United StatesAverage weather for Mountain View in May
It's warm in May in Mountain View with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 28°C. At night, you can expect temperatures between 17°C and 21°C.
Start of May
The month of May starts in Mountain View with hot temps, averaging around 28°C during the day and nights around 20°C. There are plenty of days with a good chance of precipitation.
With the temperature difference between day and night, it’s smart to wear layers.
Mid May
By mid-May, daytime temps stay steady at around 28°C, with nights around 20°C. There’s a high chance of precipitation during this time.
Since it cools down at night, it’s a good idea to wear layers.
End of May
By the end of May, the average daytime temperature in Mountain View is around 28°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.
Because temperatures drop in the evening, wearing layers is recommended.
In May, there is an average of 394 mm of precipitation, spread over 20 days. The wind speed is around 3 Bft, mostly coming from the South.
Mountain View in May |
New York | ||
|---|---|---|---|
 Average temperature |
27°C | 22°C | |
 Max. temperature |
28°C | 28°C | |
| Min. temperature |
26°C | -5°C | |
 Total precipitation |
394 mm | 105 mm | |
| Rainy days |
20 days | 14 days | |
April
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Mountain View?
Looking for sun? May isn’t a good month to be in Mountain View. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 31°C in 2019, Mountain View reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 22°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 23°C.
Check out the climate of Mountain View for all months and discover the best travel time
Daily Temperature in May in Mountain View
This chart shows the average daily high and low temperatures in May for Mountain View, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Mountain View
The chart below shows the average daily precipitation in May for Mountain View, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 20 days of precipitation in Mountain View.
Daily UV index in May in Mountain View
This chart shows the average daily UV index in May in Mountain View, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Mountain View over the years
This chart shows the average temperature in May in Mountain View, measured in degrees Celsius, over the past few years.
Total precipitation in May in Mountain View over the years
This chart shows the average precipitation in May in Mountain View, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Mountain View
Click on any day in May to get detailed info about the usual weather on that day in Mountain View. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Mountain View
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Average weather in Mountain View by month
Click on a month below to see detailed weather info for Mountain View. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Mountain View for all months at once
