May weather forecastKettle Falls, WA
May
Weather in May
May, the last month of the spring in Kettle Falls, is a comfortable month, with an average temperature fluctuating between 38.1°F (3.4°C) and 64°F (17.8°C).Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from a fresh 51.6°F (10.9°C) to a comfortable 64°F (17.8°C). Kettle Falls registers a significant drop in temperature in May, with average nighttime lows of 38.1°F (3.4°C).Humidity
The average relative humidity in May is 65%.Rainfall
The month with the most rainfall in Kettle Falls is May, when the rain falls for 16.4 days and typically aggregates up to 1.93" (49mm) of precipitation.Snowfall
May through August are months without snowfall.Daylight
In May, the average length of the day is 15h and 17min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:07 pm. On the last day of May, sunrise is at 4:54 am and sunset at 8:45 pm PDT.
Sunshine
In Kettle Falls, the average sunshine in May is 10.7h.UV index
In Kettle Falls, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kettle Falls, WA
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in May: 38.1°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in May
Kettle Falls, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in May
Kettle Falls, WA
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in May
Kettle Falls, WA
- Average humidity in May: 65%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in May
Kettle Falls, WA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in May
Kettle Falls, WA
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Kettle Falls, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Kettle Falls, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Kettle Falls, WA
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Kettle Falls, WA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in May
Kettle Falls, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Kettle Falls, WA
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Kettle Falls, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





