Climate and monthly weather forecast
Barlow, OR

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Weather in January

January, like December, is another chilly winter month in Barlow, Oregon, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 46°F (7.8°C). The advent of January observes an average high-temperature of a still frosty 46°F (7.8°C), nearly identical to December's 44.2°F (6.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Barlow, Oregon, with an average temperature fluctuating between 47.5°F (8.6°C) and 35.1°F (1.7°C). Transitioning into February, Barlow records an average high-temperature of a still frosty 47.5°F (8.6°C), almost identical to January's 46°F (7.8°C). Weather in February »

Weather in March

March, the first month of the spring in Barlow, is a cool month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 51.8°F (11°C). March's advent denotes a minor fluctuation in the average high-temperature to a fresh 51.8°F (11°C) from February's 47.5°F (8.6°C). Weather in March »

Weather in April

April in Barlow, Oregon, is a mild spring month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 39°F (3.9°C). A subtle rise in the average high-temperature is observed during April, adjusting from a cool 51.8°F (11°C) in March to a moderate 58.1°F (14.5°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Barlow, Oregon, with an average temperature varying between 66°F (18.9°C) and 43.2°F (6.2°C). The shift from April to May is marked by a slight increase in the average high-temperature, moving from a moderate 58.1°F (14.5°C) to a still refreshing 66°F (18.9°C). Weather in May »

Weather in June

June, the first month of the summer in Barlow, is a pleasant month, with an average temperature ranging between max 71.4°F (21.9°C) and min 47.5°F (8.6°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a refreshing 66°F (18.9°C) to an agreeable 71.4°F (21.9°C). Weather in June »

Weather in July

July in Barlow, Oregon, is a moderately hot summer month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 79.7°F (26.5°C). A minor escalation in the average high-temperature is seen with the onset of July, moving from a pleasant 71.4°F (21.9°C) in June to a warm 79.7°F (26.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Barlow, Oregon, with an average temperature ranging between min 54°F (12.2°C) and max 81°F (27.2°C). August, with its average high-temperature of 81°F (27.2°C) and an average low-temperature of 54°F (12.2°C), holds the record as the warmest month. Throughout August, the heat index is evaluated at 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Barlow, Oregon, with an average temperature fluctuating between 50.9°F (10.5°C) and 73.2°F (22.9°C). Barlow's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 81°F (27.2°C) to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Barlow, Oregon, with an average temperature varying between 45°F (7.2°C) and 61.3°F (16.3°C). October's onset brings a slight change in high-temperatures, falling from a pleasant 73.2°F (22.9°C) in September to a refreshing 61.3°F (16.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Barlow, is also a fresh month, with an average temperature ranging between max 50.7°F (10.4°C) and min 39.6°F (4.2°C). As October transitions to November, the average high-temperature falls from a comfortable 61.3°F (16.3°C) to a fresh 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter in Barlow, is still a chilly month, with an average temperature ranging between min 34.3°F (1.3°C) and max 44.2°F (6.8°C). In Barlow, December is the coldest month, with temperatures averaging a high of 44.2°F (6.8°C) and a low of 34.3°F (1.3°C). Weather in December »

Frequently asked questions

What are the most humid months?

January, February and December, with an average relative humidity of 85%, are most humid months.

How much does it rain?

Throughout the year, there are 173.8 rainfall days, and 29.96" (761mm) of precipitation is accumulated.

When does it snow?

January through March, November and December are months with snowfall.

How many days does it snow?

Throughout the year, there are 6.1 snowfall days, and 3.66" (93mm) of snow is accumulated.

When is 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.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 2.1 days and accumulates 1.26" (32mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.2h of sunshine.

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?

April through October are months without snowfall.

When are the longest days?

The month with the longest days in Barlow is June, with an average of 15h and 36min of daylight.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 4.4 days and accumulates 0.31" (8mm) of rain.

What is the month with the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

What part of the year is the hottest?

August is Barlow's warmest month, registering average high temperatures of 81°F (27.2°C) and lows of 54°F (12.2°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 65%.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 11.1h of sunshine.

What is the coldest time of year?

December, having an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 34.3°F (1.3°C), is the coldest month.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 19.4 days and typically aggregates up to 4.49" (114mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 48min of daylight.

Average temperature
Barlow, OR

Average temperature - Barlow, OR

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).

Average pressure
Barlow, OR

Average pressure - Barlow, OR

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed
Barlow, OR

Average wind speed - Barlow, OR

The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity
Barlow, OR

Average humidity - Barlow, OR

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).

Average rainfall
Barlow, OR

Average rainfall - Barlow, OR

The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").

Average rainfall days
Barlow, OR

Average rainfall days - Barlow, OR

The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).

Average snowfall
Barlow, OR

Average snowfall - Barlow, OR

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Barlow, OR

Average snowfall days - Barlow, OR

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Barlow, OR

Average daylight / Average sunshine - Barlow, OR

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days
Barlow, OR

Average sunshine days - Barlow, OR

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).

Average UV index
Barlow, OR

Average UV index - Barlow, OR

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Barlow, OR

Average visibility - Barlow, OR

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).

Barlow, Oregon, USA

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