Climate averages 1991–2020

Hemet weather
in December.

A mild, moderately wet month: the coolest and the 10th driest of the year.

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

Average high 16.2°C Daytime mean, December
Average low 3.9°C Night-time mean, December
Rainfall 57 mm 6 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Hemet · average highYear overview

December is a mild month in Hemet: daytime highs average 16.2°C and nights cool to about 3.9°C. By daytime temperature it is the coolest month of the year.

Expect about 57 mm of rain on roughly 6 days, which makes December a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 57 min on an average December day.

The nearest other city in this atlas is Menifee (16 km away). In December its highs average 16.4°C, about as warm as Hemet, with 61 mm of rain.

Among the 498 cities listed in the United States, Hemet ranks joint 133rd of 498 for the warmest December highs and joint 191st of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Hemet is 5.6°C warmer than that mean.

From December to January, average highs rise by 0.4°C to 16.6°C, and monthly rainfall rises from 57 mm to 73 mm.

The annual picture

December 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. 0510152025303540 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 1000

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

Every month, side by side

Hemet climate table

1991–2020
Monthly climate averages for Hemet, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 16.6°C4.0°C4.0°C736.610.210 h
February 16.8°C4.9°C4.9°C897.711.011 h
March 18.8°C6.7°C6.7°C556.512.012 h
April 21.2°C8.8°C8.8°C294.513.013 h
May 24.3°C11.9°C11.9°C132.713.914 h
June 28.8°C15.6°C15.6°C3.10.614.414 h
July 32.1°C19.5°C19.5°C5.01.214.214 h
August 33.0°C20.3°C20.3°C3.31.013.413 h
September 30.9°C17.6°C17.6°C5.01.012.412 h
October 25.8°C12.4°C12.4°C182.911.411 h
November 20.6°C7.4°C7.4°C273.310.410 h
December, selected 16.2°C3.9°C3.9°C575.510.010 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

December in nearby cities

Distance from Hemet

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 Hemet) is explained once on the Hemet year overview and on the Sources, method and limits page.