Climate averages 1991–2020
Tacna weather
in January.
A warm, fairly dry month: the 3rd warmest and one of the wettest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Tacna: daytime highs average 26.4°C and nights cool to about 17.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 23 mm of rain on roughly 7 days, which makes January a fairly dry month (one of the wettest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average January day.
The nearest other city in this atlas is Arica (51 km away). In January its highs average 26.6°C, about as warm as Tacna, with 9.5 mm of rain.
Among the 24 cities listed in Peru, Tacna ranks 11th of 24 for the warmest January highs and joint 7th of 24 for the driest January (rainfall, lowest first). The mean January high of those 24 cities is 25.1°C; Tacna is 1.3°C warmer than that mean.
From January to February, average highs rise by 0.5°C to 26.9°C, and monthly rainfall stays at 23 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tacna climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 26.4°C17.9°C | 17.9°C | 23 | 6.5 | 13.113 h |
| February | 26.9°C18.5°C | 18.5°C | 23 | 6.9 | 12.713 h |
| March | 26.5°C18.0°C | 18.0°C | 14 | 4.1 | 12.212 h |
| April | 24.3°C16.3°C | 16.3°C | 1.9 | 0.4 | 11.712 h |
| May | 21.6°C15.0°C | 15.0°C | 4.1 | 0.4 | 11.311 h |
| June | 19.5°C13.8°C | 13.8°C | 4.5 | 0.4 | 11.111 h |
| July | 18.9°C13.0°C | 13.0°C | 3.9 | 0.5 | 11.211 h |
| August | 19.4°C12.9°C | 12.9°C | 3.6 | 0.5 | 11.512 h |
| September | 20.5°C13.1°C | 13.1°C | 2.4 | 0.2 | 12.012 h |
| October | 21.9°C13.6°C | 13.6°C | 1.1 | 0.0 | 12.512 h |
| November | 23.7°C14.6°C | 14.6°C | 1.1 | 0.2 | 12.913 h |
| December | 25.3°C16.3°C | 16.3°C | 5.6 | 1.4 | 13.213 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
- Arica in JanuaryChile · 51 kmHigh 26.6°C · Low 19.5°C · 9.5 mm rain
- Puno in JanuaryPeru · 243 kmHigh 14.1°C · Low 6.0°C · 224 mm rain
- Iquique (approximate) in JanuaryChile · 245 kmHigh 27.2°C · Low 20.1°C · 1.0 mm rain
- Alto Hospicio in JanuaryChile · 251 kmHigh 24.5°C · Low 16.9°C · 2.9 mm rain
- Viacha in JanuaryBolivia · 257 kmHigh 13.8°C · Low 4.5°C · 143 mm rain
- La Paz in JanuaryBolivia · 280 kmHigh 14.2°C · Low 5.8°C · 132 mm rain
- Juliaca in JanuaryPeru · 280 kmHigh 13.8°C · Low 5.0°C · 193 mm rain
- Oruro in JanuaryBolivia · 334 kmHigh 14.0°C · Low 4.6°C · 143 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tacna) is explained once on the Tacna year overview and on the Sources, method and limits page.