Climate and monthly weather forecastAnacortes, WA
Climate and monthly weather forecast
The climate of Anacortes
Predominantly governed by a Mediterranean climate with warm summers, Anacortes, Washington, USA falls under the Köppen climate classification of Csb. Geographically, Anacortes occupies a position that allows it to experience temperate weather conditions throughout the year.Analyzing the data, it's evident that temperatures remain fairly mild ranging from average lows of 38.8°F (3.8°C) in January to average highs of 66.9°F (19.4°C) in July. The year sees a gentle rise in temperatures with the peak occurring in July and August, following which a gradual decline is observed. Humidity levels share a close association with the temperatures, remaining in the high 70% to low 80% range throughout the year.
As a coastal city, Anacortes sees substantial rainfall spread throughout the year. The precipitation is at its peak in November with an average of 4.45" (113mm), while the driest month is July averaging at 0.59" (15mm). Snowfall is relatively uncommon, with only minor amounts being seen in January and February. Overcast conditions are common, with a cloud cover of more than 50% seen for more than half the year, with the least cloud cover observed during the summer months.
The best time to visit Anacortes
Considering the weather conditions, the ideal time to visit Anacortes would be between June and September. During this period, the city sees the highest temperatures with highs averaging from 59.4°F (15.2°C) to 66.9°F (19.4°C) and average lows ranging from 48°F (8.9°C) to 55.8°F (13.2°C). The rainfall is also the least during these months, ranging from 0.59" (15mm) to 1.3" (33mm), making outdoor activities more enjoyable.The worst time to visit Anacortes
With its year-round mild temperatures, Anacortes does not have a particularly unfavorable time for visitation. Nonetheless, visitors might want to avoid the months from November to January when rain is highest, averaging from 3.5" (89mm) to 4.45" (113mm), respectively. Additionally, these months also observe the lowest temperatures and least amount of sunshine, potentially limiting outdoor activity.Spring weather in Anacortes
Spring in Anacortes spans from March to May, observing a comfortable rise in temperatures from 43°F (6.1°C) to 52.9°F (11.6°C). Rainfall during these months ranges from 2.44" (62mm) to 2.95" (75mm). Coupled with declining humidity levels, the weather becomes increasingly pleasant towards the end of spring.Summer weather in Anacortes
Characterized by warm temperatures and reduced precipitation, summer in Anacortes extends from June to August. Average daily temperatures in these months range from 59.4°F (15.2°C) to 66.9°F (19.4°C), creating an agreeable warm climate. The summer months, particularly July, see the least amount of rainfall averaging at 0.59" (15mm).Autumn weather in Anacortes
Autumn in Anacortes is marked by a gradual decline in temperatures, with average highs falling from 62.4°F (16.9°C) in September to 43.5°F (6.4°C) in November. Rainfall increases in these months, reaching a peak in November with an average of 4.45" (113mm).Winter weather in Anacortes
The winter months in Anacortes bring cooler temperatures, with average highs ranging from 43.5°F (6.4°C) in December to 38.8°F (3.8°C) in January. Rainfall remains high during this season, measuring from 3.5" (89mm) to 3.58" (91mm), respectively. Meanwhile, snowfall is a rare occurrence, with minor amounts being observed only in January and February.Weather in January
January arrives in Anacortes, Washington carrying the chill of winter, with temperatures hovering from 38.8°F (3.8°C) to 45.1°F (7.3°C). Additionally, snowfall, albeit rare, may grace the cityscape with an average measure of around 1.81" (46mm). Weather in January »Weather in February
In February, Anacortes experiences a gentle shift in weather compared to January. The cold winter air gives way to marginally warmer conditions, as temperatures slightly increase. Along with this new range of temperature, the city receives an average snowfall of 2.76" (70mm). Weather in February »Weather in March
Entering March, Anacortes's weather conditions hint at a transition from winter to spring. The city greets the month with modestly rising temperatures bringing a slight respite from the winter chill. Accompanying the rise in temperatures is a decrease in snowfall, recorded at an average of 0.87" (22mm). Weather in March »Weather in April
April in Anacortes signifies a departure from any remaining vestiges of winter. Temperatures continue on an upward trend, marking the onset of more pleasant weather conditions. The snow from the winter months fades away, replaced by a mere 0.08" (2mm) average. Weather in April »Weather in May
May sees Anacortes firmly embracing the spring season, as temperatures rise to a comfortable range. Weather in May is characterized by the absence of snowfall, indicating a complete transition from the colder seasons. The average pressure stands at 30.02" (763mm), alluding to a stable, enjoyable climate. Weather in May »Weather in June
With the onset of June, summer arrives in Anacortes, carrying higher temperatures and longer daylight hours. The climate is devoid of snowfall and characterized by reduced rainfall compared to the previous months. Daily sunshine rises to 9.6 hours on average, allowing ample room for outdoor activities. Weather in June »Weather in July
Anacortes embraces full-fledged summer in July, with higher temperatures becoming the order of the day. Peculiarly, July stands out with a marked decrease in rainfall to an average of 0.59" (15mm)—an extraordinarily dry spell for the city. Weather in July »Weather in August
Stepping into August, Anacortes remains in the stronghold of summer characterized by higher temperatures and balmy weather. The city sees continuous minimal rainfall, recording an average of 0.87" (22mm), maintaining the trend from July. Weather in August »Weather in September
September marks the onset of autumn in Anacortes, bringing about a change in the weather dynamics. Temperatures begin to recede gradually, paving the way for cooler months ahead. Rainfall begins its upward climb, recording an average of 2.28" (58mm). Weather in September »Weather in October
October in Anacortes translates to a beautiful blend of fall colors and mild temperatures. The city’s weather takes a cooler turn compared to the warmer months of September. The increase in rainfall recorded at an average of 3.35" (85mm), hints at the approaching winter. Weather in October »Weather in November
With November, Anacortes ushers in the late-autumn weather characterized by plummeting temperatures and an increase in precipitation. The city sees a sharp rise in rainfall, amounting to an average of 4.45" (113mm), the highest yearly rainfall. Weather in November »Weather in December
In December, Anacortes adorns itself in winter garb, with lower temperatures and short daylight hours. Snow dusts the city with an average of 0.35" (9mm), ushering in the holiday season. With the highest average relative humidity standing at 79%, the city experiences colder and humid conditions. 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
The months with the highest humidity in Anacortes are January and February, with an average relative humidity of 81%.
