May weather forecastRobinson Ranch, CA
May
Weather in May
The last month of the spring, May, is also an agreeable month in Robinson Ranch, California, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 55.6°F (13.1°C).Temperature
A minor adjustment in Robinson Ranch's average high-temperature is noted with the start of May, touching a still pleasant 70.2°F (21.2°C) from April's 68.5°F (20.3°C). Robinson Ranch temperatures generally rest at a low of 55.6°F (13.1°C) during the May nights.Humidity
May and June, with an average relative humidity of 70%, are the most humid months.Rainfall
In Robinson Ranch, California, in May, it is raining for 5.5 days, with typically 0.35" (9mm) of accumulated precipitation. In Robinson Ranch, during the entire year, the rain falls for 64.2 days and collects up to 5.79" (147mm) of precipitation.Daylight
In Robinson Ranch, California, the average length of the day in May is 13h and 55min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:33 pm. On the last day of May, sunrise is at 5:40 am and sunset at 7:55 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Robinson Ranch, CA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in May: 55.6°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in May
Robinson Ranch, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in May
Robinson Ranch, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Robinson Ranch, CA
- Average humidity in May: 70%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in May
Robinson Ranch, CA
- Average rainfall in May: 0.35"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Robinson Ranch, CA
- Average rainfall days in May: 5.5 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).
Average daylight in May /
Average sunshine in May
Robinson Ranch, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Robinson Ranch, CA
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in May
Robinson Ranch, 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, March, November and December (UV index 4).
Average cloud cover in May
Robinson Ranch, CA
- Average cloud cover in May: 23
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Robinson Ranch, 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).
