UTC Offset
UTC-04:00
Casselman, Canada Snapshot 2026
Where is Casselman?
Casselman, Canada
- Continent
- Americas
- Country
- Canada
- City
- Casselman
- Population
- 3.1K
- Coordinates
- 45.32°, -75.08°
Casselman is a city in Canada with a population of approximately 3.1K. Average temperatures range from -12°C (10°F) in January to 27°C (80°F) in July. The best time to visit is May, June, July, August, September.
Time in Casselman right now
Open full time & time zone page 08:51 51
Tuesday, June 16, 2026
IANA time zone
America/Toronto
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in Casselman
Daylight in Casselman today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 39m
Climate normals for Casselman
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 | -3°C / -12°C | -8°C / -17°C | 11days (78 mm) Wet | 4.8h Fair | 76% Humid | 2 Low | Poor | View Details |
| February | -1°C / -11°C | -6°C / -17°C | 12days (81 mm) Wet | 5.9h Fair | 75% Muggy | 3.1 Moderate | Poor | View Details |
| March | 4°C / -6°C | 0°C / -11°C | 13days (93 mm) Wet | 7.4h Good | 71% Muggy | 4.1 Moderate | Poor | View Details |
| April | 11°C / 1°C | 8°C / -3°C | 13days (115 mm) Wet | 8.1h Good | 66% Muggy | 4.7 Moderate | Poor | View Details |
| May best | 19°C / 8°C | 18°C / 6°C | 12days (94 mm) Wet | 10h Excellent | 67% Muggy | 5.5 High | Good | View Details |
| June best | 24°C / 14°C | 25°C / 13°C | 13days (102 mm) Wet | 10.6h Excellent | 70% Muggy | 6.2 High | Excellent | View Details |
| July best | 27°C / 17°C | 29°C / 18°C | 12days (113 mm) Wet | 11.7h Excellent | 73% Muggy | 6.5 High | Excellent | View Details |
| August best | 25°C / 17°C | 27°C / 17°C | 12days (110 mm) Wet | 10.3h Excellent | 75% Muggy | 5.7 High | Excellent | View Details |
| September best | 22°C / 13°C | 22°C / 12°C | 8days (67 mm) Wet | 9.1h Good | 75% Muggy | 4.8 Moderate | Excellent | View Details |
| October | 15°C / 7°C | 13°C / 4°C | 12days (125 mm) Wet | 6.4h Fair | 75% Muggy | 3.1 Moderate | Fair | View Details |
| November | 6°C / -1°C | 2°C / -5°C | 12days (85 mm) Wet | 4.8h Fair | 77% Humid | 2 Low | Poor | View Details |
| December | 0°C / -8°C | -5°C / -13°C | 13days (90 mm) Wet | 4.1h Fair | 77% Humid | 1.6 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -3°C / -12°C . Feb: -1°C / -11°C . Mar: 4°C / -6°C . Apr: 11°C / 1°C . May: 19°C / 8°C . Jun: 24°C / 14°C . Jul: 27°C / 17°C . Aug: 25°C / 17°C . Sep: 22°C / 13°C . Oct: 15°C / 7°C . Nov: 6°C / -1°C . Dec: 0°C / -8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 78 mm. Feb: 81 mm. Mar: 93 mm. Apr: 115 mm. May: 94 mm. Jun: 102 mm. Jul: 113 mm. Aug: 110 mm. Sep: 67 mm. Oct: 125 mm. Nov: 85 mm. Dec: 90 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 75%. Mar: 71%. Apr: 66%. May: 67%. Jun: 70%. Jul: 73%. Aug: 75%. Sep: 75%. Oct: 75%. Nov: 77%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 18 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 14 km/h . Oct: 16 km/h . Nov: 18 km/h . Dec: 18 km/h .
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 6. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Frequently Asked Questions
Casselman has a population of approximately 3.1K.
The best months to visit Casselman are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Casselman receives approximately 1153mm of rainfall annually across 143 rainy days.
Casselman is located in Canada, in the Americas region.