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
As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a moderate 56.1°F (13.4°C) to a still refreshing 65.1°F (18.4°C). In May, Hay's temperature tends to fall to an average low of 44.8°F (7.1°C) during the night.Humidity
In Hay, the average relative humidity in May is 64%.Rainfall
In Hay, during May, the rain falls for 11.6 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Hay, during the entire year, the rain falls for 122.8 days and collects up to 13.43" (341mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Hay aggregates 0.04" (1mm) of snow. Throughout the year, there are 32.7 snowfall days, and 16.77" (426mm) of snow is accumulated.Daylight
In Hay, Washington, the average length of the day in May is 15h and 3min.On the first day of the month, sunrise is at 5:35 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:01 am and sunset at 8:37 pm PDT.
Sunshine
The average sunshine in May is 10.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Hay have in May?
What is the UV index intensity in May?
Average temperature in May
Hay, WA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).
Average pressure in May
Hay, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Hay, WA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in May
Hay, WA
- Average humidity in May: 64%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Hay, WA
- Average rainfall in May: 1.26"
The wettest months (with the highest rainfall) are March and December (1.69").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Hay, WA
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in May
Hay, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Hay, WA
- Average snowfall days in May: 0.2 days
The months with the highest number of snowfall days are February and December (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hay, 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: 10h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Hay, WA
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in May
Hay, WA
- Average UV index in May: 4
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
Hay, WA
- Average cloud cover in May: 30
The months with the most cloud cover are January and February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Hay, WA
- 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).
Hay, Washington, USA
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