Capital Hill Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Capital Hill.

Full Climate overview Temperature Rainfall Sunshine
Current conditions 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, with very warm summers and mild winters. 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

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

The most comfortable overall weather for exploring Capital Hill is usually found in March, April, May, October and November. Conditions are generally least comfortable in July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: March, April, May, October and November
  • Warmest weather: July, August and September
  • Most sunshine: July and August
  • Fewer rainy days: May, June, July, August and September
  • Seasonal pattern: A distinct dry season from April to November, with very warm summers and mild winters

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, with very warm summers and mild winters.

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 on the map

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