May weather forecastCalpella, CA
May
Weather in May
May, the last month of the spring in Calpella, is an agreeable month, with an average temperature ranging between max 69.1°F (20.6°C) and min 45.1°F (7.3°C).Temperature
The average high-temperature mildly increases in May, edging from an enjoyable 63.1°F (17.3°C) in April to a pleasant 69.1°F (20.6°C). May in Calpella presents a pronounced difference from daytime highs, with a consistent average low-temperature of 45.1°F (7.3°C).Humidity
The average relative humidity in May is 69%.Rainfall
In Calpella, in May, it is raining for 5.7 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, in Calpella, there are 83.3 rainfall days, and 17.72" (450mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Calpella.Daylight
The average length of the day in May in Calpella is 14h and 21min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:06 pm. On the last day of May, in Calpella, sunrise is at 5:48 am and sunset at 8:32 pm PDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
The average daily maximum UV index in May in Calpella, California, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during May translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Calpella, CA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in May
Calpella, 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
Calpella, CA
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in May
Calpella, CA
- Average humidity in May: 69%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in May
Calpella, CA
- Average rainfall in May: 1.02"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Calpella, CA
- Average rainfall days in May: 5.7 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in May
Calpella, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Calpella, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 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
Calpella, CA
- Average daylight in May: 14h and 18min
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 30min).
- Average sunshine in May: 10h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Calpella, CA
- Average sunshine days in May: 23 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in May
Calpella, CA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in May
Calpella, CA
- Average cloud cover in May: 29
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Calpella, CA
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
