Niagara, Canada experiences average highs of 12°C (54°F) and lows of 7°C (45°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Average highs have cooled by 0.9°C (1.6°F) across the available records.
Niagara, Canada Weather & Climate 2026
Monthly climate averages for Niagara, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: Mar–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.9/10
Best: June, July, August, September
UV Index
4
Low
Temperature 12°C / 7°C
Feels Like 10°C / 5°C
Rainy Days 10
Rainfall 69 mm
Sunshine 8 h
Humidity 75%
Wind Speed 20 km/h
Dew Point 5°C
Snow Days 9 days
Frost Days 15 days
Hottest Month
25°C
July
Avg Low20°C
Rain11days
Coldest Month
-4°C
January
Avg High0°C
Rain9days
Driest Month
7days
September
Avg High21°C
Avg Low17°C
Windiest Month
23 km/h
February (Gusts 44)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:37
Daylight 15.4h
Sunset 21:02
Live conditions—
Niagara on the map · live conditions
Niagara, Canada
- Continent
- Americas
- Country
- Canada
- City
- Niagara
- Population
- 31.2K
- Coordinates
- 43.64°, -79.41°
Seasonal Breakdown
Spring
Mar–May
Avg High 9°C
Avg Low 4°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 18°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 15°C
Avg Low 11°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 1°C
Avg Low -3°C
Rain 10 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: 0°C / -4°C . Feb: 1°C / -4°C . Mar: 4°C / -1°C . Apr: 8°C / 3°C . May: 14°C / 9°C . Jun: 21°C / 16°C . Jul: 25°C / 20°C . Aug: 25°C / 20°C . Sep: 21°C / 17°C . Oct: 15°C / 11°C . Nov: 8°C / 4°C . Dec: 3°C / -1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 64 mm. Feb: 60 mm. Mar: 69 mm. Apr: 86 mm. May: 71 mm. Jun: 77 mm. Jul: 76 mm. Aug: 68 mm. Sep: 50 mm. Oct: 73 mm. Nov: 57 mm. Dec: 71 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 75%. Mar: 74%. Apr: 75%. May: 77%. Jun: 74%. Jul: 74%. Aug: 75%. Sep: 75%. Oct: 74%. Nov: 74%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 23 km/h . Mar: 22 km/h . Apr: 22 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 17 km/h . Oct: 20 km/h . Nov: 22 km/h . Dec: 22 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 9h. May: 11h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 7h. Nov: 6h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
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: 12 days. Mar: 7 days. Apr: 4 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 5 days. Dec: 11 days.
Climate Trends
Average highs have cooled by 0.9°C (1.6°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 · 26°C | Jul · 25°C |
| Coldest month | Feb 2025 · -6°C | Jan · -4°C |
| Wettest month | May 2025 · 87 mm | Apr · 86 mm |
| Windiest month | Dec 2025 · 25 km/h | Feb · 23 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -4°C | -4°C / -10°C | 9days (64 mm) Wet | 4.9h Fair | 75% Muggy | 1.8 Low | Poor | View Details |
| February | 1°C / -4°C | -4°C / -10°C | 9days (60 mm) Wet | 6.4h Fair | 75% Muggy | 3 Moderate | Poor | View Details |
| March | 4°C / -1°C | 0°C / -6°C | 11days (69 mm) Wet | 7.6h Good | 74% Muggy | 3.9 Moderate | Poor | View Details |
| April | 8°C / 3°C | 5°C / -1°C | 13days (86 mm) Wet | 8.8h Good | 75% Muggy | 4.8 Moderate | Poor | View Details |
| May | 14°C / 9°C | 13°C / 6°C | 11days (71 mm) Wet | 10.6h Excellent | 77% Humid | 6.1 High | Fair | View Details |
| June best | 21°C / 16°C | 21°C / 15°C | 10days (77 mm) Wet | 12h Excellent | 74% Muggy | 6.5 High | Excellent | View Details |
| July best | 25°C / 20°C | 27°C / 21°C | 11days (76 mm) Wet | 12.1h Excellent | 74% Muggy | 6.8 High | Excellent | View Details |
| August best | 25°C / 20°C | 26°C / 21°C | 9days (68 mm) Wet | 11.3h Excellent | 75% Muggy | 6 High | Excellent | View Details |
| September best | 21°C / 17°C | 22°C / 17°C | 7days (50 mm) Good | 9.7h Good | 75% Muggy | 5.1 High | Excellent | View Details |
| October | 15°C / 11°C | 13°C / 8°C | 10days (73 mm) Wet | 6.9h Fair | 74% Muggy | 3.4 Moderate | Good | View Details |
| November | 8°C / 4°C | 4°C / 0°C | 10days (57 mm) Wet | 5.5h Fair | 74% Muggy | 2.1 Moderate | Poor | View Details |
| December | 3°C / -1°C | -1°C / -6°C | 11days (71 mm) Wet | 4.3h Fair | 77% Humid | 1.5 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Niagara are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Niagara, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Niagara is July, with average daytime highs of 25°C (77°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Niagara is January, with average overnight lows of -4°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Niagara is April, averaging 86mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Niagara runs through April, March, May, July, with the heaviest rainfall in April. Based on 10-year averages for Niagara.
Niagara receives approximately 100 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Niagara.
The least favorable months to visit Niagara are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Niagara is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Niagara is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Niagara receives snow. Months with snowfall average 9 snow days and 16 cm (6 in) of accumulation, with about 15 frost days during winter.
Average wind speeds in Niagara are 20 km/h (12 mph). The windiest month is February with peak winds reaching 23 km/h (14 mph) (gusts up to 44 km/h / 27 mph).
Niagara averages 3 clear-sky days per month with overall cloud cover around 62%. The clearest skies occur in September.
The annual average dew point in Niagara is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Niagara has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Niagara ranges from 5°C (41°F) to 10°C (50°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Niagara. It earns a climate score of 8.3/10 with Excellent.
For June in Niagara, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 21°C (69°F) and 10 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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