Climate averages 1991–2020

Elk Grove weather
in January.

A cool, wet month: the 11th warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 13.3°C Daytime mean, January
Average low 4.3°C Night-time mean, January
Rainfall 125 mm 10 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Elk Grove · average highYear overview

January is a cool month in Elk Grove: daytime highs average 13.3°C and nights cool to about 4.3°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 125 mm of rain on roughly 10 days, which makes January a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 49 min on an average January day.

The nearest other city in this atlas is Rancho Cordova (21 km away). In January its highs average 13.4°C, about as warm as Elk Grove, with 125 mm of rain.

Among the 498 cities listed in the United States, Elk Grove ranks joint 197th of 498 for the warmest January highs and joint 465th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Elk Grove is 3.9°C warmer than that mean.

From January to February, average highs rise by 2.0°C to 15.4°C, and monthly rainfall falls from 125 mm to 121 mm.

The annual picture

January in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 05101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Elk Grove climate table

1991–2020
Monthly climate averages for Elk Grove, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 13.3°C4.3°C4.3°C1259.59.810 h
February 15.4°C5.5°C5.5°C1219.710.711 h
March 18.0°C7.1°C7.1°C1059.211.912 h
April 21.3°C9.0°C9.0°C495.713.213 h
May 26.0°C12.0°C12.0°C294.014.214 h
June 30.6°C14.6°C14.6°C5.81.014.815 h
July 32.7°C15.8°C15.8°C0.40.114.615 h
August 32.1°C15.7°C15.7°C1.40.213.714 h
September 30.3°C15.0°C15.0°C3.50.712.512 h
October 24.9°C12.0°C12.0°C373.211.211 h
November 17.6°C7.4°C7.4°C656.610.110 h
December 13.1°C4.5°C4.5°C1219.79.510 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Elk Grove

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Elk Grove) is explained once on the Elk Grove year overview and on the Sources, method and limits page.

Rancho Cordova lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.