May weather forecast
Kittitas, WA

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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).

Temperature

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). Kittitas undergoes a major shift from daytime highs, averaging a chilly 43.3°F (6.3°C) during the night in May.

Humidity

The average relative humidity in May is 58%.

Rainfall

In May, in Kittitas, Washington, the rain falls for 9.6 days. Throughout May, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Kittitas, there are 99.9 rainfall days, and 8.66" (220mm) of precipitation is accumulated.

Snowfall

May through August are months without snowfall in Kittitas.

Daylight

In May, the average length of the day in Kittitas is 15h and 5min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:48 pm PDT.

Sunshine

In May, the average sunshine in Kittitas, Washington, is 11h.

UV index

In May, the average daily maximum UV index in Kittitas is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 during May translates into the following guidance:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Kittitas?

The high-temperature, in May, in Kittitas, is 64.9°F (18.3°C), while the low-temperature averages to 43.3°F (6.3°C).

What is the average humidity in May in Kittitas?

In May, the average relative humidity in Kittitas is 58%.

How much does it rain in Kittitas in May?

In Kittitas, Washington, during May, the rain falls for 9.6 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in Kittitas?

May through August are months without snowfall in Kittitas.

Does it snow in Kittitas in May?

In May, in Kittitas, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Kittitas have in May?

In Kittitas, the average day length in May is 15h and 5min.

What time are sunrise and sunset in May in Kittitas?

On the first day of May in Kittitas, sunrise is at 5:44 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:48 pm PDT.

How long on average sun shines in May in Kittitas?

The average sunshine duration in May in Kittitas is 11h.

What is the UV index intensity in May in Kittitas?

In May, the average daily maximum UV index in Kittitas is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Kittitas, WA

Average temperature in May - Kittitas, WA
  • Average high temperature in May: 64.9°F

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).

  • Average low temperature in May: 43.3°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 in May
Kittitas, WA

Average pressure in May - Kittitas, WA
  • Average pressure in May: 29.97"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 in May
Kittitas, WA

Average wind speed in May - Kittitas, WA
  • Average wind speed in May: 7.7mph

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 in May
Kittitas, WA

Average humidity in May - Kittitas, WA
  • Average humidity in May: 58%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).

Average rainfall in May
Kittitas, WA

Average rainfall in May - Kittitas, WA
  • Average rainfall in May: 0.91"

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 in May
Kittitas, WA

Average rainfall days in May - Kittitas, WA
  • Average rainfall days in May: 9.6 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 in May
Kittitas, WA

Average snowfall in May - Kittitas, WA
  • Average snowfall in May: 0"

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 in May
Kittitas, WA

Average snowfall days in May - Kittitas, WA
  • Average snowfall days in May: 0 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 in May /
Average sunshine in May
Kittitas, WA

Average daylight in May / Average sunshine in May - Kittitas, WA
  • Average daylight in May: 15h and 1min

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 May: 11h and 0min

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 in May
Kittitas, WA

Average sunshine days in May - Kittitas, WA
  • Average sunshine days in May: 19.6 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 in May
Kittitas, WA

Average UV index in May - Kittitas, WA
  • Average UV index in May: 4

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 in May
Kittitas, WA

Average cloud cover in May - Kittitas, WA
  • Average cloud cover in May: 26

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 in May
Kittitas, WA

Average visibility in May - Kittitas, WA
  • Average visibility in May: 6mi

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).

Kittitas, Washington, USA

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