May weather forecastRichvale, CA
May
Weather in May
The last month of the spring, May, is a moderately hot month in Richvale, California, with an average temperature fluctuating between 53.1°F (11.7°C) and 77.5°F (25.3°C).Temperature
Richvale perceives a slight temperature ascent during May, with average high-temperatures adjusting from an agreeable 68.9°F (20.5°C) in April to a moderately hot 77.5°F (25.3°C). Richvale logs a notable disparity from the daily highs during May, as the nighttime temperature lowers to an average of 53.1°F (11.7°C).Humidity
In May, the average relative humidity is 52%.Rainfall
In Richvale, during May, the rain falls for 5.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 80.4 rainfall days, and 24.21" (615mm) of precipitation is accumulated.Snowfall
In Richvale, California, snow does not fall in January through November.Daylight
In May, the average length of the day in Richvale is 14h and 22min.On the first day of May, sunrise is at 6:06 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:27 pm PDT.
Sunshine
In May, the average sunshine is 11.2h.UV index
In May, the average daily maximum UV index in Richvale is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Richvale, CA
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in May
Richvale, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Richvale, CA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).
Average humidity in May
Richvale, CA
- Average humidity in May: 52%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).
Average rainfall in May
Richvale, CA
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in May
Richvale, CA
- Average rainfall days in May: 5.9 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).
Average snowfall days in May
Richvale, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Richvale, CA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 11h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Richvale, CA
- Average sunshine days in May: 23.9 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).
Average UV index in May
Richvale, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Richvale, CA
- Average cloud cover in May: 20
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Richvale, 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).





