May weather forecast and climate
Washington, KS

May, the last month of the spring, in Washington, is a pleasant month, with average temperature fluctuating between 54.1°F (12.3°C) and 72.1°F (22.3°C).

Temperature

In May, the average high-temperature marginally rises, from an enjoyable 63.5°F (17.5°C) in April, to an agreeable 72.1°F (22.3°C). The average low-temperature, in May, is 54.1°F (12.3°C).

Humidity

In Washington, the average relative humidity is 74%.

Rainfall

The month with the most rainfall is May when the rain falls for 17.6 days and typically aggregates up to 4.29" (109mm) of precipitation.

Snowfall

Months with snowfall in Washington are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, Washington aggregates 0.12" (3mm) of snow. Throughout the year, there are 23.6 snowfall days, and 8.46" (215mm) of snow is accumulated.

Daylight

In Washington, the average length of the day is 14.4h.

Sunshine

The average sunshine in May is 8.9h.

UV index

In May, the average daily maximum UV index in Washington, Kansas, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Washington?

The average high-temperature, in May, in Washington, is 72.1°F (22.3°C), while the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May in Washington?

In Washington, Kansas, the average relative humidity in May is 74%.

How many days does it rain in May in Washington?

In Washington, in May, during 17.6 rainfall days, 4.29" (109mm) of precipitation is typically accumulated.

What is the rainiest month in Washington?

The month with the most rainfall in Washington is May when the rain falls for 17.6 days and typically aggregates up to 4.29" (109mm) of precipitation.

What is the last month it snows in Washington?

May is the last month it regularly snows in Washington. During 0.1 snowfall days, in May, Washington aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Washington?

In Washington, the average length of the day in May is 14.4h.

How many hours of sunshine does Washington have in May?

In Washington, the average sunshine in May is 8.9h.

What is the UV index reading in May in Washington?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Washington, KS
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in May - Washington, KS
  • Average pressure in May: 29.91"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.85").

Average wind speed in May - Washington, KS
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in May - Washington, KS
  • Average humidity in May: 74%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (65%).

Average rainfall in May - Washington, KS
  • Average rainfall in May: 4.29"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in May - Washington, KS
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May - Washington, KS
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (2.52").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in May - Washington, KS
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (6.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Washington, KS
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is June (Average sunshine: 10.7h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

Average sunshine days in May - Washington, KS
  • Average sunshine days in May: 10.5 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in May - Washington, KS
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May - Washington, KS
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 43).
Months with the least cloud cover are June, July and August (Cloud cover 25).

Average visibility in May - Washington, KS
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).