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
Ferndale indicates an average high-temperature of a comfortable 61.3°F (16.3°C) in May, showing minor variation from April's 57.4°F (14.1°C). Nighttime temperature in Ferndale, California, lowers to an average of 46.2°F (7.9°C) in May.Humidity
The average relative humidity in May is 80%.Rainfall
In Ferndale, in May, during 8.2 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 110.4 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Ferndale, California, the average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:41 pm PDT.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, a regular UV index of 4 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Ferndale, CA
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are February and December (53.1°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure in May
Ferndale, CA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Ferndale, CA
- Average wind speed in May: 7.7mph
The windiest months (with the highest average wind speed) are March and June (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Ferndale, CA
- Average humidity in May: 80%
The months with the highest relative humidity are February and March (82%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in May
Ferndale, CA
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is December (5.16").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in May
Ferndale, CA
- Average rainfall days in May: 8.2 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in May
Ferndale, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Ferndale, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Ferndale, CA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in May
Ferndale, CA
- Average sunshine days in May: 21.6 days
The month with the most sunshine days is July (28.1 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in May
Ferndale, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in May
Ferndale, CA
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Ferndale, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Ferndale, California, USA
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