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
The arrival of May records an average high-temperature of an agreeable 69.3°F (20.7°C), closely related to the 66.2°F (19°C) observed in April. Throughout May, Mountain View's nights cool down to an average of 49.5°F (9.7°C).Humidity
In Mountain View, the average relative humidity in May is 68%.Rainfall
In Mountain View, during May, the rain falls for 3.6 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, there are 53.1 rainfall days, and 4.41" (112mm) of precipitation is accumulated.Daylight
The average length of the day in May is 14h and 12min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:23 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mountain View in May?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Mountain View have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Mountain View?
Average temperature in May
Mountain View, CA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure in May
Mountain View, 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
Mountain View, CA
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).
Average humidity in May
Mountain View, CA
- Average humidity in May: 68%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July, September and October (63%).
Average rainfall in May
Mountain View, CA
- Average rainfall in May: 0.2"
The wettest months (with the highest rainfall) are February, March and December (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in May
Mountain View, CA
- Average rainfall days in May: 3.6 days
The month with the highest number of rainy days is March (10 days).
The month with the least rainy days is August (0.4 days).
Average daylight in May /
Average sunshine in May
Mountain View, 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: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in May
Mountain View, CA
- Average sunshine days in May: 25.8 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is March (19.4 days).
Average UV index in May
Mountain View, CA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Mountain View, 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 7).
Average visibility in May
Mountain View, 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).
Mountain View, California, USA
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