Fontana, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Fontana now
Loading the National Weather Service forecast…
Fontana weather by the hour
Fontana weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Fontana.
This week in Fontana
Sunrise, sunset and moon in Fontana
What is the weather usually like in Fontana?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 94°F average high
- Decembercoldest month · 43°F average low
- 11.6 inprecipitation per year · 296 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Fontana: April–May and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ONTARIO INTL AP, CA US (USW00003102), adjusted for the elevation of Fontana.
Fontana weather month by month
Sunrise and sunset in Fontana through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:53 AM | 5:04 PM | 10 h 11 min |
| February | 6:32 AM | 5:35 PM | 11 h 2 min |
| March | 6:58 AM | 6:58 PM | 12 h 0 min |
| April | 6:16 AM | 7:22 PM | 13 h 5 min |
| May | 5:46 AM | 7:45 PM | 13 h 59 min |
| June | 5:36 AM | 8:04 PM | 14 h 27 min |
| July | 5:48 AM | 8:03 PM | 14 h 15 min |
| August | 6:10 AM | 7:38 PM | 13 h 27 min |
| September | 6:32 AM | 6:57 PM | 12 h 25 min |
| October | 6:54 AM | 6:17 PM | 11 h 22 min |
| November | 6:21 AM | 4:47 PM | 10 h 25 min |
| December | 6:46 AM | 4:43 PM | 9 h 56 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Fontana?
Fontana has a hot semi-arid climate. The warmest month is August, with an average high of 94°F (34°C), and the coldest is December, with average lows of 43°F (6°C).
It gets about 11.6 inches (296 mm) of precipitation a year. The wettest month is February and the driest is June.
The best time to visit Fontana is April–May and October–November. At 1,237 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Fontana
Weather in towns near Fontana
Questions about the weather in Fontana
What is the hottest month in Fontana?
August, with an average high of 94°F (34°C).
What is the coldest month in Fontana?
December, with an average low of 43°F (6°C).
How much does it rain in Fontana?
About 11.6 inches (296 mm) a year; the wettest month is February.
Does it snow in Fontana?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Fontana?
April–May and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Fontana have?
Hot semi-arid (Köppen BSh).
What is the weather like in Fontana in November?
Highs average 74°F and lows 48°F, with about 0.8 inches of precipitation.
What time is sunrise in Fontana?
Around 6:21 AM in mid-November, and sunset around 4:47 PM. Today’s exact times are shown above.
Where does this Fontana weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Fontana.
Last updated: