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 perfect 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Fontana's climate page.
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
*
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
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Fontana's climate page.
See the full Fontana climate overview or explore weather in the United States of America.
