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 snowfall 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
Rancho Cucamonga's weather in May displays an average high-temperature of a warm 76.6°F (24.8°C), showing minor disparity from April's 72.9°F (22.7°C). In Rancho Cucamonga, a significant divergence from daytime highs is recorded, with average lows of 53.6°F (12°C) during May nights.Humidity
February, March and May, with an average relative humidity of 53%, are the most humid months in Rancho Cucamonga.Rainfall
In Rancho Cucamonga, during May, the rain falls for 3.2 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Rancho Cucamonga, during the entire year, the rain falls for 42.3 days and collects up to 4.53" (115mm) of precipitation.Snowfall
In Rancho Cucamonga, California, snow does not fall in January, March through December.Daylight
The average length of the day in May in Rancho Cucamonga is 13h and 57min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:34 pm. On the last day of May, in Rancho Cucamonga, California, sunrise is at 5:39 am and sunset at 7:56 pm PDT.
Sunshine
In May, the average sunshine in Rancho Cucamonga is 11.8h.UV index
In Rancho Cucamonga, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the average May temperature in Rancho Cucamonga?
What is the most humid month in Rancho Cucamonga?
What is the average humidity in May in Rancho Cucamonga?
How many days does it rain in May in Rancho Cucamonga?
When it does not snow in Rancho Cucamonga?
What is the average length of the day in May in Rancho Cucamonga?
When are sunrise and sunset in May in Rancho Cucamonga?
How many hours of sunshine does Rancho Cucamonga have in May?
What is the UV index reading in May in Rancho Cucamonga?
Average temperature in May
Rancho Cucamonga, CA
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).
Average pressure in May
Rancho Cucamonga, CA
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Rancho Cucamonga, CA
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in May
Rancho Cucamonga, CA
- Average humidity in May: 53%
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Rancho Cucamonga, CA
- Average rainfall in May: 0.2"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Rancho Cucamonga, CA
- Average rainfall days in May: 3.2 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in May
Rancho Cucamonga, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Rancho Cucamonga, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 5min
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 54min).
Average sunshine days in May
Rancho Cucamonga, CA
- Average sunshine days in May: 26.2 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in May
Rancho Cucamonga, CA
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Rancho Cucamonga, CA
- Average cloud cover in May: 12
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Rancho Cucamonga, 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).
Rancho Cucamonga, California, USA
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