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When is the best time to visit Washington?
In general the best time to visit Washington is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sun tanning holiday is June, July, August. Average maximum temperatures are up to +88°F in July and it has 2 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during April - October.
- If you want to avoid wet weather, then your choice is August, September, October with the lowest chance of rain.
Average weather in Washington in different months
This is the average weather in Washington for each month based on historic data:
April, May, June, July, August, September, October usually has good weather. Average maximum temperature reaches +88°F during July.
In January, February, March, November, December the weather is average. Expect around 46 rainy days, and the precipitation amounts to approximately 88 mm in March.
Climate in Washington
Here is the detailed breakdown of the climate in Washington for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +75°F | +81°F | +88°F | +93°F | +99°F | +104°F | +104°F | +102°F | +99°F | +95°F | +81°F | +77°F |
| Average Maximum Temperature | |||||||||||
| +43°F | +46°F | +55°F | +66°F | +75°F | +84°F | +88°F | +86°F | +79°F | +68°F | +57°F | +48°F |
| Minimum Temperature | |||||||||||
| -6°F | -2°F | +9°F | +27°F | +37°F | +48°F | +54°F | +48°F | +43°F | +30°F | +16°F | +1°F |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 63 | 61 | 59 | 60 | 66 | 66 | 66 | 68 | 70 | 70 | 65 | 65 |
| Rain, mm | |||||||||||
| 59 | 58 | 88 | 95 | 123 | 118 | 135 | 112 | 117 | 96 | 84 | 73 |
| Snow, mm | |||||||||||
| 21 | 20 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 |
| Average wind speed, m/s | |||||||||||
| 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 |
| Sunny Days | |||||||||||
| 4 | 4 | 5 | 4 | 3 | 2 | 2 | 3 | 5 | 7 | 5 | 4 |
| Cloud Days | |||||||||||
| 14 | 12 | 12 | 10 | 10 | 9 | 9 | 11 | 11 | 12 | 13 | 15 |
| Rainy Days | |||||||||||
| 7 | 8 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 11 | 10 | 9 |
| Snowy Days | |||||||||||
| 6 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
Average Temperature
Here are the average maximum and minimum temperatures in Washington during the whole year:
The hottest month in Washington is July with average maximum temperature going up to +88°F. The coldest month is January with the lowest temperatures of +30°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Washington looks throughout the year, in %:
The most humid month in Washington is October with average humidity going up to 70%. The least humid month is March with an average humidity of 59%.
Rain
Amount of rainfall in mm. in Washington during the whole year based on historical data:
The sunniest and driest month is October with approximately 7 sunny days and a total precipitation of around 96 mm. The rainiest and wettest month is July with approximately 13 rainy days and 135 mm of total precipitation.
Snow
Amount of snow in mm. in Washington during the whole year based on historical data:
The snowiest month is January with approximately 6 snowy days.
FAQ
Frequently asked questions about the weather in Washington:
What is the hottest month in Washington?
The hottest month in Washington is July with average maximum temperature of +88°F.
What is the coldest month in Washington?
The coldest month in Washington is January with minimum temperatures of +30°F.
Is Washington worth visiting in winter?
Winter in Washington could be a good time to visit, as the weather is generally ok.
When does it rain the least in Washington?
if you're looking to visit Washington when it rains the least, you should plan your trip for July, May, June. During this time, rainfall is rare with the driest month being February with only 58 mm of rain.
Other cities in USA
Check out the weather for other cities in USA.
Monthly weather in Washington
Source of the data
For this page, we’ve looked at the typical weather in Washington, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.