Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Diamond Bar Weather in May
May in Diamond Bar brings high temperatures, with highs of 26°C (79°F) and nights dropping to 12°C (54°F). Rainfall is very low this month, averaging just 7.7 mm (0.3 in).
Rainfall in Diamond Bar in May
Based on our climate data of the past 30 years, about 2 days of rain are anticipated, with 7.7 mm (0.3 in) on average. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Diamond Bar in May
Diamond Bar in May is worth a visit. The temperature is excellent, with 26°C (79°F) during the day and 12°C (54°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Diamond Bar in May
Enjoy a sunny month with about 311 hours of sunshine, the clear skies make Diamond Bar even more beautiful.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Diamond Bar Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
26°C (79°F)
Chance of Rain
7%
Precipitation
7.7 mm (0.3 in)
Rainy days
2 days
Sunshine
311 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (28 KM, 17 Miles).
Diamond Bar Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Diamond Bar - and find the best time to visit.
Best Places 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. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Diamond Bar in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Diamond Bar in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Diamond Bar 3-Day Forecast
More climate data for Diamond Bar
See the full Diamond Bar climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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