Climate and monthly weather forecast
Klamath Falls, OR

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Calm water on either side of a wavy road leading to the far seen hilly scape near the iconic Klamath Falls in Oregon
Calm water on either side of a wavy road leading to the far seen hilly scape near the iconic Klamath Falls in Oregon

The climate of Klamath Falls

Klamath Falls, nestled in the state of Oregon, USA, presents a diverse and unique weather profile that undoubtedly resonates with the Mediterranean, warm summer Köppen climate classification, commonly annotated as Csb. Positioned geographically with an altitude that amplifies its distinctive climatic conditions, it opens up a terrain presenting varying weather types throughout the annual cycle.

Breaking through the temperature fluctuation, one witnesses a dynamic range with the highest peak reaching 82°F (27.8°C) in July, drifting down to a lowly 25.2°F (-3.8°C) in the depths of December. The humidity follows a moderate motion, ranging from a high point of 84% in January to a comfortable 50% during July. An abundant configuration of daylight hours, from a modest 9.2 hours in December soaring to an impressive 15.2 hours in June, further delineates the ambience of this climatic zone.

Precipitation paves the way for certain uniqueness in Klamath Falls as variations persist throughout the year. Topping the scale in winter months, the snowfall reaches its peak at 10.63" (270mm) in December. Concurrently, rainfall oscillates between a surplus of 2.09" (53mm) in December and a spare quantity of 0.2" (5mm) in July. This distinctive weather pattern, marked by abundant snowfall in the winter months and sparse rainfall in the summer, contributes to the unique climate of Klamath Falls.

The best time to visit Klamath Falls

Drawing upon weather data, the best time to traverse the distinct beauty of Klamath Falls would be July. Possessing a warm climate with temperatures hitting a considerable high of 82°F (27.8°C) and a humidity index reducing to a comfortable 50%, the conditions are apt for exploring the scenic outdoors. Moreover, July secures an average of 14.9 hours of daylight and the highest UV index of 6, allowing tourists to revel in the most hours of exploration and adventure. Furthermore, rainfall is at its annual minimum with only about 0.2" (5mm), inviting dry and enjoyable days for visitors.

The worst time to visit Klamath Falls

Conversely, January proves stern in its conditions and claims the position of being the least suitable month for visitors. Profuse snowfall, peaking at 8.78" (223mm), coupled with a low temperature reaching a mere 25.7°F (-3.5°C), fosters an inhospitable environment. Moreover, in January, the region’s daylight hours plummet to a restrained 9.5 hours accompanied by a high humidity index of 84%. These conditions, combined with mediocre visibility of 5 miles, limit outdoor activities and significantly impact any touristic proceedings.

Spring weather in Klamath Falls

Spring, ranging from March to May, in Klamath Falls is a period of transition. A noticeable upswing in temperatures is observed, with highs oscillating between 44.6°F (7°C) and 61.7°F (16.5°C). Humidity begins to drop from 78% to less severe levels. Snowfall diminishes substantially, and rainfall commences an alternating motion, transitioning from 1.77" (45mm) in March to 1.34" (34mm) in May. This season beholds an average daily sunshine incrementing progressively from 7.8 hours to a significant 10.9 hours.

Summer weather in Klamath Falls

The summer season, extending from June to August, boasts a splendidly warm and dry climate. A consistent rise in temperatures is recorded, ranging from 70.5°F (21.4°C) to a pinnacle of 82°F (27.8°C). Humidity reduces to a yearly low of 49% and rainfall is restricted to a meager range of 0.2" (5mm) to 0.59" (15mm). Long sunlit days, peaking at 15.2 hours, accompanied by a steady sunlight duration of over 10 hours, permits a multitude of outdoor activities.

Autumn weather in Klamath Falls

Autumn, a period between September and November, presages a gradual drop in temperatures, from the high of 72.7°F (22.6°C) to a low of 46°F (7.8°C). Although rainfall experiences an increase towards the end of this season, transitioning from 0.43" (11mm) to a considerable 1.1" (28mm), it remains manageable for most visitors. With daylight hours imperceptibly transitioning downwards, the average daily sunshine continues to provide over 7 hours of light.

Winter weather in Klamath Falls

Winter, spreading from December to February, integrates a cold climate with temperatures nosediving to the range between 25.2°F (-3.8°C) to 38.7°F (3.7°C). Further intensifying the severity of this season, snowfall spikes, contributing a wide range from 6.97" (177mm) to 10.63" (270mm). Humidity is sustained at relatively high levels, reaching up to 83% in December. The daylight hours dwindle to an annual low, settling at approximately 9.5 hours in January, resulting in a relative lull in outdoor activities.

