Climate and monthly weather forecastMukilteo, WA
Climate and monthly weather forecast
Weather in January
January in Mukilteo, Washington, is a frosty winter month, with an average temperature ranging between min 36.7°F (2.6°C) and max 45°F (7.2°C). Mukilteo records an average high-temperature of a frosty 45°F (7.2°C) in January, maintaining a close correlation with December's 42.6°F (5.9°C). Weather in January »Weather in February
February, the last month of the winter in Mukilteo, is also a frosty month, with an average temperature ranging between max 45.5°F (7.5°C) and min 36°F (2.2°C). Mukilteo's transition from January to February introduces an average high-temperature of a still frosty 45.5°F (7.5°C), marking an insignificant variation from the 45°F (7.2°C). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Mukilteo, Washington, with an average temperature fluctuating between 49.5°F (9.7°C) and 38.1°F (3.4°C). In March, the average high-temperature registers at a still chilly 49.5°F (9.7°C), nearly identical to February's 45.5°F (7.5°C). Weather in March »Weather in April
April in Mukilteo, Washington, is a cool spring month, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 41.2°F (5.1°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a frosty 49.5°F (9.7°C) in March to a cool 54.9°F (12.7°C). Weather in April »Weather in May
May, the last month of the spring in Mukilteo, is a comfortable month, with an average temperature ranging between max 62.6°F (17°C) and min 45.3°F (7.4°C). Mukilteo's transition into May brings a slight rise in the average high-temperature, moving from a fresh 54.9°F (12.7°C) in April to a comfortable 62.6°F (17°C). Weather in May »Weather in June
The first month of the summer, June, is still a refreshing month in Mukilteo, Washington, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 66.7°F (19.3°C). At the start of June, Mukilteo's average high-temperature reaches a still refreshing 66.7°F (19.3°C), subtly different from the preceding month. Weather in June »Weather in July
July in Mukilteo, Washington, is a pleasant summer month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 72.1°F (22.3°C). July brings a slight rise in Mukilteo's average high-temperature, moving from a comfortable 66.7°F (19.3°C) in June to a pleasant 72.1°F (22.3°C). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Mukilteo, Washington, with an average temperature ranging between min 54°F (12.2°C) and max 72.7°F (22.6°C). The warmest time of the year is August, with temperatures averaging a high of 72.7°F (22.6°C) and a low of 54°F (12.2°C). Weather in August »Weather in September
September, the first month of the autumn in Mukilteo, is still a refreshing month, with an average temperature ranging between max 67.1°F (19.5°C) and min 51.4°F (10.8°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from an agreeable 72.7°F (22.6°C) in August to a refreshing 67.1°F (19.5°C). Weather in September »Weather in October
October, the same as September, in Mukilteo, Washington, is another mild autumn month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 57.6°F (14.2°C). October weather is marked by a drop in the average high-temperature, falling from an enjoyable 67.1°F (19.5°C) in September to a still refreshing 57.6°F (14.2°C). Weather in October »Weather in November
November, the last month of the autumn in Mukilteo, is also a frosty month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 48°F (8.9°C). Mukilteo's weather changes with the onset of November, slightly falling from a mild 57.6°F (14.2°C) in October to a frosty 48°F (8.9°C). Weather in November »Weather in December
December, the first month of the winter in Mukilteo, is also an icy month, with an average temperature varying between 42.6°F (5.9°C) and 35.4°F (1.9°C). In Mukilteo, the month of December is known for its lowest average temperatures, reaching a high of 42.6°F (5.9°C) and a low of 35.4°F (1.9°C). Weather in December »Updated: Jul 8, 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
In Mukilteo, Washington, during the entire year, the rain falls for 173.1 days and collects up to 26.02" (661mm) of precipitation.
Months with snowfall are January through April, November and December.
Throughout the year, there are 16.3 snowfall days, and 10.08" (256mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the highest humidity are February and December, with an average relative humidity of 84%.
The month with the most snowfall in Mukilteo, Washington, is February, when snow falls for 5.2 days and typically aggregates up to 4.61" (117mm) of snow.
With an average ocean temperature of 45.3°F (7.4°C), February is the month with the coldest seawater.
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.
In Mukilteo, snow does not fall in May through October.
June has the longest days of the year, with an average of 16h and 0min of daylight.
The least humid month is July, with an average relative humidity of 72%.
July is the month with the least rainfall. Rain falls for 7.7 days and accumulates 0.43" (11mm) of precipitation.
The month with the highest UV index is July, with an average maximum UV index of 5.
August, on average, is the warmest month, registering a high temperature of 72.7°F (22.6°C) and a low of 54°F (12.2°C).
With an average ocean temperature of 53.6°F (12°C), August is the month with the warmest seawater.
With an average of 10.7h of sunshine, August has the most sunshine of the year.
December is the month that records the lowest temperatures, with averages ranging from a high of 42.6°F (5.9°C) to a low of 35.4°F (1.9°C).
December is the month with the most rainfall. Rain falls for 18.1 days and accumulates 3.54" (90mm) of precipitation.
With an average of 8h and 30min of daylight, December has the shortest days of the year.
Average temperature
Mukilteo, WA
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure
Mukilteo, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"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 (30.01"Hg).
Average wind speed
Mukilteo, WA
- Average wind speed in January:
6mph - Average wind speed in February:
5.5mph - Average wind speed in March:
6mph - Average wind speed in April:
5.2mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.6mph - Average wind speed in September:
4.2mph - Average wind speed in October:
5mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity
Mukilteo, WA
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Mukilteo, WA
- Average rainfall in January:
3.43" - Average rainfall in February:
2.8" - Average rainfall in March:
2.76" - Average rainfall in April:
2.13" - Average rainfall in May:
1.61" - Average rainfall in June:
1.18"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.47" - Average rainfall in September:
1.5" - Average rainfall in October:
2.72" - Average rainfall in November:
3.46" - Average rainfall in December:
3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Mukilteo, WA
- Average rainfall days in January:
18 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
7.7 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall
Mukilteo, WA
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Mukilteo, WA
- Average snowfall days in January:
2.7 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
1.1 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:
0.9 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Mukilteo, WA
The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight / Average sunshine
Mukilteo, WA
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - 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 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
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 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 36min - Average sunshine in November:
4h and 42min - Average sunshine in December:
4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Mukilteo, WA
- Average sunshine days in January:
10.6 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
9.6 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
21.8 days - Average sunshine days in August:
22.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
10.7 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index
Mukilteo, 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
Mukilteo, WA
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Mukilteo, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
