UTC Offset
UTC-04:00
Chalk River, Canada Snapshot 2026
Where is Chalk River?
Chalk River, Canada
- Continent
- Americas
- Country
- Canada
- City
- Chalk River
- Population
- 1K
- Coordinates
- 46.02°, -77.45°
Chalk River is a city in Canada with a population of approximately 1K. Average temperatures range from -13°C (8°F) in January to 26°C (79°F) in July. The best time to visit is May, June, July, August, September.
Time in Chalk River right now
Open full time & time zone page 00:18 18
Thursday, June 18, 2026
IANA time zone
America/Toronto
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in Chalk River
Daylight in Chalk River today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 45m
Climate normals for Chalk River
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -5°C / -13°C | -9°C / -18°C | 10days (60 mm) Wet | 4.5h Fair | 78% Humid | 1.7 Low | Poor | View Details |
| February | -3°C / -12°C | -8°C / -17°C | 12days (66 mm) Wet | 6h Fair | 75% Muggy | 2.5 Moderate | Poor | View Details |
| March | 2°C / -7°C | -2°C / -12°C | 12days (78 mm) Wet | 7.3h Good | 72% Muggy | 3.6 Moderate | Poor | View Details |
| April | 9°C / -1°C | 6°C / -5°C | 13days (102 mm) Wet | 8.2h Good | 70% Muggy | 4.4 Moderate | Poor | View Details |
| May best | 18°C / 7°C | 17°C / 5°C | 12days (87 mm) Wet | 10h Excellent | 68% Muggy | 5.7 High | Good | View Details |
| June best | 23°C / 13°C | 24°C / 12°C | 12days (106 mm) Wet | 10.7h Excellent | 70% Muggy | 6.2 High | Excellent | View Details |
| July best | 26°C / 17°C | 27°C / 17°C | 12days (96 mm) Wet | 11.8h Excellent | 72% Muggy | 6.5 High | Excellent | View Details |
| August best | 25°C / 16°C | 25°C / 16°C | 12days (104 mm) Wet | 10.3h Excellent | 75% Muggy | 5.7 High | Excellent | View Details |
| September best | 21°C / 12°C | 20°C / 11°C | 9days (82 mm) Wet | 8.6h Good | 77% Humid | 4.5 Moderate | Excellent | View Details |
| October | 13°C / 6°C | 11°C / 4°C | 12days (91 mm) Wet | 6h Fair | 78% Humid | 2.9 Moderate | Fair | View Details |
| November | 4°C / -1°C | 1°C / -6°C | 12days (69 mm) Wet | 4.3h Fair | 78% Humid | 1.7 Low | Poor | View Details |
| December | -2°C / -9°C | -6°C / -14°C | 11days (72 mm) Wet | 3.7h Poor | 79% Humid | 1.4 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -5°C / -13°C . Feb: -3°C / -12°C . Mar: 2°C / -7°C . Apr: 9°C / -1°C . May: 18°C / 7°C . Jun: 23°C / 13°C . Jul: 26°C / 17°C . Aug: 25°C / 16°C . Sep: 21°C / 12°C . Oct: 13°C / 6°C . Nov: 4°C / -1°C . Dec: -2°C / -9°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 60 mm. Feb: 66 mm. Mar: 78 mm. Apr: 102 mm. May: 87 mm. Jun: 106 mm. Jul: 96 mm. Aug: 104 mm. Sep: 82 mm. Oct: 91 mm. Nov: 69 mm. Dec: 72 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 75%. Mar: 72%. Apr: 70%. May: 68%. Jun: 70%. Jul: 72%. Aug: 75%. Sep: 77%. Oct: 78%. Nov: 78%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 14 km/h . Oct: 16 km/h . Nov: 17 km/h . Dec: 16 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 4. May: UV 6. Jun: UV 6. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Frequently Asked Questions
Chalk River has a population of approximately 1K.
The best months to visit Chalk River are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Chalk River receives approximately 1013mm of rainfall annually across 139 rainy days.
Chalk River is located in Canada, in the Americas region.