Climate and monthly weather forecast
Island City, OR

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Weather in January

January, like December, in Island City, Oregon, is a wintry winter month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 34.3°F (1.3°C). With the transition into January, Island City notes an average high-temperature of a still icy 34.3°F (1.3°C), closely resembling December. Weather in January »

Weather in February

February, the last month of the winter in Island City, is another cold month, with an average temperature ranging between max 36.1°F (2.3°C) and min 24.4°F (-4.2°C). January's transformation into February witnesses an average high-temperature of a still cold 36.1°F (2.3°C), noting a minor change from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Island City, Oregon, with an average temperature varying between 28.6°F (-1.9°C) and 43.3°F (6.3°C). March witnesses a subtle temperature ascent, adjusting from a cold 36.1°F (2.3°C) in February to a chilly 43.3°F (6.3°C). Weather in March »

Weather in April

April is a cool spring month in Island City, Oregon, with an average temperature ranging between max 51.1°F (10.6°C) and min 32.2°F (0.1°C). As Island City, Oregon, transitions into April, a marginal rise in the average high-temperature is observed, moving from a chilly 43.3°F (6.3°C) in March to a cool 51.1°F (10.6°C). Weather in April »

Weather in May

May, the last month of the spring in Island City, is a refreshing month, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 37.6°F (3.1°C). An increase in the average high-temperature marks May, moving from April's cool 51.1°F (10.6°C) to a comfortable 61.3°F (16.3°C). Weather in May »

Weather in June

June, the first month of the summer in Island City, is an agreeable month, with an average temperature fluctuating between 42.6°F (5.9°C) and 69.1°F (20.6°C). As June sets, the average high-temperature shows a slight increase, moving up from an enjoyable 61.3°F (16.3°C) in May to a pleasant 69.1°F (20.6°C). Weather in June »

Weather in July

July in Island City, Oregon, is a warm summer month, with an average temperature varying between 50.2°F (10.1°C) and 81°F (27.2°C). With the transition into July, Island City experiences an increase in average high-temperatures, moving up from an agreeable 69.1°F (20.6°C) in June to a moderately hot 81°F (27.2°C). Weather in July »

Weather in August

August, the last month of the summer in Island City, is another warm month, with an average temperature varying between 81.3°F (27.4°C) and 52.2°F (11.2°C). Temperature records mark August as the warmest month, with highs averaging 81.3°F (27.4°C) and lows at 52.2°F (11.2°C). During August, the heat index is computed to be 80.6°F (27°C). Weather in August »

Weather in September

September, the first month of the autumn in Island City, is still a pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 46°F (7.8°C). Setting in of September comes with a decrease in the average high-temperature, moving from a moderately hot 81.3°F (27.4°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »

Weather in October

October, the same as September, in Island City, Oregon, is another mild autumn month, with an average temperature ranging between max 56.3°F (13.5°C) and min 37.2°F (2.9°C). The drop of average high-temperatures is noticeable in October, with a decrease from an agreeable 72.1°F (22.3°C) in September to a refreshing 56.3°F (13.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Island City, is another cold month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 42.1°F (5.6°C). With the onset of November, Island City experiences a modest temperature adjustment, with the average high-temperature receding from a refreshing 56.3°F (13.5°C) in October to a cold 42.1°F (5.6°C). Weather in November »

Weather in December

December, the first month of the winter in Island City, is also a wintry month, with an average temperature varying between 20.5°F (-6.4°C) and 32.5°F (0.3°C). Island City's coldest weather arrives in December, when temperatures average a high of 32.5°F (0.3°C) and a low of 20.5°F (-6.4°C). Weather in December »

Frequently asked questions

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 86%.

How much does it rain?

Throughout the year, there are 141.7 rainfall days, and 18.43" (468mm) of precipitation is accumulated.

When does it snow in Island City?

January through May, September through December are months with snowfall.

How many days does it snow in Island City?

Throughout the year, there are 56.6 snowfall days, and 36.85" (936mm) of snow is accumulated.

What are the months with the least sunshine?

The months with the least sunshine are January and February, with an average of 5.1h of sunshine.

What are the months with the lowest UV index?

January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month in Island City?

February is the month with the most snowfall. Snow falls for 11.8 days and accumulates 10.2" (259mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Island City, 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?

June through August are months without snowfall.

When are the longest days?

With an average of 15h and 36min of daylight, June has the longest days of the year.

What is the driest month?

July is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.35" (9mm) of precipitation.

What are the months with the most sunshine?

July and August, with an average of 12h of sunshine, are months with the most sunshine.

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 month is the hottest?

The average temperatures reach their apex in August, averaging 81.3°F (27.4°C) at the high end and 52.2°F (11.2°C) at the low end.

What is the least humid month?

With an average relative humidity of 45%, August is the least humid month.

What is the coldest month?

Island City's coldest month, December, registers temperatures that range from a high of 32.5°F (0.3°C) to a low of 20.5°F (-6.4°C).

What is the rainiest month?

The month with the most rainfall in Island City, Oregon, is December, when the rain falls for 12.5 days and typically aggregates up to 2.48" (63mm) 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
Island City, OR

Average temperature - Island City, OR

The warmest month (with the highest average high temperature) is August (81.3°F).
The month with the lowest average high temperature is December (32.5°F).

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.5°F).

Average pressure
Island City, OR

Average pressure - Island City, OR

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

Average wind speed
Island City, OR

Average wind speed - Island City, OR

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity
Island City, OR

Average humidity - Island City, OR

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (45%).

Average rainfall
Island City, OR

Average rainfall - Island City, OR

The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days
Island City, OR

Average rainfall days - Island City, OR

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (4.8 days).

Average snowfall
Island City, OR

Average snowfall - Island City, OR

The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Island City, OR

Average snowfall days - Island City, OR

The month with the highest number of snowfall days is December (13.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Island City, OR

Average daylight / Average sunshine - Island City, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days
Island City, OR

Average sunshine days - Island City, OR

The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is February (9.1 days).

Average UV index
Island City, OR

Average UV index - Island City, OR

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

Average visibility
Island City, OR

Average visibility - Island City, OR

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

Island City, Oregon, USA

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