May weather forecast
Washington, OK

Share

Weather in May

The last month of the spring, May, is a warm month in Washington, Oklahoma, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 77.7°F (25.4°C).

Temperature

Observing a slight rise in May, the average high-temperature shifts from April's pleasant 71.1°F (21.7°C) to a warm 77.7°F (25.4°C). In Washington, the expected average low-temperature for May is a refreshing 60.1°F (15.6°C).

Humidity

With an average relative humidity of 76%, May is the most humid month.

Rainfall

May is the month with the most rainfall in Washington. Rain falls for 13.5 days and accumulates 3.54" (90mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day in Washington is 14h and 1min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:15 pm. On the last day of May, in Washington, Oklahoma, sunrise is at 6:17 am and sunset at 8:38 pm CDT.

Sunshine

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

UV index

In Washington, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In May, the UV index of 6 transforms into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
[Resources]

Frequently asked questions

What are May temperatures in Washington?

The average high-temperature, in May, in Washington, is 77.7°F (25.4°C), while the average low-temperature is 60.1°F (15.6°C).

What is the most humid month in Washington?

The most humid month in Washington is May, with an average relative humidity of 76%.

What is the average humidity in May in Washington?

In Washington, the average relative humidity in May is 76%.

What is the wettest month in Washington?

The month with the most rainfall in Washington is May, when the rain falls for 13.5 days and typically aggregates up to 3.54" (90mm) of precipitation.

How many days does it rain in May in Washington?

In May, in Washington, Oklahoma, the rain falls for 13.5 days. Throughout May, 3.54" (90mm) of precipitation is accumulated.

When it does not snow in Washington?

May through October are months without snowfall in Washington, Oklahoma.

Does it snow in Washington in May?

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

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

In Washington, Oklahoma, the average day length in May is 14h and 1min.

What time are sunrise and sunset in May in Washington?

On the first day of May in Washington, Oklahoma, sunrise is at 6:38 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:38 pm CDT.

How many hours of sunshine does Washington have in May?

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

What is the UV index intensity in May in Washington?

In Washington, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Washington, OK

Average temperature in May - Washington, OK
  • Average high temperature in May: 77.7°F

The warmest months (with the highest average high temperature) are July and August (93°F).
The month with the lowest average high temperature is January (49.5°F).

  • Average low temperature in May: 60.1°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).

[Resources]

Average pressure in May
Washington, OK

Average pressure in May - Washington, OK
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed in May
Washington, OK

Average wind speed in May - Washington, OK
  • Average wind speed in May: 10.2mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

[Resources]

Average humidity in May
Washington, OK

Average humidity in May - Washington, OK
  • Average humidity in May: 76%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (60%).

[Resources]

Average rainfall in May
Washington, OK

Average rainfall in May - Washington, OK
  • Average rainfall in May: 3.54"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is November (0.98").

[Resources]

Average rainfall days in May
Washington, OK

Average rainfall days in May - Washington, OK
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (5.2 days).

[Resources]

Average snowfall in May
Washington, OK

Average snowfall in May - Washington, OK
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Washington, OK

Average snowfall days in May - Washington, OK
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Washington, OK

Average daylight in May / Average sunshine in May - Washington, OK
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

[Resources]

Average sunshine days in May
Washington, OK

Average sunshine days in May - Washington, OK
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (14.4 days).

[Resources]

Average UV index in May
Washington, OK

Average UV index in May - Washington, OK
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

[Resources]

Average cloud cover in May
Washington, OK

Average cloud cover in May - Washington, OK
  • Average cloud cover in May: 34

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).

[Resources]

Average visibility in May
Washington, OK

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

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

[Resources]

Washington, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location