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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
Weather in January
January, the same as December, is another cold winter month in Arlington, Oregon, with an average temperature varying between 37.9°F (3.3°C) and 27.5°F (-2.5°C). January's advent denotes a minor fluctuation in the average high-temperature to a still wintry 37.9°F (3.3°C) from December's 36.5°F (2.5°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Arlington, Oregon, with an average temperature ranging between max 41.7°F (5.4°C) and min 29.7°F (-1.3°C). In February, Arlington experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 37.9°F (3.3°C) in January to a still cold 41.7°F (5.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Arlington, Oregon, with an average temperature varying between 34.5°F (1.4°C) and 49.6°F (9.8°C). March signals a minor shift in the average high-temperature, moving from February's cold 41.7°F (5.4°C) to a frosty 49.6°F (9.8°C). Weather in March »
Weather in April
April in Arlington, Oregon, is a moderate spring month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 39.9°F (4.4°C). Arlington sees an increase in average high-temperatures during April, moving from a chilly 49.6°F (9.8°C) in March to a refreshing 58.6°F (14.8°C). Weather in April »
Weather in May
May, the last month of the spring in Arlington, is a pleasant month, with an average temperature ranging between min 47.1°F (8.4°C) and max 68.5°F (20.3°C). Arlington's May weather brings a rise in high-temperatures, moving from a moderate 58.6°F (14.8°C) in April to a pleasant 68.5°F (20.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Arlington, Oregon, with an average temperature varying between 75.6°F (24.2°C) and 52.7°F (11.5°C). The onset of June marks a slight increase in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in May to a warm 75.6°F (24.2°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Arlington, Oregon, with an average temperature ranging between max 85.5°F (29.7°C) and min 60.3°F (15.7°C). July tends to be the warmest month, with temperatures averaging a daily high of 85.5°F (29.7°C) and a low of 60.3°F (15.7°C). The heat index for July is evaluated at 84.2°F (29°C). Weather in July »
Weather in August
August, the last month of the summer in Arlington, is another warm month, with an average temperature fluctuating between 61.3°F (16.3°C) and 84.7°F (29.3°C). On the advent of August, Arlington's average high-temperature exhibits a minor adjustment to a still moderately hot 84.7°F (29.3°C) from July's 85.5°F (29.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Arlington, Oregon, with an average temperature ranging between max 73.9°F (23.3°C) and min 54.9°F (12.7°C). September implies a gentle temperature shift, with average high-temperatures reducing from August's 84.7°F (29.3°C) to a still moderately hot 73.9°F (23.3°C). Weather in September »
Weather in October
October, the same as September, in Arlington, Oregon, is another mild autumn month, with an average temperature ranging between min 44.4°F (6.9°C) and max 58.6°F (14.8°C). The onset of October marks a clear decrease in the average high-temperature, dropping from a warm 73.9°F (23.3°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Arlington, is another chilly month, with an average temperature fluctuating between 34.3°F (1.3°C) and 46.4°F (8°C). Stepping into November, Arlington observes a temperature decline, with the average high falling from October's mild 58.6°F (14.8°C) to a chilly 46.4°F (8°C). Weather in November »
Weather in December
December, the first month of the winter in Arlington, is also an icy month, with an average temperature ranging between min 26.6°F (-3°C) and max 36.5°F (2.5°C). Arlington's temperature records reveal December as the coldest month, marked by average highs of 36.5°F (2.5°C) and lows of 26.6°F (-3°C). Weather in December »
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
January is the most humid month, with an average relative humidity of 83%.
What is the wettest month?
January is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.1" (28mm) of precipitation.
How many days does it rain?
In Arlington, during the entire year, the rain falls for 107.9 days and collects up to 8.46" (215mm) of precipitation.
When does it snow?
Months with snowfall in Arlington are January through March, November and December.
How many days does it snow?
In Arlington, during the entire year, snow falls for 15.8 days and aggregates up to 9.69" (246mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 5.2h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Arlington?
February is the month with the most snowfall in Arlington. Snow falls for 4.3 days and accumulates 3.86" (98mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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, snow does not fall in April through October.
When are the longest days in Arlington?
With an average of 15h and 42min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What time of the year is the hottest?
July is Arlington's warmest month, registering average high temperatures of 85.5°F (29.7°C) and lows of 60.3°F (15.7°C).
What are the least humid months?
July and August, with an average relative humidity of 40%, are the least humid months.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 4.4 days and typically collects 0.24" (6mm) of precipitation.
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 12h of sunshine.
What part of the year is the coldest?
December, characterized by an average high temperature of 36.5°F (2.5°C) and a low temperature of 26.6°F (-3°C), is generally the coldest month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Arlington, OR
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (36.5°F).
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure
Arlington, OR
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed
Arlington, OR
- Average wind speed in January:
6.3mph - Average wind speed in February:
7.5mph - Average wind speed in March:
8.2mph - Average wind speed in April:
9.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
9.2mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
7.7mph - Average wind speed in September:
7.5mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.3mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is June (9.2mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity
Arlington, OR
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall
Arlington, OR
- Average rainfall in January:
1.1" - Average rainfall in February:
1.06" - Average rainfall in March:
0.79" - Average rainfall in April:
0.63" - Average rainfall in May:
1.06" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.39" - Average rainfall in September:
0.31" - Average rainfall in October:
0.75" - Average rainfall in November:
0.51" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is January (1.1").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days
Arlington, OR
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
6.7 days
- Average rainfall days in July:
4.4 days - Average rainfall days in August:
5 days - Average rainfall days in September:
5.5 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (4.4 days).
Average snowfall
Arlington, OR
The month with the highest snowfall is February (3.86").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Arlington, OR
- Average snowfall days in January:
4 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight / Average sunshine
Arlington, OR
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 2min - Average sunshine in March:
7h and 3min - Average sunshine in April:
10h and 0min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 3min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
6h and 3min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days
Arlington, OR
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
14 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
18.4 days - Average sunshine days in June:
20.8 days
- Average sunshine days in July:
25 days - Average sunshine days in August:
23.6 days - Average sunshine days in September:
22.1 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (14 days).
Average UV index
Arlington, OR
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Arlington, OR
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Arlington, OR
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Arlington, Oregon, USA
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