Weather in January

January in Klamath Falls, Oregon, is graced with the charm of winter, marked by the snowfall painting the town white. The finest snowflakes can be spotted, with the town experiencing the third-highest recorded snowfall of 8.78" (223mm). Weather in January »

Weather in February

In February, the weather in Klamath Falls takes a turn from the cold January, but the winter season persists. Characterized by a slight increase in temperatures, February also bears witness to a reduction in snowfall down to 8.07" (205mm), indicating the forthcoming spring season. Weather in February »

Weather in March

Buoyed by the arrival of March, Klamath Falls ushers in early signs of spring. The snowfall further dips to 6.97" (177mm), paving the way to warmer months. The town experiences a subtle change with increasing daylight hours, coupled with a corresponding decrease in humidity. Weather in March »

Weather in April

April marks a prominent weather shift in Klamath Falls, as the spring season sets in. The town records a substantial decrease in snowfall when compared to the previous months, registering a mere 2.72" (69mm). Increasing daylight hours accompany rising temperatures, facilitating more outdoor activities. Weather in April »

Weather in May

May ushers in a noticeable change in Klamath Falls' weather, wrapping the spring season and hinting at the onset of summer. The town witnesses a sporadic snowfall recorded at just 0.55" (14mm). May is hallmarked by considerable daylight hours, setting the stage for the subsequent sunny months. Weather in May »

Weather in June

In June, Klamath Falls, Oregon, experiences a warm start to summer as the town bathes in increased hours of sunshine. The temperature notably rises compared to May, and the meager rainfall of 0.59" (15mm) indicates the onset of the dry season. Weather in June »

Weather in July

July, being the peak of the summer season in Klamath Falls, is all about long sunny days and high temperatures. The city records its lowest rainfall in the year at 0.2" (5mm), pointing to a predominance of dry, sunny weather. Sporting abundant sunshine and long daylight hours, July is the perfect time for outdoor events and recreational activities. Weather in July »

Weather in August

The city of Klamath Falls continues to enjoy the summer dream in August. With the rainfall slightly increasing to 0.28" (7mm), the month offers a respite from July's intense heat. Despite being a summer month, August brings a gradual decrease in sunlight hours, hinting at the impending fall season. Weather in August »

Weather in September

September sees the initiation of the fall season in Klamath Falls, with a noticeable change in the weather pattern. The temperatures start to dip from the lofty heat of August, and the marginal increase in rainfall to 0.43" (11mm) sets the stage for the forthcoming winter. Weather in September »

Weather in October

October brings a palpable chill to the air in Klamath Falls, with the town transitioning fully into the fall season. Despite a decrease in temperatures from September, October sees a considerable jump in rainfall to 0.83" (21mm), marking a distinct shift towards cooler, moister weather. Weather in October »

Weather in November

November in Klamath Falls introduces the early onset of winter, with temperatures continuing to drop and snowfall making a comeback with 3.98" (101mm). The city also witnesses an increase in rainfall to 1.1" (28mm), creating a damp, chilly atmosphere. Weather in November »

Weather in December

December, the coldest month of the year in Klamath Falls, welcomes winter in full swing. The most profound celebration of winter is reflected in the highest snowfall of the year, marking 10.63" (270mm). The significant dip in temperatures from November and the reduced daylight hours further intensify the wintertime. Weather in December »
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

With an average relative humidity of 84%, January is the most humid month.

How many days does it rain?

Throughout the year, there are 100.4 rainfall days, and 13.15" (334mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Klamath Falls are January through June, September through December.

How much does it snow?

Throughout the year, there are 70.5 snowfall days, and 42.52" (1080mm) of snow is accumulated.

What is the month with the least sunshine in Klamath Falls?

With an average of 5.3h of sunshine, January has the least sunshine of the year.

When is the lowest UV index in Klamath Falls?

February is the month with the lowest UV index, with an average maximum UV index of 1.

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 are the longest days?

The month with the longest days is June, with an average of 15h and 12min of daylight.

What time of the year is the hottest?

July is the month when Klamath Falls's temperatures reach their peak, with averages of 82°F (27.8°C) and lows of 48.6°F (9.2°C).

What is the driest month?

The month with the least rainfall is July, when the rain falls for 4.3 days and typically collects 0.2" (5mm) of precipitation.

When it does not snow?

In Klamath Falls, snow does not fall in July and August.

What month has the most sunshine in Klamath Falls?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index in Klamath Falls?

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

What is the least humid month?

With an average relative humidity of 49%, August is the least humid month.

What is the coldest time of year?

Klamath Falls's coldest weather arrives in December, when temperatures average a high of 36.9°F (2.7°C) and a low of 25.2°F (-3.8°C).

What is the wettest month?

December is the month with the most rainfall. Rain falls for 8.4 days and accumulates 2.09" (53mm) of precipitation.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 13.5 days and typically aggregates up to 10.63" (270mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

Average temperature
Klamath Falls, OR

Average temperature - Klamath Falls, OR

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36.9°F).

The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).

Average pressure
Klamath Falls, OR

Average pressure - Klamath Falls, OR

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed
Klamath Falls, OR

Average wind speed - Klamath Falls, OR

The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

Average humidity
Klamath Falls, OR

Average humidity - Klamath Falls, OR

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (49%).

Average rainfall
Klamath Falls, OR

Average rainfall - Klamath Falls, OR

The wettest month (with the highest rainfall) is December (2.09").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days
Klamath Falls, OR

Average rainfall days - Klamath Falls, OR

The month with the highest number of rainy days is April (13.1 days).
The month with the least rainy days is August (3.6 days).

Average snowfall
Klamath Falls, OR

Average snowfall - Klamath Falls, OR

The month with the highest snowfall is December (10.63").
The months with the least snowfall are July and August (0").

Average snowfall days
Klamath Falls, OR

Average snowfall days - Klamath Falls, OR

The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine
Klamath Falls, OR

Average daylight / Average sunshine - Klamath Falls, OR

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days
Klamath Falls, OR

Average sunshine days - Klamath Falls, OR

The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is March (10.6 days).

Average visibility
Klamath Falls, OR

Average visibility - Klamath Falls, OR

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Klamath Falls, Oregon, USA

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