Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The start of May is characterized by an increase in the average high-temperature, transitioning from a refreshing 59.5°F (15.3°C) in April to a pleasant 69.6°F (20.9°C). Throughout May, the nighttime temperature in Harrah averages to a frosty 48.2°F (9°C).Humidity
In May, the average relative humidity in Harrah is 49%.Rainfall
In May, in Harrah, Washington, the rain falls for 8.1 days. Throughout May, 0.71" (18mm) of precipitation is accumulated. In Harrah, during the entire year, the rain falls for 78.5 days and collects up to 5.16" (131mm) of precipitation.Snowfall
In Harrah, Washington, snow does not fall in April through August and October.Daylight
The average length of the day in May is 15h and 1min.On the first day of May, sunrise is at 5:46 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:46 pm PDT.
Sunshine
In Harrah, the average sunshine in May is 11.4h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Harrah?
What is the average humidity in May in Harrah?
How many days does it rain in May in Harrah?
When it does not snow in Harrah?
What is the average length of the day in May in Harrah?
When is the sunrise / sunset in May in Harrah?
How many hours of sunshine does Harrah have in May?
What is the UV index reading in May in Harrah?
Average temperature in May
Harrah, WA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is August (61.2°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in May
Harrah, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Harrah, WA
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in May
Harrah, WA
- Average humidity in May: 49%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in May
Harrah, WA
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is January (0.83").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Harrah, WA
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is July (2.1 days).
Average snowfall in May
Harrah, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Harrah, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Harrah, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 11h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Harrah, WA
- Average sunshine days in May: 20.8 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (17.9 days).
Average UV index in May
Harrah, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Harrah, WA
- Average cloud cover in May: 22
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Harrah, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Harrah, Washington, USA
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