Cary (NC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cary.
Climate overview of Cary
The climate in Cary, North Carolina, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 10°C (50°F) in January.
The city receives considerable rain/snowfall, with around 1235 mm (49 in) annually. June is the wettest month. It has very warm summers and cold winters. Sunshine peaks in June, when the city sees around 8.9 hours of sunshine per day.
Cary Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cary - and find the best time to visit.
Monthly Temperature in Cary
In Cary, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 10°C (50°F) in the coolest month, January.
Nights vary from 21°C (70°F) in July to around -1°C (30°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cary
Cary experiences significant rain/snowfall throughout the year, averaging 1235 mm (49 in) of precipitation annually. Cary offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (137 mm (5.4 in)) and the driest month January (67 mm (2.6 in)) is not too significant. For more details, please visit our Cary 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 Cary
For those who appreciate different seasons, Cary serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 8.9 hours of sunshine daily, and embrace the darker days in December, offering only 5.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Cary by Month
The relative humidity is high throughout the year in Cary.
The city experiences its highest humidity in August, reaching 78%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Cary
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April and October
- Warmest weather: June, July and August
- Most sunshine: May, June and July
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Cary
What is the best time to visit Cary?
April and October typically offer the most optimal weather in Cary. In contrast, January and December tend to have less optimal conditions. Cary has very warm summers and cold winters.
What temperatures can I expect in Cary?
Daytime highs range from 10°C (50°F) in January to 32°C (90°F) in July. Nighttime lows range from -1°C (30°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Cary get?
Annual rainfall is around 1235 mm (49 in). June is the wettest month with 137 mm (5.4 in), while January is the driest with 67 mm (2.6 in).
How sunny is Cary?
Cary receives around 2,600 hours of sunshine per year. June is the sunniest month with 267 hours, while December is the cloudiest with just 157 hours. Overall, Cary enjoys abundant sunshine.
Cary 3-Day Forecast
Cary (NC) 3-Day Forecast
Cary on the map
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