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Climate in Spokane (Washington_state)


Average weather, temperature, rainfall, sunshine hours

Flag - United States

Spokane, where it's located


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Climate chart - Spokane
The climate of Spokane is slightly continental. Winters are cold, while summers are warm to hot during the day, but with cool nights.
The city is located in the north-west of the United States, in the eastern part of the state of Washington (therefore to the east of the Cascade Range, in the most continental and arid area of the state), and about 600 meters (2,000 ft) above sea level.

During the winter, sometimes as early as in mid-November, cold spells can occur, in which the temperature drops to -18 °C (0 °F) or below. The temperature dropped to -26.5 °C (-15.5 °F) in January 1979, to -23 °C (-9.5 °F) in January 2004 and to -25 °C (-13 °F) in December 1990. On average, 115 cm (45 in) of snow fall per year.

Summer is a dry and sunny season. The temperature range between night and day is high, so it can sometimes get very cool at night, but at other times it can reach 38/40 °C (100/104 °F) during the day. In June 2015, the temperature reached 42.2 °C (108 °F), while during the heat wave of late June 2021, it reached 45 °C (113 °F).

Spokane

Best Time


The best times to visit Spokane are spring and autumn, and in particular the months of May and September, to avoid both the winter cold and the summer heat.

Spokane - Climate data


In Spokane, the average temperature of the coldest month (December) is of -0.4 °C, that of the warmest month (July) is of 22 °C. Here are the average temperatures.
Spokane - Average temperatures (1991-2020)
Temperatures (°C)
MonthMinMaxMean
January-3.43.2-0.1
February-2.95.81.4
March-0.210.75.3
April2.615.38.9
May6.720.913.8
June10.224.317.3
July13.330.622
August12.530.121.3
September8.224.416.3
October3.315.79.5
November-0.77.33.3
December-3.52.7-0.4
Year3.9169.9

Precipitation amounts to 440 millimeters per year: it is therefore quite scarce. It ranges from 15 millimeters in the driest months (July, August, September) to 55 millimeters in the wettest one (December). Here is the average precipitation.
Spokane - Average precipitation
MonthRain (mm)Days
January5015
February3512
March4513
April4011
May4510
June409
July153
August153
September155
October3510
November5014
December5514
Year440119

There are on average around 2575 sunshine hours per year. Here are the average hours of sunshine per day.
Spokane - Sunshine hours
MonthAverageTotal
January2.580
February4120
March6.5200
April8240
May9.5295
June11325
July12.5380
August11340
September9270
October6190
November2.575
December260
Year7.12575

Spokane - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)


January is generally a very cold month. The average temperature is of -0.1 °C, with a minimum of -3.4 °C and a maximum of 3.2 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -13 °C. However, it dropped to -23.9 °C in January 1996.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 11 °C. However, it reached 15.5 °C in January 1995.
Rain iconPrecipitation amounts to 50 mm, distributed over 15 days.
The day lasts on average 8 hours and 55 minutes.
Sun iconThere are on average 2.5 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of 6.5 kph.


February is generally a cold month. The average temperature is of 1.4 °C, with a minimum of -2.9 °C and a maximum of 5.8 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -10.5 °C. However, it dropped to -23.9 °C in February 1996.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 12.5 °C. However, it reached 18.3 °C in February 1995.
Rain iconPrecipitation amounts to 35 mm, distributed over 12 days.
The day lasts on average 10 hours and 20 minutes.
Sun iconThere are on average 4 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of 7.2 kph.


March is generally a quite cold month. The average temperature is of 5.3 °C, with a minimum of -0.2 °C and a maximum of 10.7 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -7 °C. However, it dropped to -16.7 °C in March 2009.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 18.5 °C. However, it reached 23.3 °C in March 2015.
Rain iconPrecipitation amounts to 45 mm, distributed over 13 days.
The day lasts on average 12 hours and 0 minutes.
Sun iconThere are on average 6.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 67%.
The average wind speed is of 9.4 kph.


