Climate and monthly weather forecastTillamook, OR
Climate and monthly weather forecast
The climate of Tillamook
Boasting an idyllic geographical spot on the Northern Oregon Coast, the city of Tillamook is governed by a Mediterranean climate with warm summers, a classification known formally by the Köppen climate system as Csb. Located in the United States, this city experiences a myriad of weather conditions throughout the year.Drawing from the climatological data, one notices a pattern characterized by a significant variation in several weather parameters over the course of a year. Rainfall, for example, is a fluctuating parameter, with the heaviest rainfall registered in December at 2.68" (68mm) and the lightest in July at merely 0.24" (6mm). The number of rainfall days also oscillates, with December logging the most at 15.5 days and July the least at 4.9 days.
A remarkable shift is also evident in terms of temperature, with the highest average high temperatures recorded from June to August, peaking at 68.4°F (20.2°C) in August. The coldest months are invariably from December to February, with the lowest average low temperature observed in December at 38.7°F (3.7°C).
In terms of the sunshine Tillamook receives, the brightest periods are from June to August, with average daily sunshine hours at their peak in August at 10.5 hours. Conversely, the gloomiest months are from December to February with the least sunshine being recorded in December with a mere 4 hours.
The best time to visit Tillamook
For those seeking to soak up the sun in Tillamook, the best time to visit would undeniably be between June and August. With the average daily temperatures soaring between 62.2°F (16.8°C) to 68.4°F (20.2°C), and sunshine-drenched days lingering between 9.2 to 10.5 hours, these months offer ideal weather for outdoor recreation. Added to this, rainfall events are at their lowest levels, ensuring minimal disruption to outdoor activities.The worst time to visit Tillamook
Rainfall may prove disruptive to outdoor activities and may thus discourage visitors. With this in mind, the least pleasant months for visiting Tillamook would likely be during the late autumn to early winter period from November to December. These months record the highest rainfall levels, peaking at 2.68" (68mm) in December accompanied by 15.5 rainy days. Furthermore, the lower visibility of 5 miles witnessed in November, combined with chillier temperatures and less solar exposure, might not appeal to most travellers.Spring weather in Tillamook
Spring in Tillamook, spanning the months of March through May, is characterized by moderate temperatures and a gradual reduction in rainfall. Average high temperatures escalate from 49.3°F (9.6°C) in March to 58.6°F (14.8°C) in May, while the average low temperatures also rise from 40.5°F (4.7°C) to 45.9°F (7.7°C) in the same period. Rainfall retreats from 1.42" (36mm) in March to 0.87" (22mm) in May, while daylight hours extend through the season reaching 14.9 hours in May.Summer weather in Tillamook
Typical of a Mediterranean climate, Tillamook experiences warm and dry summers from June to August. Average high temperatures soar from 62.2°F (16.8°C) in June to 68.4°F (20.2°C) in August, while nightly lows hover steadily between 49.6°F (9.8°C) to 53.8°F (12.1°C). Additionally, rainfall is at its lowest, registering just 0.24" (6mm) in July, and most days bask in ample sunshine spanning over 15 hours.Autumn weather in Tillamook
Autumn in Tillamook witnesses a shift in the weather from warm to cooler averages from September to November. The average high temperatures drop from 65.1°F (18.4°C) in September to 50.7°F (10.4°C) in November. Simultaneously, the average low temperatures cool down from 52.3°F (11.3°C) to 43.2°F (6.2°C). As autumn progresses, rainfall quantities begin to rise, hitting 1.42" (36mm) in November.Winter weather in Tillamook
Winter commences in December and extends into February, with temperatures dipping to their lowest averages for the year. Average high temperatures diminish from 45.5°F (7.5°C) in December to 46.6°F (8.1°C) in February, while average low temperatures also decline, bottoming out at 38.7°F (3.7°C) in December. Winter becomes the wet season, marked by increased rainfall that peaks in December at 2.68" (68mm). On very rare occasions, Tillamook may also witness some light snowfall.Weather in January
As the new year commences, Tillamook, set in Oregon, USA, greets January with crisp, cool weather. Rainfall reaches up to 2.48" (63mm) this month, accompanying the winter chill. Compared to the milder conditions of December, the city experiences lower temperatures. Weather in January »Weather in February
The month of February in Tillamook presents reasonable changes in weather patterns. There's a slight drop in weather related attributes such as rainfall, from 2.48" (63mm) in January to 1.77" (45mm). The city bids farewell to the depth of the winter season, welcoming an increase in daylight hours compared to January. Weather in February »Weather in March
Tillamook in March transitions slowly from winter to spring, revealing an agreeable weather pattern. As compared to February, the noticeable transition exhibits a subtle increase in temperature alongside more hours of sunshine. Moving forward into April, a significant leap in daylight hours is noticeable alongside a discernible drop in rainfall. Weather in March »Weather in April
April in Tillamook is a breath of blooming freshness, signaling the onset of spring in full bloom. Rainfall decreases from 1.42" (36mm) in March to 1.22" (31mm). The weather is noticeably warmer compared to March, and daylight hours start to increase, ushering in a brighter season. Weather in April »Weather in May
May marks a significant shift in the weather system of Tillamook towards warmer, more inviting conditions. From April to May, the city experiences noticeable changes like a significant reduction in rainfall to 0.87" (22mm). Sunshine hours continue to rise as does the temperature, setting the stage for the advent of summer. Weather in May »Weather in June
As Tillamook steps into the heart of the year, June presents a welcome picture of summer. There is a significant drop in rainfall to 0.55" (14mm), a mark of the gradual transition from spring. The long daylight hours make days seem longer, and the city continues to warm up further into July. Weather in June »Weather in July
