San Fernando weather in January

In January, San Fernando sees average daytime highs of 31°C and overnight lows near 24°C, with 302 mm of rain across 25.6 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is San Fernando's 10th-clearest and 2nd-windiest month. For the whole year in context, see San Fernando's year-round climate.

Daytime high
31°
6th warmest
Overnight low
24°
12th coldest
Rainfall
302 mm
25.6 wet days
Daylight
12 h 24 min
5:54 AM – 6:21 PM
Cloud cover
84%
10th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.95 kWh/m²
Travel score
2.9
out of 10

San Fernando is city in Ucayali, 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 31°C through the month.

A typical January day in San Fernando reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123123
133123
143123
153123
163023
173023
183023
193023
203023
213023
223023
233023
243024
253024
263024
273024
283024
293024
303124
313124

How January really feels in San Fernando

Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Fernando weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°30225.612.42.9
Feb30° / 23°31023.312.32.9
Mar30° / 23°35026.312.12.9
Apr30° / 23°2572311.83.2
May30° / 23°15819.311.63.9
Jun30° / 22°9814.311.54.5
Jul30° / 22°8211.211.64.9
Aug31° / 23°9911.411.74.4
Sep32° / 23°14815.1123.7
Oct31° / 23°22621.612.23.2
Nov31° / 23°27623.712.43.0
Dec31° / 24°29025.512.52.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21684
31684
41684
51585
61585
71585
81585
91486
101486
111387
121288
131288
141189
151090
161090
17991
18991
19892
20892
21892
22892
23991
24991
25991
26991
27991
281090
291090
301090
31991

Chance of precipitation in January

Any precipitation

San Fernando gets around 302 mm of rain over 25.6 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 83% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
178
278
378
479
579
679
780
881
982
1082
1183
1284
1385
1486
1586
1687
1787
1887
1987
2087
2186
2286
2385
2485
2584
2684
2783
2883
2982
3082
3182

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16238
26337
36337
46436
56436
66436
76436
86436
96436
106436
116436
126337
136337
146337
156238
166238
176139
186139
196139
206040
216040
226040
235941
245941
255941
265842
275842
285842
295842
305842
315941

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 12 h 30 min at the start of January to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:47 AM to 6:00 AM, and sunset from 6:16 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:476:16
212.55:476:16
312.55:486:17
412.55:486:17
512.55:496:17
612.55:496:18
712.55:506:18
812.55:506:18
912.55:516:19
1012.55:516:19
1112.55:526:19
1212.55:526:20
1312.55:536:20
1412.45:536:20
1512.45:546:20
1612.45:546:21
1712.45:556:21
1812.45:556:21
1912.45:566:21
2012.45:566:21
2112.45:566:22
2212.45:576:22
2312.45:576:22
2412.45:586:22
2512.45:586:22
2612.45:596:22
2712.45:596:22
2812.45:596:22
2912.46:006:22
3012.46:006:23
3112.46:006:23

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 5.43 kWh/m² in September across the year — January's 4.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in January

Is January a good time to visit San Fernando?

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

2.9
Sightseeing
9th-best month of the year
4.1
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in San Fernando.

What to pack for San Fernando in January

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

In January, San Fernando sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in San Fernando in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Fernando peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 13UV 16Sep 10UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr11Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in San Fernando 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 San Fernando is worst in September — around 31 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (June, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1429 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar15Moderate
Apr11Good
May9Good
Jun8Good
Jul12Moderate
Aug23Moderate
Sep31Moderate
Oct17Moderate
Nov13Moderate
Dec12Good
Location & terrain

Where is San Fernando?

San Fernando sits at 8.4°S, 74.5°W, 155 m above sea level, in Peru. The nearest listed city is Pucallpa, 3.0 km away.

AguaytíaContamanaTingo MaríaMâncio LimaMarechal ThaumaturgoUchizaTocache

Topography around San Fernando

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

Within 3 km, the terrain around San Fernando has only modest variations in elevation — a maximum elevation change of 27 m around an average of 152 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, large variations in elevation — a maximum elevation change of 711 m.

The land around San Fernando is covered by artificial surfaces (50%) within 3 km, trees (59%) and grassland (26%) within 16 km, and trees (89%) within 80 km.

3 km
27 m
16 km
38 m
80 km
711 m
treesgrasslandartificial surfacesbare terrainwaterwetland
January weather nearby: Pucallpa 3.0 km · Aguaytía 128 km · Contamana 130 km · Tingo María 189 km · Mâncio Lima 201 km · Marechal Thaumaturgo 201 km · Uchiza 212 km · Tocache 219 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 San Fernando (-8.3982°, -74.5377°, elevation 155 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).