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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Large iconic Arlington Memorial Bridge over the vast Potomac River in Washington, mirror images of the iconic Lincoln Memorial
Weather in January
January is a chilly winter month in Arlington, Washington, with an average temperature ranging between max 43.3°F (6.3°C) and min 34.7°F (1.5°C). The beginning of January records an average high-temperature of a chilly 43.3°F (6.3°C), almost echoing the conditions of the previous month. Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Arlington, Washington, with an average temperature ranging between max 44.2°F (6.8°C) and min 33.8°F (1°C). Arlington indicates an average high-temperature of a still chilly 44.2°F (6.8°C) in February, showing minor variation from January's 43.3°F (6.3°C). Weather in February »
Weather in March
March, the first month of the spring in Arlington, is still a chilly month, with an average temperature varying between 48.4°F (9.1°C) and 36.3°F (2.4°C). An average high-temperature of a still frosty 48.4°F (9.1°C) marks March, exhibiting a close resemblance to the conditions in February. Weather in March »
Weather in April
April in Arlington, Washington, is a cool spring month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 53.6°F (12°C). Arlington records an average high-temperature of a cool 53.6°F (12°C) as April arrives, nearly mirroring the previous month's climate. Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Arlington, Washington, with an average temperature fluctuating between 61.3°F (16.3°C) and 43.7°F (6.5°C). As April transitions into May, Arlington notices a gentle rise in the average high-temperature, transitioning from a fresh 53.6°F (12°C) to an enjoyable 61.3°F (16.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also an enjoyable month in Arlington, Washington, with an average temperature varying between 66°F (18.9°C) and 47.1°F (8.4°C). Arlington records an average high-temperature of a still comfortable 66°F (18.9°C) in June, maintaining a close correlation with May's 61.3°F (16.3°C). Weather in June »
Weather in July
July is an agreeable summer month in Arlington, Washington, with an average temperature varying between 72°F (22.2°C) and 50.5°F (10.3°C). Arlington's transition into July brings a slight rise in the average high-temperature, moving from an enjoyable 66°F (18.9°C) in June to an agreeable 72°F (22.2°C). Weather in July »
Weather in August
August, the last month of the summer in Arlington, is another pleasant month, with an average temperature fluctuating between 72.3°F (22.4°C) and 51.6°F (10.9°C). Arlington's August weather reaches an average high of 72.3°F (22.4°C) and an average low of 51.6°F (10.9°C), making it the warmest month. Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Arlington, Washington, with an average temperature ranging between max 66.2°F (19°C) and min 49.1°F (9.5°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a pleasant 72.3°F (22.4°C) in August to an enjoyable 66.2°F (19°C). Weather in September »
Weather in October
October, the same as September, in Arlington, Washington, is another mild autumn month, with an average temperature fluctuating between 56.3°F (13.5°C) and 43.3°F (6.3°C). October involves a decrease in temperature, down from an enjoyable 66.2°F (19°C) in September to a mild 56.3°F (13.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Arlington, is another chilly month, with an average temperature varying between 46.9°F (8.3°C) and 38.5°F (3.6°C). Observing a mild shift, the average high-temperature during November reduces from October's moderate 56.3°F (13.5°C) to a chilly 46.9°F (8.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Arlington, Washington, with an average temperature ranging between max 41.7°F (5.4°C) and min 34°F (1.1°C). December is Arlington's coldest month, registering average high temperatures of 41.7°F (5.4°C) and lows of 34°F (1.1°C). Weather in December »
[Resources]Frequently asked questions
What are the most humid months in Arlington?
January, February, November and December, with an average relative humidity of 85%, are most humid months in Arlington, Washington.
How much does it rain in Arlington?
Throughout the year, in Arlington, Washington, there are 188.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.
When does it snow in Arlington?
Months with snowfall in Arlington are January through April, November and December.
How many days does it snow in Arlington?
Throughout the year, there are 11.6 snowfall days, and 9.61" (244mm) of snow is accumulated.
What is the month with the lowest UV index in Arlington?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Arlington, Washington.
What is the snowiest month in Arlington?
The month with the most snowfall in Arlington, Washington, is February, when snow falls for 4.3 days and typically aggregates up to 4.45" (113mm) of snow.
When is Daylight Saving Time (DST) in Arlington?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Arlington, Washington, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow in Arlington?
May through October are months without snowfall in Arlington, Washington.
When are the longest days in Arlington?
With an average of 16h and 0min of daylight, June has the longest days of the year.
What is the least humid month in Arlington?
July is the least humid month, with an average relative humidity of 73%.
What is the driest month in Arlington?
The month with the least rainfall in Arlington, Washington, is July, when the rain falls for 8 days and typically collects 0.51" (13mm) of precipitation.
When is the highest UV index in Arlington?
With an average maximum UV index of 5, July is the month with the highest UV index in Arlington.
What are the warmest months in Arlington?
Temperature readings in Arlington, Washington, reach their annual highs in August, averaging 72.3°F (22.4°C) and a minimum average of 51.6°F (10.9°C).
What month has the most sunshine in Arlington?
August has the most sunshine of the year in Arlington, Washington, with an average of 10.7h of sunshine.
What is the wettest month in Arlington?
The month with the most rainfall in Arlington, Washington, is November, when the rain falls for 20.2 days and typically aggregates up to 4.92" (125mm) of precipitation.
What month is the coldest in Arlington?
Arlington notes the coldest temperatures in December, with a average high of 41.7°F (5.4°C) and a low of 34°F (1.1°C).
What is the month with the shortest days in Arlington?
The month with the shortest days is December, with an average of 8h and 24min of daylight.
What is the month with the least sunshine in Arlington?
The month with the least sunshine in Arlington, Washington, is December, with an average of 4.1h of sunshine.
Average temperature
Arlington, WA
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure
Arlington, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Arlington, WA
- Average wind speed in January:
5.6mph - Average wind speed in February:
5mph - Average wind speed in March:
5.5mph - Average wind speed in April:
4.7mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.4mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.3mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Arlington, WA
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Arlington, WA
- Average rainfall in January:
4.69" - Average rainfall in February:
3.66" - Average rainfall in March:
3.78" - Average rainfall in April:
2.95" - Average rainfall in May:
2.05" - Average rainfall in June:
1.38"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.59" - Average rainfall in September:
2.05" - Average rainfall in October:
3.82" - Average rainfall in November:
4.92" - Average rainfall in December:
4.53"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days
Arlington, WA
- Average rainfall days in January:
18.1 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
20.9 days - Average rainfall days in April:
19 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
19.4 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall
Arlington, WA
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Arlington, WA
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Arlington, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 3min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days
Arlington, WA
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
8.1 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
20.6 days - Average sunshine days in August:
22 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
9 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index
Arlington, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Arlington, WA
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility
Arlington, WA
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Arlington, Washington, USA
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