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San Marcos — VanSky 89 (Ideal)

Regional capital · San Marcos Department, Guatemala

20° Rain
VanSky
89
Ideal
Comfortable days: 7 of 7
Feels like
20°C
Wind
18 km/h
Precip
0%
Humidity
48%
UV
—
/
05:54 / 18:20

VanSky index for San Marcos, Guatemala — 89 out of 100 (Ideal). Decide in seconds: temperature, precipitation, wind and solar output. Data refreshed several times a day from real weather observations.

The main score is weekly (7-day average). The “Today” toggle shows the current day, and the region page compares cities “by area”.

San Marcos, Guatemala — VanSky 89 out of 100. Ideal conditions for travel. Ranked #36 of 140 cities in the country (as of 30 August 2026). Temperature 20°C, wind 18 km/h. Solar panels yield 2.0 kWh/day at 400 W — enough for full autonomy.

∅ 7-day average

Sleep
86
10°C
Night temperature
Solar
45
2 kWh
for 500W panels • sunny 6.5h
Driving
95
18 km/h
Wind speed (gusts 49)
Condensation
Medium
48%
Humidity level • Dew point 9°C comfortable
Awning
Caution
49 km/h
Max gusts
Air Quality
Poor
63 AQI
PM2.5: 13 μg/m³

Upcoming forecast

Su
30.08
day
20°
night
10°
solar
2 kWh
wind
18 km/h
gusts 49 км/ч
VanSky 93
comfort
Mo
31.08
day
20°
night
11°
solar
1.9 kWh
wind
20 km/h
gusts 53 км/ч
VanSky 90
comfort
Tu
01.09
day
20°
night
11°
solar
2 kWh
wind
25 km/h
gusts 61 км/ч
VanSky 89
comfort
We
02.09
day
22°
night
11°
solar
3 kWh
wind
23 km/h
gusts 58 км/ч
VanSky 99
comfort
Th
03.09
day
22°
night
11°
solar
2.3 kWh
wind
17 km/h
gusts 49 км/ч
VanSky 95
comfort
Fr
04.09
day
20°
night
11°
solar
1.6 kWh
wind
12 km/h
gusts 39 км/ч
VanSky 88
comfort
Sa
05.09
day
18°
night
11°
solar
1.5 kWh
wind
15 km/h
gusts 47 км/ч
VanSky 88
comfort

San Marcos on map

Open full map →
Open-Meteo

Solar — W Panels W

Today's output
Peak hours
5h
sunny 6.5h
Usage estimate

Travel recommendations

  • Gusts up to 49 km/h — open awning with caution and watch the forecast.

Air Quality Today

63
Good
Fair
Moderate
Poor
Danger
63
Poor
Air quality is poor — reduce outdoor time, keep windows closed.
PM2.5
13
μg/m³
Fair
Dust
5
μg/m³
Good
Pollen
—

Similar by VanSky

Cities with a close score — route alternatives

VanSky Index

A weather comfort index for travel: a 0–100 score. Recalculated daily from live weather data — temperature, rainfall, wind and sun.

80–100 Ideal
60–79 Comfortable
40–59 Acceptable
20–39 Challenging
0–19 Extreme

How it's calculated:

  • Thermal comfort 35%
  • Sunshine 25%
  • Precipitation 25%
  • Wind 15%

Data: Open-Meteo · Updated several times a day

Where the weather is best in Guatemala

San Marcos ranks 49 of 140 cities. Country average VanSky — 69.

Best
1
Patzicía
96 2
El Tejar
96 3
Chimaltenango
95 4
Nahualá
95 5
Jocotenango
95
Harshest
Masagua
22
Retalhuleu
22
Tiquisate
21
Ciudad Tecún Umán
20
Puerto San José
19
All 140 cities in the country

Frequently Asked Questions

Is it possible to live in a motorhome in San Marcos?
The weekly VanSky index for San Marcos is 89 out of 100 (7-day average). Above 60 is comfortable for parking, below 40 — consider alternatives. Check the 7-day forecast on this page.
What is the solar panel output in San Marcos?
Solar panel output data for San Marcos is calculated from real peak sun hours. The result is shown in the Solar section — you can adjust it to your panel wattage.
How does VanSky calculate the comfort index for San Marcos?
The index for San Marcos is calculated using: thermal comfort (temperature + humidity), precipitation, wind, and solar activity. Extreme conditions — frost, storm, heavy rain — drive the score toward zero.

Nearby cities

San Pedro Sacatepéquez 4 km Comitancillo 15 km Cabricán 20 km Ostuncalco 21 km El Quetzal 22 km San Pablo 23 km La Esperanza 27 km Malacatán 29 km

Other Tools

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GT Guatemala — fuel prices

Updated: 30.08.2026

Gasolina Regular

$1.36 /l

GTQ10.36 · €1.17/l

70 of 168

cheaper than 59% of countries

Midgrade

$1.41 /l

GTQ10.71 · €1.21/l

37 of 100

cheaper than 64% of countries

Diésel

$1.57 /l

GTQ11.97 · €1.36/l

88 of 166

pricier than 52% of countries

All countries Prices: Guatemala

Popular route

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Fuel cost

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Reference data, not legal advice. Rules change without notice — check with the consulate or at the border.

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