easeweather.com
Units
°C
°F
Fontana
Forecast Today Tomorrow
more
California United States
Fontana
AkronAlbuquerqueAlexandriaAnaheimAnchorageArlingtonAtlantaAtlantic CityAuroraAustinBaltimoreBaton RougeBirminghamBostonBrooklynBuffaloCape CoralCharlotteChattanoogaChicagoCincinnatiClevelandColorado SpringsColumbusCorpus ChristiDallasDaytonDenverDes MoinesDetroitEl PasoFayetteville
Fontana
Fort LauderdaleFort WayneFort WorthGatlinburgGrand RapidsHarrisburgHonoluluHoustonHuntsvilleIndianapolisJacksonJacksonvilleJamaicaJuneauKansas CityKey WestKnoxvilleLas VegasLexingtonLincolnLittle RockLong BeachLos AngelesLouisvilleMadisonManhattanMemphisMiamiMilwaukeeMinneapolisMobileMontgomeryNashvilleNew OrleansNew York CityNewarkNorfolkOklahoma CityOmahaOrlandoPhiladelphiaPhoenixPittsburghPortlandQueensRichmondRiversideSacramentoSalt Lake CitySan AntonioSan DiegoSan FranciscoSan JoseSavannahSeattleShreveportSpringfieldSt. LouisSt. PetersburgTallahasseeTampaToledoTulsaVancouverVirginia BeachWashingtonWichitaYonkers More Locations
United States weather

Weather in Fontana for January 2026

Your guide to Fontana weather in January - trends and predictions

    Temperatures

  • In general, the average temperature in Fontana at the beginning of January is 15.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 14.6 °F by the end of January.

    • Rain 🌧️

  • With an average of 5 rainy days, Fontana experiences minimal rainfall in January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/6°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
49 %
Avg humidity

Fontana Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
18°
2
Overcast
20°
3
Light rain shower
14°
4
Partly cloudy
16°
5
Partly cloudy
17°
6
Sunny
15°
7
Patchy rain possible
11°
8
Partly cloudy
12°
9
Sunny
16°
10
Sunny
14°
11
Patchy rain possible
13°
12
Sunny
13°
13
Sunny
13°
14
Sunny
14°
15
Overcast
15°
16
Sunny
18°
17
Partly cloudy
11°
18
Sunny
16°
19
Overcast
17°
20
Light drizzle
15°
21
Light rain shower
13°
22
Moderate rain
16°
23
Patchy rain possible
16°
24
Overcast
17°
25
Patchy rain possible
14°
26
Sunny
12°
27
Sunny
13°
28
Overcast
15°
29
Partly cloudy
16°
30
Overcast
15°
31
Partly cloudy
17°
Select a date

You can click on date

Access Fontana weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it
‹
›

Temperatures trend during January in Fontana

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
Jan. 1 Partly cloudy
Partly cloudy
 18° /7° 0 mm 5
Jan. 2 Overcast
Overcast
 20° /9° 0 mm 5
Jan. 3 Light rain shower
Light rain shower
 14° /9° 4.4 mm 4
Jan. 4 Partly cloudy
Partly cloudy
 16° /5° 0 mm 5
Jan. 5 Partly cloudy
Partly cloudy
 17° /7° 0 mm 5
Jan. 6 Sunny
Sunny
 15° /8° 0 mm 5
Jan. 7 Patchy rain possible
Patchy rain possible
 11° /5° 0.9 mm 3
Jan. 8 Partly cloudy
Partly cloudy
 12° /4° 0.1 mm 4
Jan. 9 Sunny
Sunny
 16° /7° 0 mm 5
Jan. 10 Sunny
Sunny
 14° /4° 0 mm 5
Jan. 11 Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 4
Jan. 12 Sunny
Sunny
 13° /3° 0 mm 4
Jan. 13 Sunny
Sunny
 13° /4° 0 mm 4
Jan. 14 Sunny
Sunny
 14° /4° 0 mm 5
Jan. 15 Overcast
Overcast
 15° /6° 0 mm 4
Jan. 16 Sunny
Sunny
 18° /6° 0 mm 5
Jan. 17 Partly cloudy
Partly cloudy
 11° /4° 0 mm 4
Jan. 18 Sunny
Sunny
 16° /6° 0 mm 5
Jan. 19 Overcast
Overcast
 17° /7° 0 mm 5
Jan. 20 Light drizzle
Light drizzle
 15° /5° 2.4 mm 4
Jan. 21 Light rain shower
Light rain shower
 13° /4° 5.8 mm 4
Jan. 22 Moderate rain
Moderate rain
 16° /7° 12 mm 4
Jan. 23 Patchy rain possible
Patchy rain possible
 16° /7° 0 mm 4
Jan. 24 Overcast
Overcast
 17° /5° 0 mm 5
Jan. 25 Patchy rain possible
Patchy rain possible
 14° /6° 0 mm 3
Jan. 26 Sunny
Sunny
 12° /5° 11.3 mm 4
Jan. 27 Sunny
Sunny
 13° /6° 18.6 mm 4
Jan. 28 Overcast
Overcast
 15° /8° 0 mm 4
Jan. 29 Partly cloudy
Partly cloudy
 16° /7° 0 mm 5
Jan. 30 Overcast
Overcast
 15° /8° 0 mm 4
Jan. 31 Partly cloudy
Partly cloudy
 17° /8° 0 mm 5
Next
Important Notice
Our weather forecast for Fontana in January 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 January - FAQ

What are the expected maximum and minimum temperatures in Fontana during January?
During January, expect a variety of temperatures with highs around 13° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fontana during January?
Moderate rainfall is anticipated in Fontana during January, with a total of 50.9 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Fontana during January?
The average wind speed in Fontana during January is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Fontana

Explore the daily rainfall trends and prepare for Fontanas January weather 💧

Quick links

You are here
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.

Related locations
Select a location for accurate weather forecast
Denver
More Locations
Found a mistake?
We appreciate your attention to details. Tell us here.