Fontana
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Fontana Weather in May

May in Fontana averages 26°C (79°F) during the day and 12°C (54°F) at night. With only 7.8 mm (0.3 in) of rainfall expected on average, it's a largely dry month.

Rainfall in Fontana in May

Records from the past 30 years suggest around 2 days of rain, with 7.8 mm (0.3 in) average for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Fontana in May

Fontana has excellent weather in May, with days reaching 26°C (79°F) and nights cooling to 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Fontana in May

There are approximately 311 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, October and November typically offer the best weather for Fontana.

Fontana Temperature in May

Min Temperature
12°C (54°F)
Max Temperature
26°C (79°F)
Chance of Rain
7%
Precipitation
7.8 mm (0.3 in)
Rainy days
2 days
Sunshine
311 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (27 KM, 16 Miles).

Fontana Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Fontana - 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 Fontana in May

Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Fontana in May

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

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Fontana 3-Day Forecast

More climate data for Fontana

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.