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 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
The average high-temperature for May is a still comfortable 66.7°F (19.3°C), closely aligning with the temperature of the preceding month. Throughout May, the nighttime temperature averages to a chilly 48°F (8.9°C).Humidity
The average relative humidity in May in Spreckels is 73%.Rainfall
In Spreckels, during May, the rain falls for 3.5 days and regularly aggregates up to 0.24" (6mm) of precipitation. In Spreckels, California, during the entire year, the rain falls for 57.8 days and collects up to 6.57" (167mm) of precipitation.Daylight
In Spreckels, the average length of the day in May is 14h and 8min.On the first day of May, sunrise is at 6:11 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:19 pm PDT.
Sunshine
In May, the average sunshine in Spreckels, California, is 11h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Take precautions - Protection against sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Spreckels?
What is the average humidity in May in Spreckels?
How many days does it rain in May in Spreckels?
How many hours of daylight does Spreckels have in May?
What time are sunrise and sunset in May in Spreckels?
How long on average sun shines in May in Spreckels?
How high is the UV index in May in Spreckels?
Average temperature in May
Spreckels, CA
- Average high temperature in May: 66.7°F
The warmest months (with the highest average high temperature) are August and September (76.1°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in May: 48°F
The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure in May
Spreckels, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in May
Spreckels, CA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in May
Spreckels, CA
- Average humidity in May: 73%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Spreckels, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is December (1.38").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in May
Spreckels, CA
- Average rainfall days in May: 3.5 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in May /
Average sunshine in May
Spreckels, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days in May
Spreckels, CA
- Average sunshine days in May: 25.8 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (19.2 days).
Average UV index in May
Spreckels, CA
- Average UV index in May: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Spreckels, CA
- Average cloud cover in May: 23
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Spreckels, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Spreckels, California, USA
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