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Weather on January 30

San Ramon, CA

55 Years of Data

Avg High
56°F
Avg Low
41°F
Warmest
1976
63°F avg
Coldest
2008
32°F avg

About This Date

January 30th in San Ramon, CA typically brings cool winter weather, with average highs around 56°F and lows near 41°F. Over 55 years of records, the warmest January 30th was in 1976 (63°F average), while the coldest was 2008 (32°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 22% of January 30th dates historically, with the wettest January 30th recording 0.55" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.

Planning for January 30th in San Ramon, CA? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202662°52°57°
202544°36°40°
202465°50°57°
202347°31°39°0.32"
202258°46°52°
202153°37°45°
202061°47°54°
201960°50°55°
201867°57°62°
201760°50°55°
201655°39°47°
201562°50°56°
201455°45°50°0.11"
201356°37°46°
201262°46°54°
201152°40°46°0.55"
201055°40°47°0.18"
200962°47°54°
2008coldest40°24°32°0.12"
200765°40°52°
200659°43°51°
200561°39°50°
200454°38°46°0.11"
200361°43°52°
200243°27°35°
200152°41°46°
200057°48°53°
199957°32°45°
199852°41°46°
199758°44°51°
199653°44°49°
199560°52°56°
199460°36°48°
199359°45°52°
199249°43°46°
199158°35°46°
199066°37°52°0.34"
198966°42°54°
198849°37°43°0.42"
198657°43°50°0.52"
198548°35°42°
198467°48°57°
198346°39°43°0.33"
198257°41°49°
198145°34°39°0.06"
198046°29°37°
197951°30°41°
197863°45°54°
197758°33°45°
1976warmest73°54°63°
197550°28°39°
197455°35°45°
197353°37°45°0.47"
197245°33°39°
197171°42°57°
55 years of data from LIVERMORE CALIFORNIA

San Ramon, CA Temperature Range by Month

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

30°40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

San Ramon, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"0.2"0.4"JFMAMJJASOND4.3"0"
Rain (in) Snow (in)

San Ramon, 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 San Ramon, CA

Most pleasant months in San Ramon, CA: May, June, September, October.

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

What to expect on January 30th

This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.

January 30th outlook →

Browse Weather History

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

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