Climate and monthly weather forecastOak Harbor, WA
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Oak Harbor, Washington, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 45°F (7.2°C). Shifting into January, Oak Harbor records an average high-temperature of a still frosty 45°F (7.2°C), presenting minor fluctuations compared to the previous month. Weather in January »Weather in February
February, the last month of the winter in Oak Harbor, is another chilly month, with an average temperature ranging between max 44.8°F (7.1°C) and min 37.9°F (3.3°C). February's advent presents an average high-temperature of a still chilly 44.8°F (7.1°C), indicating a slight variation from the conditions of the previous month. Weather in February »Weather in March
March, the first month of the spring in Oak Harbor, is still a chilly month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 40.6°F (4.8°C). The arrival of March brings an average high-temperature of a still chilly 48.6°F (9.2°C), subtly diverging from February's 44.8°F (7.1°C). Weather in March »Weather in April
April in Oak Harbor, Washington, is a fresh spring month, with an average temperature ranging between min 43.7°F (6.5°C) and max 52.3°F (11.3°C). On the advent of April, Oak Harbor's average high-temperature exhibits a minor adjustment to a cool 52.3°F (11.3°C) from March's 48.6°F (9.2°C). Weather in April »Weather in May
The last month of the spring, May, is a mild month in Oak Harbor, Washington, with an average temperature ranging between min 48°F (8.9°C) and max 59°F (15°C). Entering May, Oak Harbor notices a subtle temperature elevation, with the average high-temperature advancing from April's cool 52.3°F (11.3°C) to a mild 59°F (15°C). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Oak Harbor, Washington, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 62.2°F (16.8°C). With the advent of June, Oak Harbor's high-temperatures adjust to a still refreshing 62.2°F (16.8°C), closely aligning with the preceding month. Weather in June »Weather in July
July, like June, in Oak Harbor, Washington, is another enjoyable summer month, with an average temperature ranging between min 54.5°F (12.5°C) and max 66.2°F (19°C). July temperatures tend to peak at an average high of 66.2°F (19°C) and dip to a low of 54.5°F (12.5°C). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Oak Harbor, Washington, with an average temperature varying between 66°F (18.9°C) and 55.9°F (13.3°C). Oak Harbor, Washington, starts August with an average high-temperature of a still enjoyable 66°F (18.9°C), hinting at a minimal fluctuation from July. Weather in August »Weather in September
September, the first month of the autumn in Oak Harbor, is still a comfortable month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 53.4°F (11.9°C). As August transitions into September, the average high-temperature rests at a still comfortable 62.8°F (17.1°C), maintaining a close resemblance to the previous month. Weather in September »Weather in October
October, like September, is another mild autumn month in Oak Harbor, Washington, with an average temperature fluctuating between 48.2°F (9°C) and 55.6°F (13.1°C). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a refreshing 62.8°F (17.1°C) to a moderate 55.6°F (13.1°C). Weather in October »Weather in November
November, the last month of the autumn in Oak Harbor, is also a frosty month, with an average temperature fluctuating between 48.4°F (9.1°C) and 43°F (6.1°C). A minor decrease in the average high-temperature is observed during November, shifting from a refreshing 55.6°F (13.1°C) in October to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Oak Harbor, is also a frosty month, with an average temperature fluctuating between 43.7°F (6.5°C) and 38.3°F (3.5°C). December tends to be the coldest month, with temperatures averaging a daily high of 43.7°F (6.5°C) and a low of 38.3°F (3.5°C). Weather in December »Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January through March, with an average relative humidity of 81%, are most humid months in Oak Harbor.
In Oak Harbor, during the entire year, the rain falls for 183.8 days and collects up to 24.45" (621mm) of precipitation.
January through April, November and December are months with snowfall.
Throughout the year, there are 9.6 snowfall days, and 5.63" (143mm) of snow is accumulated.
The months with the coldest seawater are January, February and April, with an average ocean temperature of 45.1°F (7.3°C).
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Oak Harbor, Washington.
February is the month with the most snowfall in Oak Harbor, Washington. Snow falls for 3.3 days and accumulates 3.27" (83mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Oak Harbor, 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.
May through October are months without snowfall.
The month with the longest days is June, with an average of 16h and 0min of daylight.
July is the month when Oak Harbor, Washington, experiences its warmest temperatures, averaging a high of 66.2°F (19°C) and a low of 54.5°F (12.5°C).
July is the least humid month in Oak Harbor, Washington, with an average relative humidity of 76%.
The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.47" (12mm) of precipitation.
The month with the highest UV index in Oak Harbor is July, with an average maximum UV index of 5.
August and September, with an average ocean temperature of 53.1°F (11.7°C), are months with the warmest seawater.
August has the most sunshine of the year in Oak Harbor, Washington, with an average of 11h of sunshine.
November is the month with the most rainfall in Oak Harbor. Rain falls for 20.5 days and accumulates 3.46" (88mm) of precipitation.
December proves to be the coldest month, recording an average maximum temperature of 43.7°F (6.5°C) and a minimum temperature of 38.3°F (3.5°C).
December has the shortest days of the year in Oak Harbor, Washington, with an average of 8h and 24min of daylight.
With an average of 4.6h of sunshine, December has the least sunshine of the year.
Average temperature
Oak Harbor, WA
The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (43.7°F).
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).
Average pressure
Oak Harbor, WA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.05"Hg - Average pressure in August:
30.01"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:
30.07"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed
Oak Harbor, WA
- Average wind speed in January:
8mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.4mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.7mph - Average wind speed in October:
6.4mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Oak Harbor, WA
The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is July (76%).
Average rainfall
Oak Harbor, WA
- Average rainfall in January:
2.72" - Average rainfall in February:
2.76" - Average rainfall in March:
2.44" - Average rainfall in April:
2.01" - Average rainfall in May:
1.69" - Average rainfall in June:
1.18"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.71" - Average rainfall in September:
1.57" - Average rainfall in October:
2.68" - Average rainfall in November:
3.46" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is November (3.46").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days
Oak Harbor, WA
- Average rainfall days in January:
18.5 days - Average rainfall days in February:
17.1 days - Average rainfall days in March:
21.1 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
7.5 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
20.5 days - Average rainfall days in December:
18.7 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (7.5 days).
Average snowfall
Oak Harbor, WA
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Oak Harbor, WA
- Average snowfall days in January:
2.1 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.8 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:
0.6 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Oak Harbor, WA
The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).
Average daylight / Average sunshine
Oak Harbor, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
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 42min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days
Oak Harbor, WA
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
7.5 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
21.6 days - Average sunshine days in August:
21.7 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.5 days).
Average UV index
Oak Harbor, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Oak Harbor, WA
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Oak Harbor, WA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
