Climate averages 1991–2020

Viacha weather
in January.

A cool, wet month: the joint 7th warmest and the wettest of the year.

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

Average high 13.8°C Daytime mean, January

Average low 4.5°C Night-time mean, January

Rainfall 143 mm 25 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a cool month in Viacha: daytime highs average 13.8°C and nights cool to about 4.5°C. By daytime temperature it is the joint 7th warmest of the 12 months.

Expect about 143 mm of rain on roughly 25 days, which makes January a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average January day.

The nearest other city in this atlas is La Paz (23 km away). In January its highs average 14.2°C, about as warm as Viacha, with 132 mm of rain.

Among the 14 cities listed in Bolivia, Viacha ranks 13th of 14 for the warmest January highs and joint 2nd of 14 for the driest January (rainfall, lowest first). The mean January high of those 14 cities is 21.8°C; Viacha is 8.1°C cooler than that mean.

From January to February, average highs stay level at 13.8°C, and monthly rainfall falls from 143 mm to 124 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

Viacha climate table

1991–2020

Monthly climate averages for Viacha, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	13.8°C4.5°C	4.5°C	143	24.8	13.013 h
February	13.8°C4.2°C	4.2°C	124	22.7	12.613 h
March	13.7°C3.7°C	3.7°C	96	22.4	12.212 h
April	13.8°C2.2°C	2.2°C	46	13.5	11.712 h
May	14.1°C0.2°C	0.2°C	14	4.7	11.311 h
June	13.7°C-1.2°C	-1.2°C	8.2	2.5	11.211 h
July	13.5°C-1.6°C	-1.6°C	10	3.0	11.211 h
August	14.5°C-0.7°C	-0.7°C	16	4.5	11.612 h
September	15.2°C0.7°C	0.7°C	32	9.6	12.012 h
October	15.7°C2.4°C	2.4°C	53	13.2	12.512 h
November	16.1°C3.4°C	3.4°C	58	13.9	12.913 h
December	14.8°C4.2°C	4.2°C	110	20.8	13.113 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 Viacha

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