Capital Hill Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Capital Hill.
Climate overview of Capital Hill
Capital Hill, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 34°C (93°F) in July, while winters cool to 16°C (61°F) in December.
The city has a relatively dry climate, receiving around 298 mm (12 in) of rain/snowfall per year. It does experience a distinct dry season from April to November. January is the wettest month and September the driest. The most sunshine falls in July, with an average of 11.7 hours of daily sunshine.
Capital Hill Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Capital Hill — and find the best time to visit.
Monthly Temperature in Capital Hill
Depending on the time of the year, temperatures range from very warm to moderate in Capital Hill. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a moderate 16°C (61°F) in December.
Nighttime temperatures range from 13°C (55°F) in July to 1°C (34°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Capital Hill
Capital Hill has a relatively dry climate with low precipitation, averaging 298 mm (12 in) of rain/snowfall annually. The seasons in Capital Hill bring significant changes in precipitation. The wettest month, January, receives moderate rainfall, with an average of 69 mm (2.7 in) of precipitation. This rainfall is distributed across 6 rainy days.
In contrast, the driest month, September, experiences much less rainfall, totaling 0.3 mm (0.01 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Capital Hill 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 Capital Hill
In Capital Hill, summer days are longer and more sunny, with daily sunshine hours peaking at 11.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 6.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Capital Hill
Rainfall during this time ranges from 6 mm (0.2 in) in May to 48 mm (1.9 in) in February. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Capital Hill
What is the best time to visit Capital Hill?
March, April, May, October and November typically offer the most optimal weather in Capital Hill. In contrast, July and August tend to have less optimal conditions. Capital Hill has a distinct dry season from April to November.
What temperatures can I expect in Capital Hill?
Daytime highs range from 16°C (61°F) in December to 34°C (93°F) in July. Nighttime lows range from 1°C (34°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Capital Hill get?
Annual rainfall is around 298 mm (12 in). January is the wettest month with 69 mm (2.7 in), while September is the driest with 0.3 mm (0.01 in).
How sunny is Capital Hill?
Capital Hill receives around 3,187 hours of sunshine per year. July is the sunniest month with 352 hours, while January is the cloudiest with just 208 hours. Overall, Capital Hill enjoys abundant sunshine.
Capital Hill 3-Day Forecast
Capital Hill 3-Day Forecast
Capital Hill on the map
Capital Hill is highlighted — select any city to see its climate.
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