Climate and monthly weather forecast
McMinnville, OR

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The climate of McMinnville

McMinnville, Oregon is positioned in the USA and experiences a Mediterranian, warm summer climate. This particular weather condition is defined in the Köppen climate classification as Csb. Throughout the year, the climate presents a fascinating variety of temperatures, humidity levels, and rainfall amounts.

High temperatures in McMinnville range from a modest 46°F (7.8°C) in the early year months to a warm 81.1°F (27.3°C) in the summer, while low temperatures move between 34.3°F (1.3°C) in the wintry weather and 54.3°F (12.4°C) in mid-summer. This range continues in the humidity levels, which shift from an average of 67% in the sunny days of summer to the high 80s in the cooler seasons. These variances in temperature and humidity result in an interesting shift in weather patterns throughout the year.

A remarkable trend in the weather conditions is the pattern of rainfall and snowfall. Rainfall measurements exhibit a tendency towards higher amounts in the winter season with up to 4.49" (114mm) and lessen during summer with as low as 0.35" (9mm). Snowfall in McMinnville, while not a frequent occurrence, is periodically recorded from November to March, with amounts usually under 1 inch. An intriguing contrast can be found in the rates of daylight and sunshine hours, which are highest during the summer and decline as the year progresses, reaching their lowest values in winter.

The Best Time to Visit McMinnville

For visitors who prefer moderate temperature and lesser rain, the ideal time to explore McMinnville would be from late spring through to mid-fall. More specifically, May, with a high temperature averaging at 66°F (18.9°C), through to September, averaging at 73.4°F (23°C). These months fare low on rain averages, with May showing 1.65" (42mm) of rainfall and September reporting 1.42" (36mm), thereby offering ideal conditions to venture outdoors.

The Worst Time to Visit McMinnville

Weather-wise, the more challenging months in McMinnville would likely be December and January. With temperature ranges from 35.1°F (1.7°C) to 47.8°F (8.8°C), increased rainfall amounts of 4.49" (114mm) and 4.41" (112mm) respectively, and shorter daylight hours, these winter months may pose unfavorable conditions for outdoor activities.

Spring Weather in McMinnville

Spring in McMinnville ushers in a notable transition in the climatic conditions. Typically, March marks the end of the wintry chill, seeing temperatures rise to 51.6°F (10.9°C), then steadily increase to 66°F (18.9°C) by May. This season is also characterized by declining rainfall amounts from 3.43" (87mm) in March to 1.65" (42mm) by May, leading to more frequent sunny days.

Summer Weather in McMinnville

Summer months in McMinnville are relatively warm, with temperatures peaking at 81.1°F (27.3°C) in August. This season also yields the least amount of rainfall, dropping to as low as 0.35" (9mm). Humidity levels are at their lowest during this period, falling to 67% in August, creating a comfortable atmosphere for outdoor activities.

Autumn Weather in McMinnville

Autumn in McMinnville indicates a slow descent into the cooler weather. Temperatures start to slide from 73.4°F (23°C) in September to 50.5°F (10.3°C) by November. Correspondingly, humidity is on the rise and rainfall does increase, with November seeing noticeably more rain at 3.15" (80mm).

Winter Weather in McMinnville

Winter brings the year to a chill conclusion with temperatures reaching a low of 34.3°F (1.3°C) in December and hovering around 35.1°F (1.7°C) in January. Rain levels peak during this season at 4.49" (114mm) in December. Despite the cold and wet conditions, the chance of seeing snow is relatively small, with less than 1 inch of snowfall expected, primarily in February.

Weather in January

January marks the commencement of the year with chilly temperatures in McMinnville. The temperatures are lodged carefully between 35.1°F (1.7°C) and 46°F (7.8°C). Rainfall is frequently observed throughout the month significantly impacting the relative humidity, standing at 86%. Weather in January »

Weather in February

February doesn’t bring substantial changes, maintaining a continuity of January's weather in McMinnville, Oregon. The temperatures experience a slight elevation from 35.1°F (1.7°C) to 47.8°F (8.8°C). The daylight hours start to stretch out. Weather in February »

Weather in March

As spring starts to settle in March, noticeable changes in weather is observed in McMinnville. The temperature range fluctuates from 37°F (2.8°C) to 51.6°F (10.9°C). An increase in daylight hours allows the sun to peek through the largely cloudy skies. Weather in March »

Weather in April

April brings moderate atmospheric conditions in McMinnville, as spring enhances its grip. The temperature begins to climb, ranging from 38.8°F (3.8°C) to 57.7°F (14.3°C). The increase in temperature begins to lower the relative humidity. Weather in April »

