Climate and monthly weather forecast
Gresham, OR

The fall colors in the trees and the fields around a beautiful house in Gresham, Oregon
The fall colors in the trees and the fields around a beautiful house in Gresham, Oregon

Weather in January

January, like December, is a frosty winter month in Gresham, Oregon, with an average temperature ranging between min 34.5°F (1.4°C) and max 45.3°F (7.4°C). In January, the average high-temperature is practically the same as in December - a still chilly 45.3°F (7.4°C). Weather in January »

Weather in February

February, the last month of the winter in Gresham, is another chilly month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 46.6°F (8.1°C). In February, the average high-temperature is almost the same as in January - a still chilly 46.6°F (8.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Gresham, Oregon, with an average temperature ranging between max 51.6°F (10.9°C) and min 37.4°F (3°C). In March, the average high-temperature is essentially the same as in February - a fresh 51.6°F (10.9°C). Weather in March »

Weather in April

April in Gresham, Oregon, is a mild spring month, with an average temperature varying between 39.4°F (4.1°C) and 57.7°F (14.3°C). In Gresham, the average high-temperature in April slightly increases from a fresh 51.6°F (10.9°C) in March to a moderate 57.7°F (14.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Gresham, Oregon, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 66.2°F (19°C). In Gresham, the average high-temperature in May slightly increases from a moderate 57.7°F (14.3°C) in April to a comfortable 66.2°F (19°C). Weather in May »

Weather in June

June, the first month of the summer in Gresham, is a pleasant month, with an average temperature varying between 71.2°F (21.8°C) and 46.9°F (8.3°C). In Gresham, the average high-temperature in June is relatively the same as in May - a pleasant 71.2°F (21.8°C). Weather in June »

Weather in July

July is a warm summer month in Gresham, Oregon, with an average temperature ranging between max 79.3°F (26.3°C) and min 50.9°F (10.5°C). In July, the average high-temperature slightly increases from a pleasant 71.2°F (21.8°C) in June to a moderately hot 79.3°F (26.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Gresham, Oregon, with an average temperature fluctuating between 80.4°F (26.9°C) and 53.4°F (11.9°C). With an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 53.4°F (11.9°C), August is the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Gresham, Oregon, with an average temperature ranging between max 73°F (22.8°C) and min 50.2°F (10.1°C). In Gresham, the average high-temperature in September slightly decreases from a warm 80.4°F (26.9°C) in August to a pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Gresham, Oregon, with an average temperature ranging between max 61°F (16.1°C) and min 44.8°F (7.1°C). In October, the average high-temperature decreases from a pleasant 73°F (22.8°C) in September to a comfortable 61°F (16.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Gresham, Oregon, with an average temperature varying between 39.6°F (4.2°C) and 50.2°F (10.1°C). In Gresham, the average high-temperature in November decreases from an enjoyable 61°F (16.1°C) in October to a fresh 50.2°F (10.1°C). Weather in November »

Weather in December

December, the first month of the winter in Gresham, is also a frosty month, with an average temperature ranging between max 43.7°F (6.5°C) and min 33.8°F (1°C). December is the coldest month, with an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 33.8°F (1°C). Weather in December »
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FAQ

How much does it rain in Gresham?

Throughout the year, in Gresham, there are 165.6 rainfall days, and 34.65" (880mm) of precipitation is accumulated.

When does it snow in Gresham?

Months with snowfall in Gresham are January through March, November and December.

How much does it snow in Gresham?

Throughout the year, there are 8.2 snowfall days, and 5.87" (149mm) of snow is accumulated.

What are the months with the least sunshine in Gresham?

The months with the least sunshine in Gresham are January and February, with an average of 4.2h of sunshine.

What is the month with the lowest UV index in Gresham?

The months with the lowest UV index in Gresham, Oregon, are January, February, November and December, with an average maximum UV index of 2.

What is the most humid month in Gresham?

With an average relative humidity of 84%, February is the most humid month in Gresham.

When does it snow the most in Gresham?

The month with the most snowfall in Gresham, Oregon, is March, when snow falls for 1.7 days and typically aggregates up to 1.73" (44mm) of snow.

When is Daylight Saving Time (DST) in Gresham?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Gresham, Oregon, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Gresham?

April through October are months without snowfall in Gresham.

When are the longest days in Gresham?

With an average of 15h and 37min of daylight, June has the longest days of the year.

What is the driest month in Gresham?

The month with the least rainfall in Gresham, Oregon, is July, when the rain falls for 4.9 days and typically collects 0.31" (8mm) of precipitation.

What is the month with the most sunshine in Gresham?

July and August, with an average of 10.9h of sunshine, are months with the most sunshine in Gresham.

What is the month with the highest UV index in Gresham?

July is the month with the highest UV index in Gresham, Oregon, with an average maximum UV index of 6.

What is the warmest month in Gresham?

August is the warmest month, with an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 53.4°F (11.9°C).

What is the least humid month in Gresham?

With an average relative humidity of 64%, August is the least humid month in Gresham.

What is the coldest month in Gresham?

With an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 33.8°F (1°C), December is the coldest month in Gresham.

What is the wettest month in Gresham?

The month with the most rainfall in Gresham, Oregon, is December, when the rain falls for 17.6 days and typically aggregates up to 5.31" (135mm) of precipitation.

What is the month with the shortest days in Gresham?

The month with the shortest days is December, with an average of 8h and 47min of daylight.

Average temperature
Gresham, OR

Average temperature - Gresham, OR

The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).

The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).

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Average pressure
Gresham, OR

Average pressure - Gresham, OR

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed
Gresham, OR

Average wind speed - Gresham, OR

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average rainfall
Gresham, OR

Average rainfall - Gresham, OR

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days
Gresham, OR

Average rainfall days - Gresham, OR

The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).

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Average snowfall
Gresham, OR

Average snowfall - Gresham, OR

The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Gresham, OR

Average snowfall days - Gresham, OR

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Gresham, OR

Average daylight / Average sunshine - Gresham, OR

The month with the longest days is June (Average daylight: 15h and 37min).
The month with the shortest days is December (Average daylight: 8h and 47min).

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

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Average sunshine days
Gresham, OR

Average sunshine days - Gresham, OR

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).

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Average UV index
Gresham, OR

Average UV index - Gresham, 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).

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Average visibility
Gresham, OR

Average visibility - Gresham, OR

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

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