May weather forecastGlendora, CA
May
Weather in May
May, the last month of the spring in Glendora, is a warm month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 75.2°F (24°C).Temperature
Entering May, Glendora's average high-temperature reads a warm 75.2°F (24°C), indicating a close resemblance to the previous month's climate. An average minimum temperature of 54.1°F (12.3°C) marks the month of May in Glendora, California.Humidity
The months with the highest humidity in Glendora, California, are March and May, with an average relative humidity of 55%.Rainfall
In Glendora, during May, the rain falls for 2.8 days and regularly aggregates up to 0.24" (6mm) of precipitation. In Glendora, California, during the entire year, the rain falls for 44.9 days and collects up to 7.76" (197mm) of precipitation.Snowfall
In Glendora, snow does not fall in January, March through December.Daylight
In May, the average length of the day is 13h and 57min.On the first day of May, sunrise is at 6:01 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:57 pm PDT.
Sunshine
The average sunshine in May is 11.8h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glendora, CA
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (61.5°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in May
Glendora, CA
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Glendora, CA
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in May
Glendora, CA
- Average humidity in May: 55%
The months with the highest relative humidity are March and May (55%).
The months with the lowest relative humidity are August and November (45%).
Average rainfall in May
Glendora, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Glendora, CA
- Average rainfall days in May: 2.8 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.1 days).
Average snowfall days in May
Glendora, 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
Glendora, 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 48min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in May
Glendora, CA
- Average sunshine days in May: 27.3 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.6 days).
Average UV index in May
Glendora, CA
- Average UV index in May: 5
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
Glendora, CA
- Average cloud cover in May: 12
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in May
Glendora, 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).