Weather in May

May ushers in the real semblance of spring, transcending the weather in McMinnville towards warmth. The temperature brackets widen and shift from 43.3°F (6.3°C) to 66°F (18.9°C). Rainfall significantly decreases, opening the skies for more sunshine. Weather in May »

Weather in June

June announces the arrival of summer in McMinnville with a distinctive warmth in the air. An evident increase in the city’s temperature is noticed, spanning from 47.8°F (8.8°C) to 71.2°F (21.8°C). The humidity levels drop allowing for clear skies to dominate over the cloudy ones. Weather in June »

Weather in July

As the middle of the year approaches, July showcases peak summer conditions in McMinnville. Lasting heat of the sun brings the temperature spectrum between 52.3°F (11.3°C) and 79.2°F (26.2°C). This month experiences the least amount of rainfall, so visitors can expect dry and sunny days. Weather in July »

Weather in August

Continuing the trend of the summer season, August presents the hottest stretch of the year for McMinnville. Climbing to the highest, the temperature spectrum reads from 54.3°F (12.4°C) to 81.1°F (27.3°C). Even with a dip in rain showers, it's the perfect time for water-related fun due to the high temperatures. Weather in August »

Weather in September

September signals the arrival of autumn in McMinnville, where the temperatures range from 50.5°F (10.3°C) to 73.4°F (23°C). Rainfall begins to increase, indicating the end of summer. Despite shorter days, the city still basks in a decent amount of sunshine. Weather in September »

Weather in October

October brings a moderate climate to McMinnville, with temperatures gradually decreasing from 45°F (7.2°C) to 61.2°F (16.2°C). The rainfall remains consistent, contributing to the wet and dew-filled surroundings typical of the fall season. Weather in October »

Weather in November

November introduces an evident chill to the McMinnville air, with temperatures diving into the spectrum of 39.4°F (4.1°C) to 50.5°F (10.3°C). Rainfall slightly increases, further bringing down the overall atmosphere's temperature. Weather in November »

Weather in December

December wraps up the year with a return of freezing temperatures in McMinnville. The mercury plunges deep into the chills, with temperatures lying between 34.3°F (1.3°C) and 44.1°F (6.7°C). A slight surge in rainfall combined with a meager snowfall reinstates the strong winter feel. Weather in December »

Frequently asked questions

How many days does it rain?

In McMinnville, during the entire year, the rain falls for 172.2 days and collects up to 28.9" (734mm) of precipitation.

When does it snow?

January through March, November and December are months with snowfall.

How many days does it snow?

In McMinnville, during the entire year, snow falls for 5.3 days and aggregates up to 3.19" (81mm) of snow.

When is the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 87%.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 2 days and accumulates 1.38" (35mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 3.9h of sunshine.

When is Daylight Saving Time (DST)?

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?

April through October are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 36min of daylight.

What is the driest month?

July and August are months with the least rain when the rain falls for 4.8 days and typically aggregates up to 0.35" (9mm) of rain.

What is the month with the highest UV index?

With an average maximum UV index of 6, July is the month with the highest UV index.

What time of the year is the hottest?

McMinnville, Oregon, registers the average highest temperatures during August, with peaks of 81.1°F (27.3°C) and lows of 54.3°F (12.4°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 67%.

What month has the most sunshine?

With an average of 10.8h of sunshine, August has the most sunshine of the year.

What time of the year is the coldest in McMinnville?

In McMinnville, the lowest temperatures are generally noted in December, averaging a high of 44.1°F (6.7°C) and a low of 34.3°F (1.3°C).

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 19.3 days and typically aggregates up to 4.49" (114mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

Average temperature
McMinnville, OR

Average temperature - McMinnville, OR

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.1°F).

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).

Average pressure
McMinnville, OR

Average pressure - McMinnville, OR

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed
McMinnville, OR

Average wind speed - McMinnville, OR

The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity
McMinnville, OR

Average humidity - McMinnville, OR

The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (67%).

Average rainfall
McMinnville, OR

Average rainfall - McMinnville, OR

The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.35").

Average rainfall days
McMinnville, OR

Average rainfall days - McMinnville, OR

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.6 days).

Average snowfall
McMinnville, OR

Average snowfall - McMinnville, OR

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
McMinnville, OR

Average snowfall days - McMinnville, OR

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
McMinnville, OR

Average daylight / Average sunshine - McMinnville, OR

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).

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days
McMinnville, OR

Average sunshine days - McMinnville, OR

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.4 days).

Average UV index
McMinnville, OR

Average UV index - McMinnville, OR

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
McMinnville, OR

Average visibility - McMinnville, OR

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).

McMinnville, Oregon, USA

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