Climate averages 1991–2020

Yuma weather
in January.

A mild, very dry month: the 11th warmest and the joint 9th driest of the year. Meets the pleasant-weather rule

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

Average high 21.2°C Daytime mean, January

Average low 8.6°C Night-time mean, January

Rainfall 11 mm 2 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

January is a mild month in Yuma: daytime highs average 21.2°C and nights cool to about 8.6°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 11 mm of rain on roughly 2 days, which makes January a very dry month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 15 min on an average January day.

The nearest other city in this atlas is San Luis Río Colorado (33 km away). In January its highs average 21.0°C, about as warm as Yuma, with 9.2 mm of rain.

Among the 498 cities listed in the United States, Yuma ranks 24th of 498 for the warmest January highs and joint 1st of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Yuma is 11.8°C warmer than that mean.

From January to February, average highs rise by 1.9°C to 23.1°C, and monthly rainfall rises from 11 mm to 15 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Yuma climate table

1991–2020

Monthly climate averages for Yuma, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	21.2°C8.6°C	8.6°C	11	1.8	10.310 h
February	23.1°C9.9°C	9.9°C	15	2.3	11.011 h
March	27.1°C12.6°C	12.6°C	9.0	1.4	12.012 h
April	30.7°C15.4°C	15.4°C	3.0	0.5	13.013 h
May	34.9°C19.1°C	19.1°C	0.7	0.2	13.814 h
June	39.9°C23.4°C	23.4°C	0.7	0.2	14.314 h
July	41.9°C27.7°C	27.7°C	5.6	1.6	14.114 h
August	41.5°C28.2°C	28.2°C	11	3.2	13.413 h
September	38.6°C24.8°C	24.8°C	12	2.0	12.412 h
October	32.4°C18.2°C	18.2°C	4.8	0.7	11.411 h
November	25.5°C12.4°C	12.4°C	7.0	1.0	10.511 h
December	20.0°C8.1°C	8.1°C	10	1.6	10.010 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

January in nearby cities

Distance from Yuma

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