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
Sunnyside's May weather shows an increase in high-temperatures, moving from April's mild 60.4°F (15.8°C) to an agreeable 70.3°F (21.3°C). A stark contrast in day to night temperatures can be seen in Sunnyside, Washington, in May, with an average low-temperature of 48.7°F (9.3°C).Humidity
In May, the average relative humidity is 50%.Rainfall
May is the month with the most rainfall. Rain falls for 10.3 days and accumulates 1.1" (28mm) of precipitation.Snowfall
April through August and October are months without snowfall in Sunnyside.Daylight
In May, the average length of the day in Sunnyside is 15h and 1min.On the first day of May, sunrise is at 5:44 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:44 pm PDT.
Sunshine
The average sunshine in May is 10.7h.UV index
In Sunnyside, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the temperature in May in Sunnyside?
What is the average humidity in May in Sunnyside?
What is the wettest month in Sunnyside?
How much does it rain in Sunnyside in May?
When it does not snow in Sunnyside?
How many hours of daylight does Sunnyside have in May?
When are sunrise and sunset in May in Sunnyside?
How many hours of sunshine does Sunnyside have in May?
How high is the UV index in May in Sunnyside?
Average temperature in May
Sunnyside, WA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (25.3°F).
Average pressure in May
Sunnyside, WA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in May
Sunnyside, WA
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is December (5mph).
Average humidity in May
Sunnyside, WA
- Average humidity in May: 50%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in May
Sunnyside, WA
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Sunnyside, WA
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in May
Sunnyside, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Sunnyside, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5 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
Sunnyside, 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: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Sunnyside, WA
- Average sunshine days in May: 18.7 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is March (15.4 days).
Average UV index in May
Sunnyside, WA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Sunnyside, WA
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in May
Sunnyside, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Sunnyside, Washington, USA
Weather forecast for your location
2. Allow the app to use your location
