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
Sultan's May weather brings a rise in high-temperatures, moving from a cool 51.1°F (10.6°C) in April to a moderate 60.4°F (15.8°C). Throughout May, the temperature falls to an average low of 40.1°F (4.5°C).Humidity
In May, the average relative humidity in Sultan is 79%.Rainfall
In Sultan, in May, it is raining for 17 days, with typically 2.76" (70mm) of accumulated precipitation. In Sultan, during the entire year, the rain falls for 200.6 days and collects up to 51.65" (1312mm) of precipitation.Snowfall
In Sultan, snow does not fall in May through October.Daylight
In May, the average length of the day in Sultan is 15h and 11min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:20 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:57 pm PDT.
Sunshine
The average sunshine in May is 8.4h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Sultan in May?
What is the average humidity in May in Sultan?
How much does it rain in Sultan in May?
When it does not snow in Sultan?
Does it snow in Sultan in May?
How many hours of daylight does Sultan have in May?
When is the sunrise / sunset in May in Sultan?
How long on average sun shines in May in Sultan?
What is the UV index intensity in May in Sultan?
Average temperature in May
Sultan, WA
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in May: 40.1°F
The month with the highest average low temperature is August (48°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in May
Sultan, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in May
Sultan, WA
- Average wind speed in May: 3.4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in May
Sultan, WA
- Average humidity in May: 79%
The months with the highest relative humidity are January, February and March (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
Sultan, WA
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is January (7.8").
The driest month (with the least rainfall) is August (0.79").
Average rainfall days in May
Sultan, WA
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (7.9 days).
Average snowfall in May
Sultan, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sultan, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Sultan, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in May
Sultan, WA
- Average sunshine days in May: 11.1 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is March (7 days).
Average UV index in May
Sultan, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
Sultan, WA
- Average cloud cover in May: 49
The months with the most cloud cover are March and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Sultan, WA
- Average visibility in May: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Sultan, Washington, USA
Weather forecast for your location
2. Allow the app to use your location
