Climate averages 1991–2020

Layton weather
in December.

A cold month with moderate precipitation: the 11th warmest and the 9th driest of the year.

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

Average high 1.8°C Daytime mean, December
Average low -7.6°C Night-time mean, December
Precipitation 51 mm 9 days with ≥1 mm
Daylight 9 h Sunrise to sunset, per day
Every month in Layton · average highYear overview

December is a cold month in Layton: daytime highs average 1.8°C and nights cool to about -7.6°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 51 mm of precipitation on roughly 9 days, which makes December a month with moderate precipitation (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 17 min on an average December day.

The nearest other city in this atlas is Ogden (18 km away). In December its highs average 1.8°C, about as warm as Layton, with 55 mm of precipitation.

Among the 498 cities listed in the United States, Layton ranks joint 459th of 498 for the warmest December highs and joint 146th of 498 for the driest December (precipitation, lowest first). The mean December high of those 498 cities is 10.5°C; Layton is 8.8°C cooler than that mean.

From December to January, average highs fall by 0.6°C to 1.2°C, and monthly precipitation rises from 51 mm to 53 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. -10-505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation 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

Layton climate table

1991–2020
Monthly climate averages for Layton, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 1.2°C-7.8°C-7.8°C5310.09.610 h
February 3.3°C-5.7°C-5.7°C448.410.611 h
March 8.6°C-2.0°C-2.0°C468.811.912 h
April 13.5°C2.3°C2.3°C6310.913.313 h
May 19.3°C7.2°C7.2°C568.414.514 h
June 25.5°C12.2°C12.2°C274.015.115 h
July 31.2°C16.9°C16.9°C8.31.814.815 h
August 30.2°C16.4°C16.4°C9.42.713.814 h
September 24.2°C11.3°C11.3°C304.412.513 h
October 15.9°C4.9°C4.9°C436.611.111 h
November 7.9°C-2.0°C-2.0°C438.39.910 h
December, selected 1.8°C-7.6°C-7.6°C519.19.39 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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 Layton

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