Rioja weather in January

In January, Rioja sees average daytime highs of 24°C and overnight lows near 16°C, with 148 mm of rain across 22.8 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 2% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Rioja's 7th-clearest and 2nd-windiest month. For the whole year in context, see Rioja's year-round climate.

Daytime high
24°
6th warmest
Overnight low
16°
12th coldest
Rainfall
148 mm
22.8 wet days
Daylight
12 h 18 min
6:08 AM – 6:27 PM
Cloud cover
81%
7th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.96 kWh/m²
Travel score
4.7
out of 10

Rioja is town in San Martín, Peru.

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 24°C through the month.

A typical January day in Rioja reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222416
232416
242416
252516
262516
272516
282516
292516
302516
312516

Rioja weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°14822.812.34.7
Feb24° / 16°15322.512.24.4
Mar24° / 16°19725.8124.2
Apr25° / 16°15925.311.94.2
May24° / 15°1142411.74.7
Jun24° / 14°7017.711.75.8
Jul24° / 14°5414.411.76.4
Aug25° / 14°4212.211.86.7
Sep26° / 15°5514.3125.9
Oct25° / 15°11720.912.14.9
Nov25° / 16°16624.912.34.3
Dec24° / 16°15224.712.34.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41585
51585
61486
71387
81387
91387
101387
111387
121288
131189
141189
151090
161090
171090
18991
19991
20991
21991
22991
23991
24991
25991
26991
27892
28892
29892
30892
31892

Chance of precipitation in January

Any precipitation

Rioja gets around 148 mm of rain over 22.8 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 75% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
573
674
774
875
975
1076
1177
1277
1377
1477
1577
1677
1777
1877
1976
2076
2175
2274
2374
2473
2573
2673
2773
2873
2973
3074
3174

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
121781
221781
321781
421781
522771
622771
722771
822771
922771
1022762
1122762
1222762
1323752
1423752
1524742
1624742
1725732
1825732
1926722
2026722
2127721
2227721
2327721
2427721
2528711
2628711
2728711
2827721
2927721
3027721
3127721

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 4 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
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 18 min at the start of January to 12 h 18 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 6:01 AM to 6:14 AM, and sunset from 6:22 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:016:22
212.36:026:23
312.36:026:23
412.36:036:23
512.36:036:24
612.36:046:24
712.36:046:25
812.36:056:25
912.36:056:25
1012.36:066:26
1112.36:066:26
1212.36:076:26
1312.36:076:27
1412.36:086:27
1512.36:086:27
1612.36:086:27
1712.36:096:28
1812.36:096:28
1912.36:106:28
2012.36:106:28
2112.36:116:29
2212.36:116:29
2312.36:116:29
2412.36:126:29
2512.36:126:29
2612.36:126:29
2712.36:136:30
2812.36:136:30
2912.36:136:30
3012.36:146:30
3112.36:146:30

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.96 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 5.63 kWh/m² in September across the year — January's 4.96 kWh/m² falls in the middle.

024151015202531
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
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in January

Is January a good time to visit Rioja?

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

4.7
Sightseeing
6th-best month of the year
4.1
Beach & pool
7th-best month of the year

January is a reasonable time to visit Rioja for sightseeing.

What to pack for Rioja in January

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

In January, Rioja sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Rioja 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 Rioja peaks around February 13 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 13UV 17Jul 20UV 11
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme

Air quality in Rioja 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 Rioja is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1319 µg/m³Jun 118 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar12Moderate
Apr10Good
May8Good
Jun8Good
Jul9Good
Aug16Moderate
Sep20Moderate
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Rioja?

Rioja sits at 6.1°S, 77.2°W, 831 m above sea level, in Peru. The nearest listed city is Moyobamba, 21 km away.

YurimaguasBellavistaJuanjuíBagua GrandeLa Peca

Topography around Rioja

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

Within 3 km, the terrain around Rioja has only modest variations in elevation — a maximum elevation change of 57 m around an average of 829 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,549 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,807 m.

The land around Rioja is covered by trees (34%), grassland (28%) and cropland (24%) within 3 km, trees (64%) and grassland (22%) within 16 km, and trees (89%) within 80 km.

3 km
57 m
16 km
1,549 m
80 km
3,807 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Moyobamba 21 km · Chachapoyas 80 km · La Banda 103 km · Yurimaguas 117 km · Bellavista 128 km · Juanjuí 134 km · Bagua Grande 145 km · La Peca 149 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Rioja (-6.0568°, -77.1665°, elevation 831 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).