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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 in Oakville, Washington, is a frosty winter month, with an average temperature ranging between min 34.2°F (1.2°C) and max 44.8°F (7.1°C). January's onset records a minor alteration in the average high-temperature to a frosty 44.8°F (7.1°C) from December's 42.6°F (5.9°C). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Oakville, Washington, with an average temperature ranging between min 33.4°F (0.8°C) and max 46.2°F (7.9°C). The onset of February brings an average high-temperature of a still chilly 46.2°F (7.9°C), nearly matching the January temperature. Weather in February »
Weather in March
March, the first month of the spring in Oakville, is a cool month, with an average temperature varying between 50.5°F (10.3°C) and 35.2°F (1.8°C). At the onset of March, Oakville records an average high-temperature of a fresh 50.5°F (10.3°C), showing little deviation from the preceding month. Weather in March »
Weather in April
April in Oakville, Washington, is a refreshing spring month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 56.7°F (13.7°C). April's onset brings a subtle temperature rise, moving from a fresh 50.5°F (10.3°C) in March to a moderate 56.7°F (13.7°C). Weather in April »
Weather in May
May, the last month of the spring in Oakville, is a comfortable month, with an average temperature fluctuating between 64.9°F (18.3°C) and 41.2°F (5.1°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's refreshing 56.7°F (13.7°C) to a comfortable 64.9°F (18.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Oakville, Washington, with an average temperature ranging between min 45°F (7.2°C) and max 69.8°F (21°C). Oakville records an average high-temperature of a pleasant 69.8°F (21°C) in June, maintaining a close correlation with May's 64.9°F (18.3°C). Weather in June »
Weather in July
July is a moderately hot summer month in Oakville, Washington, with an average temperature ranging between max 76.6°F (24.8°C) and min 48.6°F (9.2°C). A minor escalation in the average high-temperature is seen with the onset of July, moving from a pleasant 69.8°F (21°C) in June to a warm 76.6°F (24.8°C). Weather in July »
Weather in August
August, the last month of the summer in Oakville, is also a moderately hot month, with an average temperature ranging between min 49.8°F (9.9°C) and max 77.4°F (25.2°C). Oakville's warmest month, August, registers temperatures that range from a high of 77.4°F (25.2°C) to a low of 49.8°F (9.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Oakville, is also an agreeable month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 70.2°F (21.2°C). Oakville's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 77.4°F (25.2°C) to an agreeable 70.2°F (21.2°C). Weather in September »
Weather in October
October, the same as September, in Oakville, Washington, is a moderate autumn month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 58.6°F (14.8°C). As September transitions to October, the average high-temperature falls from a pleasant 70.2°F (21.2°C) to a moderate 58.6°F (14.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Oakville, is another chilly month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 48.4°F (9.1°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a moderate 58.6°F (14.8°C) in October to a frosty 48.4°F (9.1°C). Weather in November »
Weather in December
December, the first month of the winter in Oakville, is also an icy month, with an average temperature fluctuating between 33.1°F (0.6°C) and 42.6°F (5.9°C). In Oakville, Washington, the month of December registers the lowest temperatures, averaging 42.6°F (5.9°C) at the peak and 33.1°F (0.6°C) at the lowest. Weather in December »
Updated: Feb 14, 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 wettest month in Oakville?
The month with the most rainfall is January, when the rain falls for 17.8 days and typically aggregates up to 3.86" (98mm) of precipitation.
How many days does it rain in Oakville?
In Oakville, Washington, during the entire year, the rain falls for 168 days and collects up to 23.94" (608mm) of precipitation.
When does it snow in Oakville?
Months with snowfall are January through March, November and December.
How many days does it snow in Oakville?
Throughout the year, there are 7.9 snowfall days, and 4.02" (102mm) of snow is accumulated.
When is the lowest UV index in Oakville?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Oakville?
The month with the most snowfall is February, when snow falls for 2.7 days and typically aggregates up to 1.54" (39mm) of snow.
When is Daylight Saving Time (DST) in Oakville?
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 Oakville?
In Oakville, Washington, snow does not fall in April through October.
When are the longest days in Oakville?
June has the longest days of the year in Oakville, with an average of 15h and 48min of daylight.
When is the highest UV index in Oakville?
The months with the highest UV index in Oakville are June and July, with an average maximum UV index of 5.
What is the least humid month in Oakville?
The least humid month in Oakville, Washington, is July, with an average relative humidity of 73%.
What is the driest month in Oakville?
July is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.35" (9mm) of precipitation.
What time of the year is the hottest in Oakville?
During the warmest month in Oakville, August, temperatures average a high of 77.4°F (25.2°C) and a low of 49.8°F (9.9°C).
What month has the most sunshine in Oakville?
With an average of 10.1h of sunshine, August has the most sunshine of the year in Oakville.
What is the most humid month in Oakville?
With an average relative humidity of 90%, November is the most humid month.
What are the coldest months in Oakville?
December proves to be the coldest month, recording an average maximum temperature of 42.6°F (5.9°C) and a minimum temperature of 33.1°F (0.6°C).
What is the month with the shortest days in Oakville?
With an average of 8h and 36min of daylight, December has the shortest days of the year in Oakville, Washington.
What is the month with the least sunshine in Oakville?
December has the least sunshine of the year in Oakville, Washington, with an average of 3.5h of sunshine.
Average temperature
Oakville, WA
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure
Oakville, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed
Oakville, WA
- Average wind speed in January:
4.5mph - Average wind speed in February:
4.3mph - Average wind speed in March:
4.5mph - Average wind speed in April:
4.4mph - Average wind speed in May:
4mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.8mph - Average wind speed in September:
3.6mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.2mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity
Oakville, WA
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall
Oakville, WA
- Average rainfall in January:
3.86" - Average rainfall in February:
2.32" - Average rainfall in March:
2.6" - Average rainfall in April:
1.85" - Average rainfall in May:
1.34" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.39" - Average rainfall in September:
1.14" - Average rainfall in October:
2.76" - Average rainfall in November:
2.52" - Average rainfall in December:
3.74"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Oakville, WA
- Average rainfall days in January:
17.8 days - Average rainfall days in February:
15.9 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
6.3 days - Average rainfall days in August:
5.6 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
17.3 days - Average rainfall days in December:
17.9 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall
Oakville, WA
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Oakville, WA
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.5 days - Average snowfall days in April:
0.1 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:
1.2 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Oakville, WA
- Average daylight in January:
9h and 0min - 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 1min - Average daylight in June:
15h and 5min
- 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 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
4h and 5min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days
Oakville, WA
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
20.9 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
10.8 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index
Oakville, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Oakville, WA
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility
Oakville, WA
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
Oakville, Washington, USA
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