Isnos weather in January

In January, Isnos sees average daytime highs of 20°C and overnight lows near 11°C, with 152 mm of rain across 22.1 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Isnos's 1st-clearest and 4th-windiest month. For the whole year in context, see Isnos's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
11°
6th coldest
Rainfall
152 mm
22.1 wet days
Daylight
11 h 54 min
6:17 AM – 6:11 PM
Cloud cover
76%
1st clearest
Wind
5 km/h
4th windiest
Solar energy
5 kWh/m²
Travel score
4.3
out of 10
Founded
1663

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical January day in Isnos reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 22°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92011
102011
112011
122011
132011
142011
152011
162011
172011
182011
192011
202011
212011
222011
232011
242011
252011
262011
272011
282011
292011
302011
312011

Isnos weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 11°15222.111.94.3
Feb20° / 11°15422.711.94.0
Mar19° / 11°20828.5123.4
Apr19° / 11°19528.6123.2
May18° / 11°16328.812.13.2
Jun17° / 10°1712812.13.1
Jul17° / 10°18228.212.13.0
Aug17° / 12425.712.13.4
Sep18° / 10°9423.7123.9
Oct19° / 11°15225.9123.7
Nov20° / 11°19327.111.93.6
Dec20° / 11°16825.311.94.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32080
42080
52080
62080
72080
81981
91882
101783
111783
121585
131486
141486
151387
161387
171387
181387
191387
201387
211486
221585
231585
241585
251585
261783
271783
281783
291783
301783
311783

Chance of precipitation in January

Any precipitation

Isnos gets around 152 mm of rain over 22.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 76% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
270
370
470
570
670
771
871
972
1073
1174
1275
1375
1476
1576
1676
1776
1875
1975
2074
2174
2273
2373
2472
2572
2672
2772
2872
2972
3073
3173

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
17525
27525
37525
47525
57525
67525
77525
87525
97525
107426
117426
127426
137426
147426
157426
167426
177426
187426
197426
207426
217426
227426
237525
247525
257525
267525
277426
287426
297426
307426
317327

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 54 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 6:11 AM to 6:21 AM, and sunset from 6:05 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:116:05
211.96:126:05
311.96:126:06
411.96:136:06
511.96:136:07
611.96:146:07
711.96:146:08
811.96:146:08
911.96:156:08
1011.96:156:09
1111.96:166:09
1211.96:166:10
1311.96:166:10
1411.96:176:10
1511.96:176:11
1611.96:176:11
1711.96:186:12
1811.96:186:12
1911.96:186:12
2011.96:186:13
2111.96:196:13
2211.96:196:13
2311.96:196:14
2411.96:206:14
2511.96:206:14
2611.96:206:15
2711.96:206:15
2811.96:206:15
2911.96:216:15
3011.96:216:16
3111.96:216:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 5.28 kWh/m² in September across the year — January's 5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in January

Is January a good time to visit Isnos?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.3
Sightseeing
1st-best month of the year
2.1
Beach & pool
1st-best month of the year

January is a reasonable time to visit Isnos for sightseeing.

What to pack for Isnos in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Isnos sees daytime highs around 20°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 22 days see rain.

rain gearsun protection

UV index in Isnos in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isnos peaks around February 19 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 13 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 17Aug 10UV 13
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar17Extreme
Apr14Extreme
May15Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep15Extreme
Oct15Extreme
Nov13Extreme
Dec13Extreme

Air quality in Isnos in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Isnos is worst in March — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1419 µg/m³Jul 139 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar19Moderate
Apr16Moderate
May12Moderate
Jun10Good
Jul9Good
Aug12Good
Sep16Moderate
Oct13Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Isnos?

Isnos sits at 1.9°N, 76.2°W, 1,806 m above sea level, in Colombia. The nearest listed city is San Agustin, 7.0 km away.

Topography around Isnos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isnos.

Within 3 km, the terrain around Isnos has significant variations in elevation — a maximum elevation change of 413 m around an average of 1,814 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,618 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,394 m.

The land around Isnos is covered by grassland (71%) and trees (26%) within 3 km, trees (67%) and grassland (32%) within 16 km, and trees (77%) and grassland (23%) within 80 km.

3 km
413 m
16 km
1,618 m
80 km
4,394 m
treesgrasslandartificial surfaces
January weather nearby: San Agustin 7.0 km · Pitalito 23 km · Tarqui 50 km · Guadalupe 55 km · La Plata 64 km · Popayán 70 km · Garzón 74 km · Florencia 79 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Isnos (1.9356°, -76.2406°, elevation 1,806 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).