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
Spring Valley's May reports an average high-temperature of a still agreeable 71.1°F (21.7°C), exhibiting a minor difference from April. In May, the recorded average low-temperature in Spring Valley is a fresh 54.5°F (12.5°C).Humidity
The most humid month is May, with an average relative humidity of 67%.Rainfall
In Spring Valley, during May, the rain falls for 3 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Spring Valley, there are 33 rainfall days, and 2.52" (64mm) of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 5:59 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:50 pm PDT.
Sunshine
In May, the average sunshine in Spring Valley is 10.7h.UV index
In May, the average daily maximum UV index in Spring Valley is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during May leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are May temperatures in Spring Valley?
What is the most humid month in Spring Valley?
What is the average humidity in May in Spring Valley?
How many days does it rain in May in Spring Valley?
What is the average length of the day in May in Spring Valley?
When are sunrise and sunset in May in Spring Valley?
How long on average sun shines in May in Spring Valley?
What is the UV index reading in May in Spring Valley?
Average temperature in May
Spring Valley, CA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in May
Spring Valley, CA
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Spring Valley, CA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in May
Spring Valley, CA
- Average humidity in May: 67%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).
Average rainfall in May
Spring Valley, CA
- Average rainfall in May: 0.2"
The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").
Average rainfall days in May
Spring Valley, CA
- Average rainfall days in May: 3 days
The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).
Average daylight in May /
Average sunshine in May
Spring Valley, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in May
Spring Valley, CA
- Average sunshine days in May: 26.3 days
The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).
Average UV index in May
Spring Valley, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Spring Valley, CA
- Average cloud cover in May: 22
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Spring Valley, 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).
Spring Valley, California, USA
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