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Orono (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Orono.
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Climate overview of Orono
Temperatures in Orono, Ontario, Canada, vary greatly throughout the year. July is the hottest month at 27°C (81°F), while January is the coldest at -1°C (30°F).
With around 953 mm (38 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and February the driest. It also has warm summers and very cold winters. July is the sunniest month, averaging 9.3 hours of sunshine per day.
Orono Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Orono - and find the best time to visit.
Monthly Temperature in Orono
The climate in Orono is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -1°C (30°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -10°C (14°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Orono
Generally, Orono receives mid-range precipitation levels, with 953 mm (38 in) annually. Precipitation levels in Orono remain relatively steady throughout the year. June has the most rain, with 91 mm (3.6 in) over 11 days. In the driest month February, this drops slightly to 63 mm (2.5 in), making the city's climate fairly predictable. For more details, please visit our Orono Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Orono
For those who appreciate different seasons, Orono serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 2.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Toronto, Canada (71 KM, 44 Miles).
Daily hours of sunshine
Data from: Toronto, Canada (71 KM, 44 Miles).
Daily percentage of sunshine
Data from: Toronto, Canada (71 KM, 44 Miles).
Humidity in Orono by Month
The city experiences its highest humidity in September, reaching 87%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Toronto, Canada (71 KM, 44 Miles).
Best Time to Visit Orono
Conditions in Orono are generally most comfortable in June, July, August and September. They are typically least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
mixed
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
cold
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Orono
What is the best time to visit Orono?
June, July, August and September typically offer the most optimal weather in Orono. In contrast, January, February, March, November and December tend to have less optimal conditions. Orono has warm summers and very cold winters.
What temperatures can I expect in Orono?
Daytime highs range from -1°C (30°F) in January to 27°C (81°F) in July. Nighttime lows range from -10°C (14°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Orono get?
Annual rainfall is around 953 mm (38 in). June is the wettest month with 91 mm (3.6 in), while February is the driest with 63 mm (2.5 in).
How sunny is Orono?
Orono receives around 2,070 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 78 hours. Overall, Orono enjoys abundant sunshine.
Orono 3-Day Forecast
Orono on the map
Orono is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
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