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Average weather, temperature, rainfall, sunshine hours

The climate of Klamath Falls is
semi-arid continental, with very cold winters and hot summers, and with strong temperature variations between night and day.
The city is located in southern
Oregon, at an altitude of 1,250 meters (4,100 ft), in the arid and continental area of the state, the one east of the Cascade Range.
In
winter, cold waves are possible, during which the temperature can drop to -20 °C (-4 °F) or even below. In 2013, it dropped to -29 °C (-20 °F). In one year, 93 cm (37 in) of snow fall.
In
summer there are strong temperature variations between night and day. At night, it can get cold even in the height of summer. However, on the hottest days of the year, the temperature can reach 36/38 °C (97/100 °F). At the end of June 2021, it reached 39.5 °C (103 °F).
Best Time
To visit Klamath Falls, you can choose the months of May and September. It is true that it rains a little more often than in summer (especially in May), and that it gets colder at night, but in this way, you can avoid the heat that can occur in summer. September is probably the best month.
Klamath Falls - Climate data
In Klamath Falls, the
average temperature of the coldest month (December) is of
-0.9 °C, that of the warmest month (July) is of
19.5 °C. Here are the average temperatures.
Klamath Falls - Average temperatures (1991-2020) |
Month | Min | Max | Mean |
---|
January | -5.8 | 5.3 | -0.3 |
---|
February | -4.7 | 7.9 | 1.6 |
---|
March | -3.1 | 11.3 | 4.1 |
---|
April | -1.6 | 14.3 | 6.4 |
---|
May | 2.3 | 19.6 | 10.9 |
---|
June | 5.2 | 24.6 | 14.9 |
---|
July | 8.8 | 30.2 | 19.5 |
---|
August | 8.1 | 29.3 | 18.7 |
---|
September | 3.9 | 25.3 | 14.6 |
---|
October | -0.7 | 17.9 | 8.6 |
---|
November | -3.9 | 9.5 | 2.8 |
---|
December | -6.3 | 4.6 | -0.9 |
---|
Year | 0.2 | 16.7 | 8.45 |
---|
Precipitation amounts to
285 millimeters per year: it is therefore scarce. It ranges from
5 millimeters in the driest months (July, August) to
45 millimeters in the wettest one (December). Here is the average precipitation.
Klamath Falls - Average precipitationMonth | Days |
---|
January | 40 | 11 |
---|
February | 30 | 9 |
---|
March | 25 | 11 |
---|
April | 25 | 9 |
---|
May | 25 | 8 |
---|
June | 15 | 5 |
---|
July | 5 | 2 |
---|
August | 5 | 2 |
---|
September | 10 | 3 |
---|
October | 20 | 6 |
---|
November | 35 | 10 |
---|
December | 45 | 12 |
---|
Year | 285 | 88 |
---|
Klamath Falls - Weather by month
Based on the period 1991-2020
January is generally a very cold month. The average temperature is of
-0.3 °C, with a minimum of
-5.8 °C and a maximum of
5.3 °C.

On the coldest nights of the month, the temperature usually drops to around
-15 °C. However, it dropped to
-28.3 °C in January 2017.

On the warmest days of the month, the temperature usually reaches around
11.5 °C. However, it reached
15 °C in January 2003.

