov: 13 days. Dec: 15 days.
Climate Trends
Average highs have cooled by 0.8°C (1.4°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 22°C | Jul · 22°C |
| Coldest month | Dec 2025 · -34°C | Dec · -23°C |
| Wettest month | Sep 2025 · 70 mm | Jul · 55 mm |
| Windiest month | Apr 2025 · 13 km/h | May · 12 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Good July best
Excellent August best
Good September
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -17°C / -22°C | -21°C / -27°C | 5days (17 mm) Good | 2.1h Poor | 78% Humid | 0.3 Low | Poor | View Details |
| February | -15°C / -23°C | -20°C / -27°C | 4days (12 mm) Good | 5.2h Fair | 74% Muggy | 1 Low | Poor | View Details |
| March | -5°C / -15°C | -9°C / -19°C | 4days (12 mm) Good | 8.6h Good | 72% Muggy | 2.1 Moderate | Poor | View Details |
| April | 4°C / -5°C | 1°C / -9°C | 5days (15 mm) Good | 11.4h Excellent | 67% Muggy | 3.4 Moderate | Poor | View Details |
| May | 14°C / 4°C | 11°C / 1°C | 11days (45 mm) Wet | 13.3h Excellent | 62% Muggy | 4.4 Moderate | Fair | View Details |
| June best | 20°C / 11°C | 18°C / 10°C | 13days (50 mm) Wet | 14.9h Excellent | 59% Moderate | 5.1 High | Good | View Details |
| July best | 22°C / 14°C | 21°C / 13°C | 13days (55 mm) Wet | 14h Excellent | 62% Muggy | 4.9 Moderate | Excellent | View Details |
| August best | 19°C / 11°C | 18°C / 10°C | 10days (54 mm) Wet | 11.5h Excellent | 67% Muggy | 4 Moderate | Good | View Details |
| September | 13°C / 5°C | 10°C / 3°C | 12days (49 mm) Wet | 8.3h Good | 75% Muggy | 2.1 Moderate | Fair | View Details |
| October | 2°C / -3°C | -1°C / -7°C | 10days (41 mm) Wet | 5.2h Fair | 80% Humid | 1.1 Low | Poor | View Details |
| November | -11°C / -16°C | -15°C / -21°C | 6days (23 mm) Good | 2.3h Poor | 82% Humid | 0.4 Low | Poor | View Details |
| December | -17°C / -23°C | -22°C / -28°C | 7days (22 mm) Good | 1.8h Poor | 78% Humid | 0.1 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Mayo are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Mayo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Mayo is July, with average daytime highs of 22°C (72°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Mayo is December, with average overnight lows of -23°C (-10°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Mayo is July, averaging 55mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Mayo runs through June, July, September, May, with the heaviest rainfall in June. Based on 10-year averages for Mayo.
Mayo receives approximately 99 sunshine hours per year. The sunniest month is June with around 15 hours. Based on climate data for Mayo.
The least favorable months to visit Mayo are January, October, November, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August instead.
The annual average UV index in Mayo is 2, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Mayo is 71%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Mayo receives snow. Months with snowfall average 10 snow days and 11 cm (4 in) of accumulation, with about 23 frost days during winter.
Average wind speeds in Mayo are 9 km/h (6 mph). The windiest month is May with peak winds reaching 12 km/h (7 mph) (gusts up to 35 km/h / 22 mph).
Mayo averages 2 clear-sky days per month with overall cloud cover around 68%. The clearest skies occur in March.
The annual average dew point in Mayo is -6°C (21°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Mayo has a Subarctic climate, classified as Dfc under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Mayo ranges from -9°C (16°F) to -1°C (30°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Mayo. It earns a climate score of 7.2/10 with Good.
For June in Mayo, pack Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 20°C (68°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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