Climate and monthly weather forecastMcKenna, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, in McKenna, Washington, is a frosty winter month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 45.1°F (7.3°C). McKenna starts January with an average high-temperature of a still chilly 45.1°F (7.3°C), a minor shift from December's 43°F (6.1°C). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in McKenna, Washington, with an average temperature fluctuating between 46.2°F (7.9°C) and 33.6°F (0.9°C). February notes an average high-temperature of a still frosty 46.2°F (7.9°C), subtly differing from January's 45.1°F (7.3°C). Weather in February »Weather in March
March, the first month of the spring in McKenna, is a fresh month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 50.7°F (10.4°C). The shift into March uncovers an average high-temperature of a fresh 50.7°F (10.4°C), subtly different from the previous month. Weather in March »Weather in April
April is a refreshing spring month in McKenna, Washington, with an average temperature ranging between max 56.3°F (13.5°C) and min 37.8°F (3.2°C). As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a fresh 50.7°F (10.4°C) to a moderate 56.3°F (13.5°C). Weather in April »Weather in May
May, the last month of the spring in McKenna, is an enjoyable month, with an average temperature varying between 41.9°F (5.5°C) and 64.9°F (18.3°C). McKenna's transition into May is noticed by a slight rise in the average high-temperature, advancing from a mild 56.3°F (13.5°C) in April to a still refreshing 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in McKenna, is a pleasant month, with an average temperature ranging between max 69.4°F (20.8°C) and min 44.6°F (7°C). With the onset of June, McKenna's average high-temperature clocks in at a pleasant 69.4°F (20.8°C), showing a minor fluctuation from the previous month. Weather in June »Weather in July
July is a warm summer month in McKenna, Washington, with an average temperature fluctuating between 77°F (25°C) and 49.1°F (9.5°C). As July arrives, McKenna's weather shows a minor increase in high-temperatures, edging from June's pleasant 69.4°F (20.8°C) to a warm 77°F (25°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in McKenna, Washington, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 50.5°F (10.3°C). August is the month when McKenna's temperatures reach their peak, with averages of 77.5°F (25.3°C) and lows of 50.5°F (10.3°C). Weather in August »Weather in September
September, the first month of the autumn in McKenna, is also an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 47.5°F (8.6°C). September sees a slight reduction in average high-temperature, with a shift from a warm 77.5°F (25.3°C) in August to an agreeable 70.3°F (21.3°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in McKenna, Washington, with an average temperature ranging between max 59.2°F (15.1°C) and min 42.4°F (5.8°C). October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 70.3°F (21.3°C) to a refreshing 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in McKenna, is also a frosty month, with an average temperature ranging between max 48.9°F (9.4°C) and min 37.8°F (3.2°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a mild 59.2°F (15.1°C) in October to a frosty 48.9°F (9.4°C). Weather in November »Weather in December
December, the first month of the winter in McKenna, is still a chilly month, with an average temperature varying between 43°F (6.1°C) and 32.9°F (0.5°C). With average high temperatures of 43°F (6.1°C) and lows of 32.9°F (0.5°C), December is the coldest month. Weather in December »Updated: Feb 14, 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
The months with the highest humidity are January, February, November and December, with an average relative humidity of 87%.
Throughout the year, in McKenna, Washington, there are 178.1 rainfall days, and 33.82" (859mm) of precipitation is accumulated.
January through April, November and December are months with snowfall in McKenna, Washington.
In McKenna, Washington, during the entire year, snow falls for 9 days and aggregates up to 6.38" (162mm) of snow.
January and December, with an average of 4h of sunshine, are months with the least sunshine in McKenna.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 3.2 days and accumulates 2.4" (61mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in McKenna, Washington, 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 McKenna, Washington, snow does not fall in May through October.
With an average of 15h and 48min of daylight, June has the longest days of the year.
The months with the highest UV index in McKenna, Washington, are June and July, with an average maximum UV index of 5.
With an average relative humidity of 70%, July is the least humid month.
July is the month with the least rainfall in McKenna. Rain falls for 6.4 days and accumulates 0.39" (10mm) of precipitation.
In McKenna, the average highest temperatures are observed in August, with a high of 77.5°F (25.3°C) and a low of 50.5°F (10.3°C).
With an average of 10.6h of sunshine, August has the most sunshine of the year in McKenna, Washington.
With average high and low temperatures of 43°F (6.1°C) and 32.9°F (0.5°C) respectively, December is McKenna's coldest month.
The month with the most rainfall is December, when the rain falls for 18.9 days and typically aggregates up to 5.28" (134mm) of precipitation.
The month with the shortest days in McKenna, Washington, is December, with an average of 8h and 36min of daylight.
Average temperature
McKenna, WA
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (43°F).
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure
McKenna, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
McKenna, WA
- Average wind speed in January:
4.9mph - Average wind speed in February:
4.8mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.1mph - Average wind speed in June:
4.1mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.6mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
McKenna, WA
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall
McKenna, WA
- Average rainfall in January:
4.92" - Average rainfall in February:
3.31" - Average rainfall in March:
3.58" - Average rainfall in April:
2.8" - Average rainfall in May:
1.93" - Average rainfall in June:
1.34"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.55" - Average rainfall in September:
1.54" - Average rainfall in October:
3.98" - Average rainfall in November:
4.21" - Average rainfall in December:
5.28"
The wettest month (with the highest rainfall) is December (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days
McKenna, WA
- Average rainfall days in January:
17.8 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.2 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
12.6 days
- Average rainfall days in July:
6.4 days - Average rainfall days in August:
5.3 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
16.3 days - Average rainfall days in November:
19.4 days - Average rainfall days in December:
18.9 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall
McKenna, WA
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
McKenna, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
2 days - Average snowfall days in April:
0.3 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:
0.5 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
McKenna, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 18min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days
McKenna, WA
- Average sunshine days in January:
11.1 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
15.5 days
- Average sunshine days in July:
22.8 days - Average sunshine days in August:
23.4 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
9.3 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is August (23.4 days).
The months with the least sunshine days are February and March (8.8 days).
Average UV index
McKenna, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
McKenna, WA
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
McKenna, WA
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
