May weather forecastFerndale, WA
May
Weather in May
May, the last month of the spring in Ferndale, is a comfortable month, with an average temperature ranging between min 45.7°F (7.6°C) and max 61.5°F (16.4°C).Temperature
May brings a slight rise in Ferndale's average high-temperature, moving from a fresh 54.1°F (12.3°C) in April to an enjoyable 61.5°F (16.4°C). In Ferndale, May nights cool down to an average of 45.7°F (7.6°C).Humidity
In May, the average relative humidity is 77%.Rainfall
In Ferndale, in May, during 12.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Ferndale, there are 178.6 rainfall days, and 37.32" (948mm) of precipitation is accumulated.Snowfall
In Ferndale, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 19min.On the first day of May, sunrise is at 5:48 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:05 pm PDT.
Sunshine
In May, the average sunshine in Ferndale, Washington, is 9.4h.UV index
In May, the average daily maximum UV index in Ferndale is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ferndale, WA
- Average high temperature in May: 61.5°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is February (35.2°F).
Average pressure in May
Ferndale, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in May
Ferndale, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Ferndale, WA
- Average humidity in May: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).
Average rainfall in May
Ferndale, WA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is November (5.71").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in May
Ferndale, WA
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is November (20.1 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in May
Ferndale, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Ferndale, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 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
Ferndale, 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 18min).
- Average sunshine in May: 9h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in May
Ferndale, WA
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in May
Ferndale, WA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Ferndale, WA
- Average cloud cover in May: 39
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Ferndale, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
