Tunja weather in January
In January, Tunja has daytime highs averaging 18 °C, nights around 8.5 °C, with 18 wet days. Figures are 1991–2020 climate normals.
- 17.8°C Average high
- 8.5°C Average low
- 18days Wet days
- 93mm Rainfall
- 12h Daylight
Daily temperatures through January
How January develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 January | 17.6 °C | 8.2 °C | 57 % |
| 11–20 January | 17.8 °C | 8.6 °C | 58 % |
| 21–31 January | 17.9 °C | 8.5 °C | 63 % |
- Rain is most likely over days 21–31 of January (63 % of days) and least likely over days 1–10 (57 %).
What to expect
| Measure | Typical January | Share of the month |
|---|---|---|
| Days above 25 °C | 0 of 31 | 0 % |
| Days above 30 °C | 0 of 31 | 0 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 18 of 31 | 59 % |
Conditions in January
| Measure | Average |
|---|---|
| Mean temperature | 12 °C |
| Record high (1991–2020) | 22 °C |
| Record low (1991–2020) | 2.5 °C |
| Relative humidity | 82 % |
| Wind speed | 10 km/h |
| Cloud cover | 83 % |
Where Tunja ranks in January
| Ranking | Position | Value |
|---|---|---|
| The coolest places in South America in January | 14th of 50 | 18 °C |
January compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 17.8 °C | 93 mm | 83 % |
| February | 18.0 °C | 131 mm | 86 % |
| March | 17.8 °C | 204 mm | 91 % |
| November | 17.4 °C | 162 mm | 91 % |
| December | 17.4 °C | 116 mm | 86 % |
See all twelve months for Tunja
- January is the 3rd warmest month here.
- It is the 1st driest month of the year.
- It ranks 1st for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 18 of 31 days — 59 % of the month.
- Nights are about 9.3 °C cooler than the middle of the day.
- The hottest January day on record since 1991 reached 22 °C, 4.2 °C above the usual daytime high.
QuestionsJanuary in Tunja, answered
How warm is Tunja in January?
Daily highs average 18 °C and nights fall to about 8.5 °C, a spread of 9.3 °C between afternoon and dawn. That makes January the 7th warmest month of the year here.
Does it rain much in Tunja in January?
January averages 93 mm of rain, spread over about 18 of the 31 days — 59 % of the month. Cloud cover averages 83 % of the sky.
How long are the days in January?
Tunja averages 12 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.