Question 1

What is the weather like in Washington DC in July?

Accepted Answer

In July, Washington DC experiences average highs of 31°C (88°F) and lows of 21°C (70°F). Expect around 13 rainy days and 12 hours of sunshine per day, with humidity averaging 65%. The 10°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 9, so sun protection is advisable on clear days.

Question 2

How many rainy days does Washington DC have in July?

Accepted Answer

Washington DC typically sees 13 rainy days in July, with total precipitation of around 110mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Washington DC typically sees 4-6 fewer rain days than July.

Question 3

What should I pack for Washington DC in July?

Accepted Answer

Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Washington DC in July. The 31°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. A compact travel umbrella is also worth packing, as 13 rainy days means afternoon showers are a real possibility. Quick-dry synthetic fabrics are preferable to cotton in 65% humidity.

Question 4

Is July a good time to visit Washington DC?

Accepted Answer

July is a reasonable time to visit Washington DC. Expect 13 rainy days, so pack a light rain layer for flexibility. Average temperatures of 31°C make outdoor exploration comfortable during the dry periods. With 12 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.

Question 5

What is the average temperature in Washington DC in July?

Accepted Answer

The average high temperature in Washington DC in July is 31°C (88°F), and the average low is 21°C (70°F). The mean daily temperature is approximately 26°C (79°F). The day-to-night range of 10°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.

Question 6

What is the best month to visit Washington DC?

Accepted Answer

The best month to visit Washington DC is generally August. August offers the most sunshine at 11 hours per day and only 11 rainy days. Average temperatures reach 30°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around August gives you the best chance of dry, bright weather.

Question 7

Is Washington DC crowded in July?

Accepted Answer

July is shoulder or low season in Washington DC, meaning fewer tourists and generally lower prices than peak months. With 12 sunshine hours and 13 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.

Question 8

What are the best things to do in Washington DC in July?

Accepted Answer

In July, Washington DC suits a range of activities thanks to warm temperatures of 31°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 12 hours of sunshine, parks and waterfront walks are particularly enjoyable.

Month	High °C	Low °C	High °F	Low °F	Rain	Precip	Sun
January	6°	-2°	43°	28°	9d	79mm	7h
February	8°	-1°	46°	30°	9d	73mm	8h
March	13°	2°	55°	36°	10d	100mm	8h
April	19°	8°	66°	46°	10d	87mm	9h
May	24°	13°	75°	55°	12d	100mm	10h
June	29°	18°	84°	64°	12d	91mm	11h
July	31°	21°	88°	70°	13d	110mm	12h
August	30°	20°	86°	68°	11d	98mm	11h
September	26°	17°	79°	63°	10d	116mm	9h
October	20°	11°	68°	52°	8d	89mm	8h
November	13°	5°	55°	41°	8d	78mm	7h
December	8°	0°	46°	32°	9d	91mm	6h

Month	High	Low	Rain Days	Sun	Details
January	6°C	-2°C	9	7h	View
February	8°C	-1°C	9	8h	View
March	13°C	2°C	10	8h	View
April	19°C	8°C	10	9h	View
May	24°C	13°C	12	10h	View
June	29°C	18°C	12	11h	View
July	31°C	21°C	13	12h	View
August	30°C	20°C	11	11h	View
September	26°C	17°C	10	9h	View
October	20°C	11°C	8	8h	View
November	13°C	5°C	8	7h	View
December	8°C	0°C	9	6h	View

Month	High °C	Low °C	High °F	Low °F	Rain	Precip	Sun
January	6°	-2°	43°	28°	9d	79mm	7h
February	8°	-1°	46°	30°	9d	73mm	8h
March	13°	2°	55°	36°	10d	100mm	8h
April	19°	8°	66°	46°	10d	87mm	9h
May	24°	13°	75°	55°	12d	100mm	10h
June	29°	18°	84°	64°	12d	91mm	11h
July	31°	21°	88°	70°	13d	110mm	12h
August	30°	20°	86°	68°	11d	98mm	11h
September	26°	17°	79°	63°	10d	116mm	9h
October	20°	11°	68°	52°	8d	89mm	8h
November	13°	5°	55°	41°	8d	78mm	7h
December	8°	0°	46°	32°	9d	91mm	6h

Month	High	Low	Rain Days	Sun	Details
January	6°C	-2°C	9	7h	View
February	8°C	-1°C	9	8h	View
March	13°C	2°C	10	8h	View
April	19°C	8°C	10	9h	View
May	24°C	13°C	12	10h	View
June	29°C	18°C	12	11h	View
July	31°C	21°C	13	12h	View
August	30°C	20°C	11	11h	View
September	26°C	17°C	10	9h	View
October	20°C	11°C	8	8h	View
November	13°C	5°C	8	7h	View
December	8°C	0°C	9	6h	View

Average Temperature in Washington DC by Month

Monthly Temperature Table

Climate Overview

Best Time to Visit Washington DC

Year-Round Climate

Rainfall (mm)

Frequently Asked Questions

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