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
River Oaks, California, in May witnesses an average high-temperature of a still pleasant 72.3°F (22.4°C), indicating a slight variation from April's 68°F (20°C). In May, River Oaks experiences a significant drop from daily zeniths to an average nighttime temperature of 46°F (7.8°C).Humidity
The average relative humidity in May in River Oaks is 67%.Rainfall
In May, the rain falls for 2.9 days. Throughout May, 0.2" (5mm) of precipitation is accumulated. In River Oaks, during the entire year, the rain falls for 50.5 days and collects up to 5.43" (138mm) of precipitation.Daylight
In River Oaks, the average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:55 pm. On the last day of May, in River Oaks, sunrise is at 5:48 am and sunset at 8:19 pm PDT.
Sunshine
In River Oaks, the average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in River Oaks?
What is the average humidity in May in River Oaks?
How many days does it rain in May in River Oaks?
How many hours of daylight does River Oaks have in May?
What time are sunrise and sunset in May in River Oaks?
How long on average sun shines in May in River Oaks?
What is the UV index reading in May in River Oaks?
Average temperature in May
River Oaks, CA
- Average high temperature in May: 72.3°F
The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is August (54.3°F).
The coldest months (with the lowest average low temperature) are February, March and December (40.6°F).
Average pressure in May
River Oaks, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
River Oaks, CA
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity in May
River Oaks, CA
- Average humidity in May: 67%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (58%).
Average rainfall in May
River Oaks, CA
- Average rainfall in May: 0.2"
The wettest month (with the highest rainfall) is December (1.02").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in May
River Oaks, CA
- Average rainfall days in May: 2.9 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.5 days).
Average daylight in May /
Average sunshine in May
River Oaks, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
River Oaks, CA
- Average sunshine days in May: 27 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in May
River Oaks, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
River Oaks, CA
- Average cloud cover in May: 22
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in May
River Oaks, 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).
River Oaks, California, USA
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