Yosemite National Park is definitely worth a visit
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Catonsville (MD) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Catonsville.
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Climate overview of Catonsville
The climate in Catonsville, Maryland, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 6°C (43°F) in January.
The city receives considerable rain/snowfall, with around 1244 mm (49 in) annually. October is the wettest month. It has very warm summers and cold winters. June is the sunniest month, averaging 9.4 hours of sunshine per day.
Catonsville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Catonsville - and find the best time to visit.
Monthly Temperature in Catonsville
In Catonsville, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 6°C (43°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Catonsville
Catonsville experiences significant rain/snowfall throughout the year, averaging 1244 mm (49 in) of precipitation annually. Catonsville offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (144 mm (5.7 in)) and the driest month November (75 mm (3 in)) is not too significant. For more details, please visit our Catonsville 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 Catonsville
For those who appreciate different seasons, Catonsville serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Washington DC, the United States of America (53 KM, 33 Miles).
Daily hours of sunshine
Data from: Washington DC, the United States of America (53 KM, 33 Miles).
Daily percentage of sunshine
Data from: Washington DC, the United States of America (53 KM, 33 Miles).
Humidity in Catonsville by Month
The relative humidity is high throughout the year in Catonsville.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Washington DC, the United States of America (53 KM, 33 Miles).
Best Time to Visit Catonsville
Conditions in Catonsville are generally most comfortable in May, June and September. They are typically least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
good
May
very good
Jun
very good
Jul
mixed
Aug
mixed
Sep
very good
Oct
good
Nov
mixed
Dec
wet
- Best overall: May, June and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Catonsville
What is the best time to visit Catonsville?
May, June and September typically offer the most optimal weather in Catonsville. In contrast, January, February and December tend to have less optimal conditions. Catonsville has very warm summers and cold winters.
What temperatures can I expect in Catonsville?
Daytime highs range from 6°C (43°F) in January to 31°C (88°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Catonsville get?
Annual rainfall is around 1244 mm (49 in). October is the wettest month with 144 mm (5.7 in), while November is the driest with 75 mm (3 in).
How sunny is Catonsville?
Catonsville receives around 2,520 hours of sunshine per year. June is the sunniest month with 282 hours, while December is the cloudiest with just 130 hours. Overall, Catonsville enjoys abundant sunshine.
Catonsville 3-Day Forecast
Catonsville on the map
Catonsville is highlighted - select any city to see its climate.
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Where to go in October - average daytime high across popular destinations.
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