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
May's arrival brings a change in high-temperatures, moving from a fresh 55°F (12.8°C) in April to a comfortable 64.4°F (18°C). In Steptoe, May's nights observe an average temperature dip to a chilly 43°F (6.1°C).Humidity
In Steptoe, the average relative humidity in May is 66%.Rainfall
In Steptoe, during May, the rain falls for 12.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 120.2 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Steptoe. May is the last month it regularly snows. During 0.3 snowfall days, in May, Steptoe aggregates 0.04" (1mm) of snow. Throughout the year, in Steptoe, there are 39.6 snowfall days, and 22.68" (576mm) of snow is accumulated.Daylight
In Steptoe, Washington, the average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 5:32 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:36 pm PDT.
Sunshine
The average sunshine in May in Steptoe is 10.4h.UV index
In Steptoe, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during May translates into the following guidance:
Undertake protective steps - Recommendations to avoid sunburn are issued. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Steptoe in May?
What is the average humidity in May in Steptoe?
How much does it rain in Steptoe in May?
What is the last month it snows in Steptoe?
How many hours of daylight does Steptoe have in May?
When is the sunrise / sunset in May in Steptoe?
How long on average sun shines in May in Steptoe?
How high is the UV index in May in Steptoe?
Average temperature in May
Steptoe, WA
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in May: 43°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).
Average pressure in May
Steptoe, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Steptoe, WA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Steptoe, WA
- Average humidity in May: 66%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Steptoe, WA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is December (1.93").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Steptoe, WA
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in May
Steptoe, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Steptoe, WA
- Average snowfall days in May: 0.3 days
The months with the highest number of snowfall days are February and December (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Steptoe, 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 2min
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 36min).
Average sunshine days in May
Steptoe, WA
- Average sunshine days in May: 16.1 days
The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in May
Steptoe, 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
Steptoe, WA
- Average cloud cover in May: 32
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in May
Steptoe, 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, February and December (5mi).
Steptoe, Washington, USA
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