Climate and monthly weather forecastKittitas, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Kittitas, Washington, with an average temperature fluctuating between 22.6°F (-5.2°C) and 34.3°F (1.3°C). Kittitas notes an average high-temperature of a still wintry 34.3°F (1.3°C) in January, hardly diverging from December. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Kittitas, Washington, with an average temperature ranging between min 25.2°F (-3.8°C) and max 37.9°F (3.3°C). The advent of February denotes an average high-temperature of a still icy 37.9°F (3.3°C), subtly different from January's 34.3°F (1.3°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Kittitas, Washington, with an average temperature fluctuating between 45.1°F (7.3°C) and 30.6°F (-0.8°C). Kittitas's transition into March is noticed by a slight rise in the average high-temperature, advancing from a cold 37.9°F (3.3°C) in February to a chilly 45.1°F (7.3°C). Weather in March »Weather in April
April is a fresh spring month in Kittitas, Washington, with an average temperature varying between 54.5°F (12.5°C) and 36.1°F (2.3°C). Kittitas, Washington, in April experiences an increase in the average high-temperature, moving from March's frosty 45.1°F (7.3°C) to a cool 54.5°F (12.5°C). Weather in April »Weather in May
May, the last month of the spring in Kittitas, is an enjoyable month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 64.9°F (18.3°C). With the onset of May, Kittitas experiences a temperature shift, with the average high-temperature moving from a cool 54.5°F (12.5°C) in April to a refreshing 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Kittitas, Washington, with an average temperature fluctuating between 48.6°F (9.2°C) and 72°F (22.2°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's refreshing 64.9°F (18.3°C) to an agreeable 72°F (22.2°C). Weather in June »Weather in July
July in Kittitas, Washington, is a warm summer month, with an average temperature fluctuating between 54.9°F (12.7°C) and 82°F (27.8°C). July and August are known as Kittitas's warmest months, with an average high-temperature of 82°F (27.8°C). Throughout July, the heat index is estimated at 82.4°F (28°C). Weather in July »Weather in August
August, the last month of the summer in Kittitas, is another warm month, with an average temperature fluctuating between 55.2°F (12.9°C) and 82°F (27.8°C). July and August, with an average high-temperature of 82°F (27.8°C), are the warmest months. During August, the heat index is estimated at 82.4°F (28°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Kittitas, Washington, with an average temperature fluctuating between 49.1°F (9.5°C) and 71.1°F (21.7°C). During the transition into September, Kittitas observes a decrease in the average high-temperature, falling from a moderately hot 82°F (27.8°C) in August to a pleasant 71.1°F (21.7°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Kittitas, Washington, with an average temperature fluctuating between 39°F (3.9°C) and 56.3°F (13.5°C). As Kittitas transitions into October, the average high-temperature shows a marked reduction, decreasing from an agreeable 71.1°F (21.7°C) in September to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Kittitas, Washington, with an average temperature ranging between min 29.5°F (-1.4°C) and max 42.6°F (5.9°C). The average high-temperature drops in November, from October's mild 56.3°F (13.5°C) to a wintry 42.6°F (5.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Kittitas, Washington, with an average temperature varying between 33.3°F (0.7°C) and 21.4°F (-5.9°C). Temperature records mark December as the coldest month, with highs averaging 33.3°F (0.7°C) and lows at 21.4°F (-5.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Kittitas, WA
The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure
Kittitas, WA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed
Kittitas, WA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.1mph - Average wind speed in March:
6mph - Average wind speed in April:
7.4mph - Average wind speed in May:
7.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
8.8mph - Average wind speed in August:
8.3mph - Average wind speed in September:
6.9mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity
Kittitas, WA
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall
Kittitas, WA
- Average rainfall in January:
1.22" - Average rainfall in February:
0.91" - Average rainfall in March:
0.94" - Average rainfall in April:
0.55" - Average rainfall in May:
0.91" - Average rainfall in June:
0.39"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.24" - Average rainfall in September:
0.47" - Average rainfall in October:
0.79" - Average rainfall in November:
0.79" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Kittitas, WA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
10.9 days - Average rainfall days in May:
9.6 days - Average rainfall days in June:
5.4 days
- Average rainfall days in July:
2.9 days - Average rainfall days in August:
2.8 days - Average rainfall days in September:
6.1 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).
Average snowfall
Kittitas, WA
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days
Kittitas, WA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.2 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:
0.3 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8.7 days
The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Kittitas, 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 48min - Average sunshine in February:
5h and 30min - Average sunshine in March:
7h and 42min - Average sunshine in April:
10h and 24min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 42min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 0min - Average sunshine in December:
4h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days
Kittitas, WA
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
19.6 days - Average sunshine days in June:
23.3 days
- Average sunshine days in July:
27.1 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
22.8 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
14.9 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).
Average UV index
Kittitas, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Kittitas, WA
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Kittitas, WA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).





