NOAA GHCND · LIVE

Weather on January 16

Fullerton, CA

55 Years of Data

Avg High
71°F
Avg Low
48°F
Warmest
2014
79°F avg
Coldest
1987
43°F avg

About This Date

January 16th in Fullerton, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 48°F. Over 56 years of records, the warmest January 16th was in 2014 (79°F average), while the coldest was 1987 (43°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 21% of January 16th dates historically, with the wettest January 16th recording 3.28" 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 January 16th in Fullerton, CA? Great weather for outdoor activities.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
202686°51°69°
202564°46°55°
202470°46°58°
202362°50°56°3.07"
202278°63°70°
202187°58°72°
202063°44°53°
201961°52°56°3.28"
201875°52°63°
201769°52°60°
201669°51°60°
201577°51°64°
2014warmest89°68°79°
201374°42°58°
201261°46°53°0.15"
201179°53°66°
201073°51°62°
200983°45°64°
200866°43°54°
200770°41°55°
200670°38°54°
200585°51°68°
200466°48°57°
200386°50°68°
200266°50°58°
200161°43°52°
200074°55°64°0.51"
199971°45°58°
199871°56°63°
199767°48°57°0.28"
199667°52°59°
199556°39°47°
199468°42°55°
199362°56°59°3.23"
199275°56°65°
199173°50°62°
199059°44°52°0.33"
198976°44°60°
198862°50°56°
1987coldest53°34°43°
198670°52°61°
198565°43°54°
198461°42°51°0.46"
198371°51°61°
198275°40°57°
198172°46°59°
198069°0.05"
197964°48°56°0.74"
197861°46°53°1.42"
197781°42°61°
197691°58°74°
197573°42°58°
197471°46°59°
197360°51°56°1.3"
197278°46°62°
197175°41°58°
56 years of data from ANAHEIM

Fullerton, CA Temperature Range by Month

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

40°50°60°70°80°90°100°JFMAMJJASOND
Avg high Avg low

Fullerton, CA Monthly Precipitation

Average rainfall per month, in inches.

0"6.3"12.5"JFMAMJJASOND
Rain (in)

Fullerton, 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 Fullerton, CA

Fullerton, 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