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 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
Campbell in May witnesses an average high-temperature of an agreeable 69.6°F (20.9°C), indicating a slight variation from April's 66°F (18.9°C). Campbell experiences an average temperature drop to a chilly 48.4°F (9.1°C) during May nights.Humidity
The average relative humidity in May is 68%.Rainfall
In Campbell, in May, during 4.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 68.6 rainfall days, and 11.57" (294mm) of precipitation is accumulated.Daylight
The average length of the day in May is 14h and 11min.On the first day of May, sunrise is at 6:11 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:22 pm PDT.
Sunshine
The average sunshine in May is 11h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Campbell, CA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (56.7°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in May
Campbell, 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 and September (29.92"Hg).
Average wind speed in May
Campbell, CA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.5mph).
Average humidity in May
Campbell, CA
- Average humidity in May: 68%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (62%).
Average rainfall in May
Campbell, CA
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is February (2.2").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Campbell, CA
- Average rainfall days in May: 4.5 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.9 days).
Average daylight in May /
Average sunshine in May
Campbell, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Campbell, CA
- Average sunshine days in May: 25.3 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in May
Campbell, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Campbell, CA
- Average cloud cover in May: 22
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in May
Campbell, 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).
Campbell, California, USA
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