San Francisco El Alto weather in January

In January, San Francisco El Alto sees average daytime highs of 19°C and overnight lows near 9°C, with 16 mm of rain across 5 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 51% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is San Francisco El Alto's 2nd-clearest and 2nd-windiest month. For the whole year in context, see San Francisco El Alto's year-round climate.

Daytime high
19°
10th warmest
Overnight low
1st coldest
Rainfall
16 mm
5 wet days
Daylight
11 h 12 min
6:39 AM – 5:51 PM
Cloud cover
41%
2nd clearest
Wind
5 km/h
2nd windiest
Solar energy
5.14 kWh/m²
Travel score
7.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical January day in San Francisco El Alto reaches about 19°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25209
26209
27209
28209
29209
30209
31209

San Francisco El Alto weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 16511.27.2
Feb21° / 164.111.57.6
Mar22° / 10°429.711.97.0
Apr22° / 11°941712.35.7
May22° / 12°2582712.74.0
Jun20° / 12°34428.412.93.4
Jul20° / 11°20325.712.83.9
Aug20° / 12°24427.812.53.6
Sep20° / 12°32229.312.13.3
Oct20° / 12°23126.311.73.8
Nov19° / 10°6613.711.35.6
Dec19° / 276.211.16.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 28% of January, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37624
47624
57624
67723
77723
87822
97822
107822
117822
127921
137921
147921
157921
167921
177921
188020
198020
207921
217921
227921
237921
248020
258020
268020
278020
288119
298119
308218
318218

Chance of precipitation in January

Any precipitation

San Francisco El Alto gets around 16 mm of rain over 5 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
217
317
417
517
616
716
816
916
1015
1115
1215
1315
1415
1515
1615
1715
1816
1916
2016
2116
2216
2316
2416
2516
2616
2716
2816
2916
3016
3116

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
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 06 min at the start of January to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:35 AM to 6:39 AM, and sunset from 5:43 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:355:43
211.16:355:43
311.16:365:44
411.16:365:44
511.16:365:45
611.16:375:46
711.26:375:46
811.26:375:47
911.26:385:47
1011.26:385:48
1111.26:385:48
1211.26:385:49
1311.26:385:49
1411.26:395:50
1511.26:395:51
1611.26:395:51
1711.26:395:52
1811.26:395:52
1911.26:395:53
2011.26:395:53
2111.26:395:54
2211.26:405:54
2311.36:405:55
2411.36:405:56
2511.36:405:56
2611.36:405:57
2711.36:395:57
2811.36:395:58
2911.36:395:58
3011.36:395:59
3111.36:395:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.48 kWh/m² in April across the year — January's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for San Francisco El Alto

In seasonPeak

None of San Francisco El Alto's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Francisco El Alto's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit San Francisco El Alto?

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

7.2
Sightseeing
2nd-best month of the year
3.2
Beach & pool
4th-best month of the year

January is one of the better times to visit San Francisco El Alto for general sightseeing.

What to pack for San Francisco El Alto in January

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

In January, San Francisco El Alto sees daytime highs around 19°C and nights near 9°C. Worth packing: sun protection. About 5 days see rain.

sun protection

UV index in San Francisco El Alto in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (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 Francisco El Alto peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 12UV 14Dec 16UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in San Francisco El Alto 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 Francisco El Alto is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 934 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar25Moderate
Apr34Moderate
May34Moderate
Jun23Moderate
Jul23Moderate
Aug22Moderate
Sep23Moderate
Oct23Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is San Francisco El Alto?

San Francisco El Alto sits at 14.9°N, 91.4°W, 2,642 m above sea level, in Guatemala. The nearest listed city is San Andrés Xecul, 6.0 km away.

Topography around San Francisco El Alto

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

Within 3 km, the terrain around San Francisco El Alto has large variations in elevation — a maximum elevation change of 655 m around an average of 2,576 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,396 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,175 m.

The land around San Francisco El Alto is covered by trees (54%) and cropland (25%) within 3 km, trees (55%) and cropland (25%) within 16 km, and trees (75%) within 80 km.

3 km
655 m
16 km
1,396 m
80 km
4,175 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: San Andrés Xecul 6.0 km · Salcajá 7.0 km · Totonicapán 10 km · Momostenango 12 km · Quetzaltenango 14 km · Cantel 15 km · La Esperanza 15 km · Nahualá 18 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Francisco El Alto (14.9449°, -91.4431°, elevation 2,642 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).