Climate averages 1991–2020

Potosí weather
in January.

A cool, wet month: one of the coolest 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 4.7°C Night-time mean, January

Rainfall 171 mm 26 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a cool month in Potosí: daytime highs average 13.3°C and nights cool to about 4.7°C. By daytime temperature it is one of the coolest months of the year.

Expect about 171 mm of rain on roughly 26 days, which makes January a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 10 min on an average January day.

The nearest other city in this atlas is Sucre (80 km away). In January its highs average 18.7°C, 5.3°C warmer than Potosí, with 205 mm of rain.

Among the 14 cities listed in Bolivia, Potosí ranks 14th of 14 for the warmest January highs and 4th of 14 for the driest January (rainfall, lowest first). The mean January high of those 14 cities is 21.8°C; Potosí is 8.5°C cooler than that mean.

From January to February, average highs stay level at 13.3°C, and monthly rainfall falls from 171 mm to 148 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

Potosí climate table

1991–2020

Monthly climate averages for Potosí, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	13.3°C4.7°C	4.7°C	171	25.8	13.213 h
February	13.3°C4.8°C	4.8°C	148	23.6	12.813 h
March	13.3°C4.0°C	4.0°C	108	21.3	12.212 h
April	14.1°C1.9°C	1.9°C	35	9.5	11.712 h
May	14.3°C-1.5°C	-1.5°C	6.2	1.8	11.211 h
June	13.5°C-2.9°C	-2.9°C	2.2	0.5	11.011 h
July	13.3°C-3.2°C	-3.2°C	4.0	1.0	11.111 h
August	14.6°C-2.1°C	-2.1°C	10	2.6	11.411 h
September	15.7°C0.1°C	0.1°C	26	6.5	12.012 h
October	16.5°C2.4°C	2.4°C	51	11.7	12.513 h
November	16.2°C3.9°C	3.9°C	77	15.6	13.013 h
December	14.9°C4.8°C	4.8°C	133	22.5	13.313 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 Potosí

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