July holds the credentials of the warmest period of the year in Tillamook, Oregon. The temperature reaches the highest mark at 66.7°F (19.3°C), coupled with daylight hours peaking at 15.3 hours. The city cools down marginally moving into August, with a small decrease in sunshine and daylight hours. Weather in July »Weather in August
Amid the sultry summer season, August offers slightly milder conditions in Tillamook. From 66.7°F (19.3°C) in July, the temperature shifts to a breath-taking maximum of 68.4°F (20.2°C). However, the month shares similarities with its predecessor when it comes to daylight and sunshine hours. Weather in August »Weather in September
Tillamook in September features the beginning of autumn with a descent into cooler conditions. Rainfall notably increases from 0.28" (7mm) in August to 0.71" (18mm), indicating the onset of the wet season. Chillier temperatures and shorter daylight hours mark October's weather, following the path led by September. Weather in September »Weather in October
The city of Tillamook enters October with a notable shift towards more autumn weather. The now consistent rainfall reaches 1.38" (35mm), a significant leap from September's 0.71" (18mm). As November rolls out, further decreases in daylight and temperature compliment the city's entrance into winter. Weather in October »Weather in November
Tillamook addresses November with a prominent advancement into the colder season. November sees a rainfall of 1.42" (36mm), continuing the consistent weather pattern from October. The step towards December brings along decreasing temperatures, hours of daylight, and sunshine hours. Weather in November »Weather in December
Concluding the year, Tillamook in December enters the winter period with a significant decrease in temperature. A noticeable increase in rainfall to 2.68" (68mm) sets the stage for the cold and wet winter months. Compared to November, this month experiences a stark decline in daylight hours and slightly cooler temperatures. Weather in December »Updated: Jul 6, 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 Tillamook, during the entire year, the rain falls for 137.4 days and collects up to 15" (381mm) of precipitation.
January through March and December are months with snowfall in Tillamook.
Throughout the year, there are 2.6 snowfall days, and 0.55" (14mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.8h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average relative humidity of 84%, February is the most humid month.
The month with the most snowfall is February, when snow falls for 1.2 days and typically aggregates up to 0.31" (8mm) of snow.
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 Tillamook, snow does not fall in April through November.
With an average relative humidity of 80%, May is the least humid month.
June has the longest days of the year, with an average of 15h and 36min of daylight.
The month with the least rainfall is July, when the rain falls for 4.9 days and typically collects 0.24" (6mm) of precipitation.
The month with the highest UV index is July, with an average maximum UV index of 5.
Tillamook's temperatures tend to reach their peak averages in August, with a high of 68.4°F (20.2°C) and a low of 53.8°F (12.1°C).
August has the most sunshine of the year in Tillamook, Oregon, with an average of 10.5h of sunshine.
December is the month when Tillamook experiences its coldest temperatures, averaging a high of 45.5°F (7.5°C) and a low of 38.7°F (3.7°C).
December is the month with the most rainfall. Rain falls for 15.5 days and accumulates 2.68" (68mm) of precipitation.
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Tillamook, OR
The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure
Tillamook, OR
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.05"Hg - Average pressure in June:
30.06"Hg
- Average pressure in July:
30.07"Hg - Average pressure in August:
30.03"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:
30.07"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed
Tillamook, OR
- Average wind speed in January:
9.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.3mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Tillamook, OR
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).
Average rainfall
Tillamook, OR
- Average rainfall in January:
2.48" - Average rainfall in February:
1.77" - Average rainfall in March:
1.42" - Average rainfall in April:
1.22" - Average rainfall in May:
0.87" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.28" - Average rainfall in September:
0.71" - Average rainfall in October:
1.38" - Average rainfall in November:
1.42" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days
Tillamook, OR
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
17.6 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
10.7 days - Average rainfall days in June:
8.9 days
- Average rainfall days in July:
4.9 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
6.8 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
14 days - Average rainfall days in December:
15.5 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).
Average snowfall
Tillamook, OR
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Tillamook, OR
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 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:
0.2 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Tillamook, OR
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 24min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Tillamook, OR
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
12 days - Average sunshine days in March:
11.4 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
18.1 days - Average sunshine days in June:
18.6 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
24.3 days - Average sunshine days in September:
20.3 days - Average sunshine days in October:
17 days - Average sunshine days in November:
13.4 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).
Average UV index
Tillamook, OR
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
Tillamook, OR
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Tillamook, OR
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
