When is the best time to go to Ashburn
The chart above shows the best time of year to visit Ashburn, 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 Ashburn
Ashburn weather by month
Please note our recommendations for when to visit Ashburn 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 |
|---|---|---|---|
| 14°C | 120mm | 6.3hrs | 11.2hrs |
Cool and damp weather often prevails in Ashburn during the month of January
Based on weather alone, this is probably a time of year to avoid going to Ashburn for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Ashburn and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 1°C (34°F) is normal.
On average January is the driest month of the year in Ashburn with around 120mm 4.7 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 6.3 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 117mm | 7.2hrs | 11.9hrs |
February in Ashburn is generally damp with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to Ashburn for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Ashburn and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 3°C (37°F) is normal.
On average February is the 2nd driest month of the year in Ashburn with around 117mm 4.6 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 7.2 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 121mm | 8.5hrs | 12.8hrs |
The weather in March in Ashburn is characteristically mild and wet.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Ashburn.
March is in the spring in Ashburn and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 7°C (44°F) is normal.
On average March is the 3rd driest month of the year in Ashburn with around 121mm 4.8 inches of rain making it a wet 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 8.5 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 96mm | 10hrs | 13.8hrs |
Ashburn's weather in April is typically warm and a little damp in nature.
It is perhaps a good month to visit Ashburn, with some surprisingly good weather at this time of year.
April is in the spring in Ashburn and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 11°C (51°F) is normal.
On average April is the 4th driest month of the year in Ashburn with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 95mm | 10.6hrs | 14.6hrs |
May is a a little damp, humid month in Ashburn and the temperature is generally warm.
It is perhaps a good month to visit Ashburn, with some particularly good weather at this time of year.
May is in the spring in Ashburn and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 15°C (59°F) is normal.
On average May is the 5th driest month of the year in Ashburn with around 95mm 3.7 inches of rain making it a a little 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 10.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 107mm | 10.4hrs | 11.2hrs |
Ashburn's weather in June is typically hot, humid and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Ashburn for your holidays. The weather is often not a good and not conducive to spending time outdoors.
June is in the summer in Ashburn and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 19°C (66°F) is normal.
On average June is the 6th driest month of the year in Ashburn with around 107mm 4.2 inches of rain making it a damp 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 10.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 126mm | 9.7hrs | 11.9hrs |
July in Ashburn is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Ashburn for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
July is in the summer in Ashburn and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 21°C (69°F) is normal.
On average July is the 6th wettest month of the year in Ashburn with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 110mm | 9.4hrs | 12.8hrs |
The weather in August in Ashburn is characteristically hot, humid and damp.
Based on weather alone, this is probably a time of year to avoid going to Ashburn for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
August is in the summer in Ashburn and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 20°C (69°F) is normal.
On average August is the 5th wettest month of the year in Ashburn with around 110mm 4.3 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 9.4 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 80mm | 8.5hrs | 13.8hrs |
Ashburn's weather in September is typically hot, humid and a little damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Ashburn for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
September is in the fall / autumn in Ashburn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (88°F), whilst at night 18°C (64°F) is normal.
On average September is the 4th wettest month of the year in Ashburn with around 80mm 3.2 inches of rain making it a a little 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 8.5 hours of sunshine per day.
Ashburn weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 56mm | 8.5hrs | 14.6hrs |
October is a reasonably dry month in Ashburn and the temperature is generally warm.
It is perhaps the perfect month to visit Ashburn, with some surprisingly good weather at this time of year.
October is in the fall / autumn in Ashburn and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 27°C (80°F), whilst at night 11°C (52°F) is normal.
On average October is the 3rd wettest month of the year in Ashburn with around 56mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 70mm | 7.2hrs | 11.2hrs |
Mild and reasonably dry weather often prevails in Ashburn during the month of November
It is perhaps a good month to visit Ashburn, with some inordinately good weather at this time of year.
November is in the fall / autumn in Ashburn and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 6°C (43°F) is normal.
On average November is the 2nd wettest month of the year in Ashburn with around 70mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 97mm | 6.4hrs | 11.9hrs |
December in Ashburn is generally a little damp with the temperature being cool.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Ashburn.
December is in the winter in Ashburn and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 3°C (37°F) is normal.
On average December is the wettest month of the year in Ashburn with around 97mm 3.8 inches of rain making it a a little 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 6.4 hours of sunshine per day.
Other monthly averages
Ashburn weather stats
| Hottest month: | July | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | October | 56mm 2.2ins |
| Sunniest month: | April | 10hrs |
| Coldest month: | January | 14.8°C 58.6°F |
| Wettest month: | July | 126mm 5ins |
| Warmest sea: | August | 28.6°C 83.5°F |
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