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Weather on December 21

Fresno, CA

55 Years of Data

Avg High
54°F
Avg Low
38°F
Warmest
2025
61°F avg
Coldest
1990
30°F avg

About This Date

December 21st in Fresno, CA typically brings cool winter weather, with average highs around 54°F and lows near 38°F. Over 55 years of records, the warmest December 21st was in 2025 (61°F average), while the coldest was 1990 (30°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 21st dates historically, with the wettest December 21st recording 0.94" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

Planning for December 21st in Fresno, CA? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest69°53°61°
202468°41°55°
202358°51°54°0.2"
202241°37°39°
202148°38°43°
202052°35°43°
201963°45°54°
201855°48°52°
201751°32°42°
201655°33°44°
201556°44°50°0.69"
201461°45°53°
201359°36°47°
201260°33°47°
201158°33°45°
201058°44°51°0.08"
200958°41°49°0.86"
200851°35°43°0.18"
200750°35°43°
200649°31°40°0.89"
200566°49°57°
200444°40°42°
200355°45°50°
200257°42°50°0.03"
200154°41°47°0.03"
200065°35°50°
199960°33°47°
199834°26°30°
199747°34°40°
199654°40°47°0.48"
199554°36°45°
199445°40°42°
199338°34°36°
199252°30°41°
199162°28°45°
1990coldest36°24°30°
198940°37°38°
198853°35°44°
198745°32°38°
198655°37°46°
198542°35°39°
198451°36°43°
198351°36°43°
198257°50°54°0.76"
198156°42°49°0.18"
198059°36°47°
197954°37°45°0.94"
197847°31°39°
197767°48°57°0.43"
197659°32°46°
197561°30°45°
197446°42°44°
197358°47°52°0.38"
197256°46°51°
197153°29°41°0.18"
55 years of data from FRESNO YOSEMITE INTL

Fresno, CA Temperature Range by Month

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

30°50°70°90°110°JFMAMJJASOND
Avg high Avg low

Fresno, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"3.6"7.1"JFMAMJJASOND0.5"0"
Rain (in) Snow (in)

Fresno, 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 Fresno, CA

Fresno, 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.

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