In Anacortes, Washington, during the entire year, the rain falls for 182.3 days and collects up to 30.2" (767mm) of precipitation.
Months with snowfall in Anacortes are January through April, November and December.
In Anacortes, Washington, during the entire year, snow falls for 9.4 days and aggregates up to 5.98" (152mm) of snow.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall in Anacortes, Washington. Snow falls for 3 days and accumulates 2.76" (70mm) of snow.
The month with the coldest seawater in Anacortes is February, with an average ocean temperature of 44.4°F (6.9°C).
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 Anacortes, Washington, snow does not fall in May through October.
With an average of 16h and 6min of daylight, June has the longest days of the year.
July, with its average high-temperature of 66.9°F (19.4°C) and an average low-temperature of 54.5°F (12.5°C), holds the record as the warmest month in Anacortes, Washington.
With an average relative humidity of 76%, July is the least humid month in Anacortes, Washington.
The month with the least rainfall in Anacortes, Washington, is July, when the rain falls for 7.5 days and typically collects 0.59" (15mm) of precipitation.
July and August, with an average of 10.6h of sunshine, are months with the most sunshine in Anacortes, Washington.
With an average maximum UV index of 5, July is the month with the highest UV index in Anacortes.
The month with the warmest seawater in Anacortes, Washington, is August, with an average ocean temperature of 52.7°F (11.5°C).
The month with the most rainfall is November, when the rain falls for 20.1 days and typically aggregates up to 4.45" (113mm) of precipitation.
Anacortes's December weather reaches an average high of 43.5°F (6.4°C) and an average low of 38.8°F (3.8°C), making it the coldest month.
With an average of 8h and 24min of daylight, December has the shortest days of the year in Anacortes, Washington.
The month with the least sunshine is December, with an average of 4h of sunshine.
Average temperature
Anacortes, WA
The warmest month (with the highest average high temperature) is July (66.9°F).
The month with the lowest average high temperature is December (43.5°F).
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is February (38.1°F).
Average pressure
Anacortes, WA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30"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:
30.04"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:
30.02"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed
Anacortes, WA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7mph - Average wind speed in May:
5.3mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.9mph - Average wind speed in October:
6.8mph - Average wind speed in November:
8.9mph - Average wind speed in December:
8.7mph
The windiest month (with the highest average wind speed) is November (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Anacortes, WA
The months with the highest relative humidity are January and February (81%).
The month with the lowest relative humidity is July (76%).
Average rainfall
Anacortes, WA
- Average rainfall in January:
3.58" - Average rainfall in February:
3.07" - Average rainfall in March:
2.95" - Average rainfall in April:
2.44" - Average rainfall in May:
1.81" - Average rainfall in June:
1.3"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.87" - Average rainfall in September:
2.28" - Average rainfall in October:
3.35" - Average rainfall in November:
4.45" - Average rainfall in December:
3.5"
The wettest month (with the highest rainfall) is November (4.45").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days
Anacortes, WA
- Average rainfall days in January:
18.2 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.3 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
7.5 days - Average rainfall days in August:
7.3 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
16.4 days - Average rainfall days in November:
20.1 days - Average rainfall days in December:
19.1 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (7.3 days).
Average snowfall
Anacortes, WA
The month with the highest snowfall is February (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Anacortes, WA
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
3 days - Average snowfall days in March:
1.6 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:
0.7 days - Average snowfall days in December:
1.8 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Anacortes, WA
The best months for swimming (with the highest average sea temperature) are August and September (52.6°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).
Average daylight / Average sunshine
Anacortes, 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 18min - Average daylight in June:
16h and 6min
- 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 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days
Anacortes, WA
- Average sunshine days in January:
11 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
22.7 days - Average sunshine days in August:
22.7 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
9.5 days
The months with the most sunshine days are July and August (22.7 days).
The month with the least sunshine days is February (8.3 days).
Average UV index
Anacortes, 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
Anacortes, WA
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Anacortes, 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).
