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Weather in Fontana for May 2025

Your guide to Fontana weather in May - trends and predictions
  • In general, the average temperature in Fontana at the beginning of May is 21.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.6 °F by the end of May.

  • With an average of 4 rainy days, Fontana experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.

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Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Fontana in May average weather

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Temperatures trend during May in Fontana

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Sunny
Sunny
23° /14° 0 mm 6
May 2 Sunny
Sunny
25° /15° 0 mm 7
May 3 Sunny
Sunny
24° /14° 0 mm 6
May 4 Sunny
Sunny
20° /13° 0.2 mm 6
May 5 Patchy rain possible
Patchy rain possible
15° /9° 3.7 mm 4
May 6 Sunny
Sunny
21° /10° 0 mm 6
May 7 Sunny
Sunny
23° /13° 0 mm 6
May 8 Sunny
Sunny
25° /13° 0 mm 7
May 9 Sunny
Sunny
27° /14° 0 mm 7
May 10 Sunny
Sunny
28° /15° 0 mm 7
May 11 Sunny
Sunny
27° /15° 0 mm 7
May 12 Sunny
Sunny
27° /16° 0 mm 7
May 13 Sunny
Sunny
26° /16° 0 mm 7
May 14 Sunny
Sunny
23° /14° 0 mm 6
May 15 Sunny
Sunny
23° /12° 0 mm 6
May 16 Partly cloudy
Partly cloudy
24° /13° 0 mm 6
May 17 Partly cloudy
Partly cloudy
24° /13° 0 mm 6
May 18 Sunny
Sunny
24° /13° 0 mm 6
May 19 Sunny
Sunny
23° /12° 0 mm 6
May 20 Cloudy
Cloudy
29° /15° 0 mm 6
May 21 Cloudy
Cloudy
29° /17° 0 mm 6
May 22 Sunny
Sunny
26° /15° 0 mm 7
May 23 Sunny
Sunny
24° /13° 0 mm 7
May 24 Patchy rain possible
Patchy rain possible
20° /12° 0.2 mm 5
May 25 Partly cloudy
Partly cloudy
21° /12° 0.1 mm 5
May 26 Partly cloudy
Partly cloudy
22° /11° 0.1 mm 6
May 27 Sunny
Sunny
25° /12° 0 mm 7
May 28 Partly cloudy
Partly cloudy
24° /13° 0 mm 7
May 29 Patchy rain possible
Patchy rain possible
24° /14° 0.4 mm 6
May 30 Patchy rain possible
Patchy rain possible
25° /14° 0.6 mm 6
May 31 Patchy rain possible
Patchy rain possible
24° /13° 0.3 mm 6
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Important Notice
Our weather forecast for Fontana in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fontana forecast closer to your planned date for the most up-to-date weather information.

Fontana in May - FAQ

What are the expected maximum and minimum temperatures in Fontana during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Fontana during May?
Rainfall in Fontana during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 4 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Fontana during May?
The average wind speed in Fontana during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is Fontana?

Get accurate weather forecasts for Fontana, located at latitude 34.092 and longitude -117.435. Stay updated with localized weather information tailored for Fontana.

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