April is generally a mild month. The average temperature is of 8.9 °C, with a minimum of 2.6 °C and a maximum of 15.3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -2.5 °C. However, it dropped to -5 °C in April 1999.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 24.5 °C. However, it reached 30.6 °C in April 2016.
Rain iconPrecipitation amounts to 40 mm, distributed over 11 days.
The day lasts on average 13 hours and 40 minutes.
Sun iconThere are on average 8 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 59%.
The average wind speed is of 10 kph.


May is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 13.8 °C, with a minimum of 6.7 °C and a maximum of 20.9 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 0.5 °C. However, it dropped to -2.2 °C in May 2002.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 30 °C. However, it reached 34.4 °C in May 2006.
Rain iconPrecipitation amounts to 45 mm, distributed over 10 days.
The day lasts on average 15 hours and 10 minutes. So the days are long.
Sun iconThere are on average 9.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 54%.
The average wind speed is of 9.8 kph.


June is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 17.3 °C, with a minimum of 10.2 °C and a maximum of 24.3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 5.5 °C. However, it dropped to 2.8 °C in June 1991.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 33.5 °C. However, it reached 42.2 °C in June 2015.
Rain iconPrecipitation amounts to 40 mm, distributed over 9 days.
The day lasts on average 15 hours and 55 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
Sun iconThere are on average 11 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 53%.
The average wind speed is of 9.8 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 22 °C, with a minimum of 13.3 °C and a maximum of 30.6 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 8 °C. However, it dropped to 3.9 °C in July 1999.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 37.5 °C. However, it reached 40 °C in July 1994.
Rain iconPrecipitation amounts to 15 mm, distributed over 3 days.
The day lasts on average 15 hours and 30 minutes. So the days are long.
Sun iconThere are on average 12.5 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 43%.
The average wind speed is of 9.2 kph.


August is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 21.3 °C, with a minimum of 12.5 °C and a maximum of 30.1 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 7.5 °C. However, it dropped to 4.4 °C in August 1992.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 37 °C. However, it reached 41.7 °C in August 2018.
Rain iconPrecipitation amounts to 15 mm, distributed over 3 days.
The day lasts on average 14 hours and 10 minutes. So the days are long.
Sun iconThere are on average 11 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 42%.
The average wind speed is of 8.5 kph.


September is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 16.3 °C, with a minimum of 8.2 °C and a maximum of 24.4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 2.5 °C. However, it dropped to -3.3 °C in September 2000.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 33 °C. However, it reached 37 °C in September 1998.
Rain iconPrecipitation amounts to 15 mm, distributed over 5 days.
The day lasts on average 12 hours and 30 minutes.
Sun iconThere are on average 9 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 52%.
The average wind speed is of 7.7 kph.


October is generally a mild month. The average temperature is of 9.5 °C, with a minimum of 3.3 °C and a maximum of 15.7 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -4 °C. However, it dropped to -11.1 °C in October 2002.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 25.5 °C. However, it reached 33.3 °C in October 1992.
Rain iconPrecipitation amounts to 35 mm, distributed over 10 days.
The day lasts on average 10 hours and 50 minutes.
Sun iconThere are on average 6 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 67%.
The average wind speed is of 7.4 kph.


November is generally a cold month. The average temperature is of 3.3 °C, with a minimum of -0.7 °C and a maximum of 7.3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -8.5 °C. However, it dropped to -19 °C in November 2010.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 15 °C. However, it reached 21 °C in November 1999.
Rain iconPrecipitation amounts to 50 mm, distributed over 14 days.
The day lasts on average 9 hours and 20 minutes.
Sun iconThere are on average 2.5 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of 7.3 kph.


December, the coldest month of the year, is generally a very cold month. The average temperature is of -0.4 °C, with a minimum of -3.5 °C and a maximum of 2.7 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -11.5 °C. However, it dropped to -19.4 °C in December 2008.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 11 °C. However, it reached 17.2 °C in December 2014.
Rain iconPrecipitation amounts to 55 mm, distributed over 14 days.
The day lasts on average 8 hours and 30 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
Sun iconThere are on average 2 hours of sunshine per day. So, the sun shines 22% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of 6.6 kph.

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