NOAA GHCND · LIVE

Weather on December 30

Fontana, CA

55 Years of Data

Avg High
65°F
Avg Low
42°F
Warmest
1980
68°F avg
Coldest
1978
43°F avg

About This Date

December 30th in Fontana, CA typically brings mild winter weather, with average highs around 65°F and lows near 42°F. Over 55 years of records, the warmest December 30th was in 1980 (68°F average), while the coldest was 1978 (43°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 30th dates historically, with the wettest December 30th recording 1.63" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 30th in Fontana, CA? Great weather for outdoor activities.

YearHighLowAvgPrecipSnow
202567°50°58°
202466°48°57°
202360°51°56°0.38"
202258°53°55°0.03"
202156°46°51°1.47"
202067°39°53°
201964°46°55°
201862°36°49°
201778°45°61°
201660°52°56°0.1"
201560°35°48°
201454°44°49°0.03"
201373°41°57°
201252°36°44°0.05"
201175°44°60°
201053°34°43°
200950°42°46°0.15"
200873°45°59°
200760°37°49°
200666°39°53°
200565°46°55°
200458°44°51°
200364°43°53°
200262°39°51°
200161°44°52°0.03"
200075°41°58°
199969°40°54°
199879°43°61°
199782°51°67°
199663°53°58°
199572°43°57°
199461°38°49°
199374°38°56°
199235°0.51"
199163°42°52°0.56"
199064°32°48°
198974°39°56°
198860°31°45°
198755°34°44°0.13"
198677°33°55°
198570°51°60°
198467°37°52°
198372°39°55°
198257°43°50°0.28"
198158°47°52°1.24"
1980warmest82°53°68°
197971°40°55°
1978coldest56°31°43°
197767°53°60°0.25"
197657°46°52°1.63"
197569°45°57°
197457°38°47°
197369°52°60°
197266°43°54°
197162°41°52°
55 years of data from FONTANA KAISER

Fontana, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°50°70°90°JFMAMJJASOND
Avg high Avg low

Fontana, CA Monthly Precipitation

Average rainfall per month, in inches.

0"6.6"13.1"JFMAMJJASOND
Rain (in)

Fontana, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Fontana, CA

Fontana, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery