When is the best time to go to Washington
The chart above shows the best time of year to visit Washington, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Washington
Washington weather by month
Please note our recommendations for when to visit Washington are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 69mm | 5hrs | 10.8hrs |
January is a reasonably dry month in Washington and the temperature is generally cold.
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Washington and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 4°C (38°F), whilst at night -6°C (21°F) is normal.
On average January is the driest month of the year in Washington with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Washington weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 75mm | 5.7hrs | 11.7hrs |
February in Washington is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Washington and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 6°C (44°F), whilst at night -4°C (25°F) is normal.
On average February is the 2nd driest month of the year in Washington with around 75mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
Washington weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 120mm | 6.7hrs | 12.8hrs |
The weather in March in Washington is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Washington and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 2°C (35°F) is normal.
On average March is the 3rd driest month of the year in Washington with around 120mm 4.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 102mm | 8.1hrs | 14.1hrs |
Washington's weather in April is typically mild and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often not a good and not conducive to spending time outdoors.
April is in the spring in Washington and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 7°C (44°F) is normal.
On average April is the 4th driest month of the year in Washington with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 142mm | 9.5hrs | 15.2hrs |
May is a wet month in Washington and the temperature is generally warm.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Washington.
May is in the spring in Washington and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 12°C (54°F) is normal.
On average May is the 5th driest month of the year in Washington with around 142mm 5.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 102mm | 11hrs | 10.8hrs |
June is a damp month in Washington and the temperature is generally hot.
It is perhaps a good month to visit Washington, with some particularly good weather at this time of year.
June is in the summer in Washington and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 30°C (85°F), whilst at night 17°C (63°F) is normal.
On average June is the 6th driest month of the year in Washington with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 11 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 129mm | 10.8hrs | 11.7hrs |
July in Washington is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often not a good and not conducive to spending time outdoors.
July is in the summer in Washington and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 19°C (66°F) is normal.
On average July is the 6th wettest month of the year in Washington with around 129mm 5.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.8 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 102mm | 10.1hrs | 12.8hrs |
The weather in August in Washington is characteristically hot, humid and damp.
It is perhaps a good month to visit Washington, with some very good weather at this time of year.
August is in the summer in Washington and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 18°C (64°F) is normal.
On average August is the 5th wettest month of the year in Washington with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.1 hours of sunshine per day.
Washington weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 72mm | 8.8hrs | 14.1hrs |
Washington's weather in September is typically warm, humid and reasonably dry in nature.
It is perhaps the perfect month to visit Washington, with some particularly good weather at this time of year.
September is in the fall / autumn in Washington and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 14°C (58°F) is normal.
On average September is the 4th wettest month of the year in Washington with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
Washington weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 80mm | 7.5hrs | 15.2hrs |
October is a reasonably dry month in Washington and the temperature is generally mild.
It is perhaps the perfect month to visit Washington, with some extremely good weather at this time of year.
October is in the fall / autumn in Washington and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 8°C (46°F) is normal.
On average October is the 3rd wettest month of the year in Washington with around 80mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
Washington weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 103mm | 5hrs | 10.8hrs |
Cool and damp weather often prevails in Washington during the month of November
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Washington and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 3°C (37°F) is normal.
On average November is the 2nd wettest month of the year in Washington with around 103mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Washington weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 97mm | 4.4hrs | 11.7hrs |
December in Washington is generally a little damp with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Washington for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Washington and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 6°C (43°F), whilst at night -3°C (27°F) is normal.
On average December is the wettest month of the year in Washington with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
Other monthly averages
Washington weather stats
| Hottest month: | July | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | January | 69mm 2.7ins |
| Sunniest month: | June | 11hrs |
| Coldest month: | January | 3.2°C 37.8°F |
| Wettest month: | May | 142mm 5.6ins |
| Warmest sea: | August | 23.8°C 74.8°F |
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