Union City Weather in May

With daytime temperatures of 22°C (72°F) and nighttime lows of 13°C (55°F), May in Union City brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 111 mm (4.4 in) falls on average.

Rainfall in Union City in May

Looking at the last 30 years, the data shows about 12 days with rain, averaging 111 mm (4.4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Union City in May

Expect highs of 22°C (72°F) in Union City in May, with nights dropping to around 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Union City in May

Expect a lot of sunshine this month, with about 258 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Union City in May

Average wind conditions reach 5 m/s (10 knots) in May. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in May

With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

For Union City itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.