Precipitation amounts to
40 mm, distributed over 11 days.
The day lasts on average 9 hours and 30 minutes.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
9.8 kph.
February is generally a cold month. The average temperature is of 1.6 °C, with a minimum of -4.7 °C and a maximum of 7.9 °C.
On the coldest nights of the month, the temperature usually drops to around -11.5 °C. However, it dropped to -20 °C in February 2011.
On the warmest days of the month, the temperature usually reaches around 14.5 °C. However, it reached 21.1 °C in February 1995.
Precipitation amounts to 30 mm, distributed over 9 days.
The day lasts on average 10 hours and 35 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of 11.4 kph.
March is generally a quite cold month. However, there are remarkable differences between night and day. The average temperature is of 4.1 °C, with a minimum of -3.1 °C and a maximum of 11.3 °C.
On the coldest nights of the month, the temperature usually drops to around -9 °C. However, it dropped to -17 °C in March 2012.
On the warmest days of the month, the temperature usually reaches around 19.5 °C. However, it reached 22.8 °C in March 2004.
Precipitation amounts to 25 mm, distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 66%.
The average wind speed is of 12.6 kph.
April is generally a quite cold month. However, there are remarkable differences between night and day. The average temperature is of 6.4 °C, with a minimum of -1.6 °C and a maximum of 14.3 °C.
On the coldest nights of the month, the temperature usually drops to around -7.5 °C. However, it dropped to -11.1 °C in April 2010.
On the warmest days of the month, the temperature usually reaches around 24 °C. However, it reached 27.8 °C in April 2009.
Precipitation amounts to 25 mm, distributed over 9 days.
The day lasts on average 13 hours and 25 minutes.
The average humidity is 60%.
The average wind speed is of 12.7 kph.
May is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 10.9 °C, with a minimum of 2.3 °C and a maximum of 19.6 °C.
On the coldest nights of the month, the temperature usually drops to around -4 °C. However, it dropped to -8.3 °C in May 2008.
On the warmest days of the month, the temperature usually reaches around 28.5 °C. However, it reached 32.8 °C in May 2008.
Precipitation amounts to 25 mm, distributed over 8 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
The average humidity is 55%.
The average wind speed is of 12.1 kph.
June is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 14.9 °C, with a minimum of 5.2 °C and a maximum of 24.6 °C.
On the coldest nights of the month, the temperature usually drops to around -1 °C. However, it dropped to -5 °C in June 2001.
On the warmest days of the month, the temperature usually reaches around 32.5 °C. However, it reached 36.7 °C in June 2015.
Precipitation amounts to 15 mm, distributed over 5 days.
The day lasts on average 15 hours and 10 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 50%.
The average wind speed is of 11.3 kph.
July, the warmest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 19.5 °C, with a minimum of 8.8 °C and a maximum of 30.2 °C.
On the coldest nights of the month, the temperature usually drops to around 3.5 °C. However, it dropped to 1 °C in July 1999.
On the warmest days of the month, the temperature usually reaches around 35.5 °C. However, it reached 38.3 °C in July 2013.
Precipitation amounts to only 5 mm, distributed over 2 days.
The day lasts on average 14 hours and 55 minutes. So the days are long.
The average humidity is 46%.
The average wind speed is of 9.6 kph.
August is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 18.7 °C, with a minimum of 8.1 °C and a maximum of 29.3 °C.
On the coldest nights of the month, the temperature usually drops to around 3 °C. However, it dropped to -1 °C in August 1999.
On the warmest days of the month, the temperature usually reaches around 35 °C. However, it reached 38 °C in August 1998.
Precipitation amounts to only 5 mm, distributed over 2 days.
The day lasts on average 13 hours and 50 minutes.
The average humidity is 46%.
The average wind speed is of 8.9 kph.
September is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 14.6 °C, with a minimum of 3.9 °C and a maximum of 25.3 °C.
On the coldest nights of the month, the temperature usually drops to around -1.5 °C. However, it dropped to -4.4 °C in September 2007.
On the warmest days of the month, the temperature usually reaches around 32 °C. However, it reached 38 °C in September 1998.
Precipitation amounts to 10 mm, distributed over 3 days.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 48%.
The average wind speed is of 8.6 kph.
October is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 8.6 °C, with a minimum of -0.7 °C and a maximum of 17.9 °C.
On the coldest nights of the month, the temperature usually drops to around -7 °C. However, it dropped to -13.3 °C in October 2002.
On the warmest days of the month, the temperature usually reaches around 26.5 °C. However, it reached 32 °C in October 1996.
Precipitation amounts to 20 mm, distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.
The average humidity is 59%.
The average wind speed is of 8.7 kph.
November is generally a cold month. However, there are remarkable differences between night and day. The average temperature is of 2.8 °C, with a minimum of -3.9 °C and a maximum of 9.5 °C.
On the coldest nights of the month, the temperature usually drops to around -12.5 °C. However, it dropped to -20 °C in November 2010.
On the warmest days of the month, the temperature usually reaches around 18.5 °C. However, it reached 22.2 °C in November 2020.
Precipitation amounts to 35 mm, distributed over 10 days.
The day lasts on average 9 hours and 50 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of 9.4 kph.
December, the coldest month of the year, is generally a very cold month. The average temperature is of -0.9 °C, with a minimum of -6.3 °C and a maximum of 4.6 °C.
On the coldest nights of the month, the temperature usually drops to around -14.5 °C. However, it dropped to -29 °C in December 2013.
On the warmest days of the month, the temperature usually reaches around 11.5 °C. However, it reached 21.1 °C in December 2014.
Precipitation amounts to 45 mm, distributed over 12 days.
The day lasts on average 9 hours and 5 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of 9.8 kph.