Union City weather in May (California, United States of America)

Curious about the climate in Union City this May? Get all the weather information you need to plan your visit.

Temperatures

During May, Union City is known for its perfect weather, characterized by pleasant temperatures and low rainfall. During the daylight hours, temperatures often reach 21°C. After dark they usually decrease to around 11°C.

Precipitation

Union City in May usually receives low rainfall, averaging around 5.9 mm for the month. When we look at the climate data from the last 30 years, you can expect around 3 days of rain.

Average sunshine

The city usually sees around 324 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, May is a prime time to visit Union City. April, May, June, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Union City climate page with graphs.

 

Union City, monthly averages in May

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 9%  

Precipitation 5.9 mm  

Rainy days 3 days  

Humidity 72% *  

Sunshine 324 hours *  

Percentage Sunshine 73% *  

Data from: San Francisco, the United States of America (26 KM, 16 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Union City, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Union City.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.